{"id":52137,"date":"2026-04-20T07:37:52","date_gmt":"2026-04-20T07:37:52","guid":{"rendered":"https:\/\/zobai.com\/?page_id=52137"},"modified":"2026-04-21T02:15:18","modified_gmt":"2026-04-21T02:15:18","slug":"zba39-dual-spring-safety-valve","status":"publish","type":"page","link":"https:\/\/zobai.com\/ru\/safety-valves\/spring-loaded-safety-valves\/zba39-dual-spring-safety-valve\/","title":{"rendered":"zba39-\u0434\u0432\u043e\u0439\u043d\u043e\u0439 \u043f\u0440\u0443\u0436\u0438\u043d\u043d\u044b\u0439 \u043f\u0440\u0435\u0434\u043e\u0445\u0440\u0430\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u043a\u043b\u0430\u043f\u0430\u043d"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"52137\" class=\"elementor elementor-52137\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-130f6488 e-con-full e-flex cmsmasters-block-default e-con e-parent\" data-id=\"130f6488\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-5114388b e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"5114388b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7f7e56c5 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-shortcode\" data-id=\"7f7e56c5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-172392ee cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"172392ee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Hexagon Head Bolts \u2013 Coarse Thread Series (DIN 931 \/ DIN 933)<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-22bc1c3e cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"22bc1c3e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>In applications involving cast iron, aluminum housings, or field-assembly environments, fine threads often fail due to cross-threading or stripping (thread shear). <strong>Sunhy<\/strong> Coarse Thread Hex Bolts are engineered to solve this assembly bottleneck. With a larger thread pitch and deeper flank engagement, these bolts provide superior resistance to fatigue cycles and stripping forces compared to fine threads. Designed for structural steel, heavy machinery, and automotive chassis, they ensure reliable preload retention even when assembled with impact wrenches or in conditions where thread damage is a risk.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-744c9a1f e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"744c9a1f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3edbca elementor-widget__width-initial elementor-icon-list--layout-traditional elementor-list-item-link-full_width cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-icon-list\" data-id=\"3edbca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Resists stripping in soft metals.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Rapid assembly, tolerates minor damage.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">High fatigue strength (Grade 10.9).<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6bfc558f elementor-widget__width-initial elementor-icon-list--layout-traditional elementor-list-item-link-full_width cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-icon-list\" data-id=\"6bfc558f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">ISO 4014\/4017 dimensional precision.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Consistent torque-tension relationship (K-factor).<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Plating options: Zinc, HDG, Geomet.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-18ad34fc elementor-align-left cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"18ad34fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#Contact\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Inquiry Now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-589a3e2d e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"589a3e2d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8cdffdf cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"8cdffdf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/Hexagon-Head-Bolt-Screw-with-Coarse-Thread.webp\" class=\"attachment-large size-large wp-image-52132\" alt=\"\" srcset=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/Hexagon-Head-Bolt-Screw-with-Coarse-Thread.webp 1024w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/Hexagon-Head-Bolt-Screw-with-Coarse-Thread-300x300.webp 300w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/Hexagon-Head-Bolt-Screw-with-Coarse-Thread-150x150.webp 150w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/Hexagon-Head-Bolt-Screw-with-Coarse-Thread-768x768.webp 768w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/Hexagon-Head-Bolt-Screw-with-Coarse-Thread-260x260.webp 260w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-42b91126 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"42b91126\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-32fb836f elementor-align-left cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"32fb836f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Download Catalogue<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35b4494c elementor-align-left cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"35b4494c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Watch Video<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-127c3bd e-con-full e-flex cmsmasters-block-default e-con e-parent\" data-id=\"127c3bd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-33047b5b cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"33047b5b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Technical Specifications<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4898564e e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"4898564e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7f3f1728 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"7f3f1728\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5b88a989 elementor-pagination-position-outside elementor--h-position-center elementor--v-position-middle elementor-arrows-position-inside cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-slides\" data-id=\"5b88a989\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;navigation&quot;:&quot;both&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;transition&quot;:&quot;slide&quot;,&quot;transition_speed&quot;:500}\" data-widget_type=\"slides.default\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-slides-wrapper elementor-main-swiper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Slides\" dir=\"rtl\" data-animation=\"fadeInUp\">\n\t\t\t\t<div class=\"swiper-wrapper elementor-slides\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-repeater-item-2ae882f swiper-slide\" role=\"group\" aria-roledescription=\"slide\"><div class=\"swiper-slide-bg\" role=\"img\" aria-label=\"Hexagon-Head-Bolt-Screw-with-Coarse-Thread.webp\"><\/div><div class=\"swiper-slide-inner\" ><div class=\"swiper-slide-contents\"><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-681cbc03 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"681cbc03\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-603aaa2d e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"603aaa2d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-102d3d63 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"102d3d63\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-14a594e8 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"14a594e8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Standards<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53bebfe2 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"53bebfe2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>DIN 931 (Partial Thread), DIN 933 (Full Thread), ISO 4014, ISO 4017, ANSI B18.2.1<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5e4f8dda e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"5e4f8dda\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-73345f52 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"73345f52\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Material Grades<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-404c5b9c cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"404c5b9c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-path-to-node=\"12,4,1,0\"><b data-path-to-node=\"12,4,1,0\" data-index-in-node=\"0\">Carbon Steel<\/b>: Class 4.8, 8.8 (Med. Carbon), 10.9 (Alloy Steel SCM435), 12.9<\/p><p data-path-to-node=\"12,4,1,2\"><b data-path-to-node=\"12,4,1,2\" data-index-in-node=\"0\">Stainless<\/b>: A2-70 (SS304), A4-80 (SS316)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2011b538 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"2011b538\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2b16e5c6 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"2b16e5c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Tolerance Class<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77b1ba32 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"77b1ba32\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Product Grade A (d\u2264M24 and l\u226410d), Product Grade B (&gt;M24)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-252da100 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"252da100\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1d49e98 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"1d49e98\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1cf6a02e cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"1cf6a02e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Thread Type<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c090641 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"1c090641\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Metric Coarse (M), UNC \/ BSW<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5c96a6cb e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"5c96a6cb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6637a3e2 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"6637a3e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Diameter Range<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-45329685 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"45329685\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>M6 \u2013 M64 (1\/4&#8243; \u2013 2-1\/2&#8243;)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4d20386e e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"4d20386e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-539a9f33 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"539a9f33\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Surface Finish<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-114e0fed cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"114e0fed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Black Oxide, Zinc Plated (Cr3+), Hot Dip Galvanized (HDG), Geomet 500A, Dacromet<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e419846 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"e419846\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4ac9f0e0 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"4ac9f0e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Certifications<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-653ea4e7 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"653ea4e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>ISO 9001:2015, EN 10204 3.1 Mill Test Certificate<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4cb8f63c e-con-full e-flex cmsmasters-block-default e-con e-parent\" data-id=\"4cb8f63c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6ea47ac2 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"6ea47ac2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3232af6e e-n-tabs-mobile cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-n-tabs\" data-id=\"3232af6e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;tabs_justify_horizontal&quot;:&quot;center&quot;,&quot;tabs_justify_horizontal_mobile&quot;:&quot;start&quot;,&quot;horizontal_scroll&quot;:&quot;disable&quot;}\" data-widget_type=\"nested-tabs.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-tabs\" data-widget-number=\"842182510\" aria-label=\"Tabs. Open items with Enter or Space, close with Escape and navigate using the Arrow keys.\">\n\t\t\t<div class=\"e-n-tabs-heading\" role=\"tablist\">\n\t\t\t\t\t<button id=\"e-n-tab-title-8421825101\" data-tab-title-id=\"e-n-tab-title-8421825101\" class=\"e-n-tab-title\" aria-selected=\"true\" data-tab-index=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"e-n-tab-content-8421825101\" style=\"--n-tabs-title-order: 1;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tFeatures &amp; Benefits\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-8421825102\" data-tab-title-id=\"e-n-tab-title-8421825102\" class=\"e-n-tab-title\" aria-selected=\"false\" data-tab-index=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-8421825102\" style=\"--n-tabs-title-order: 2;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tDimension Table\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-8421825103\" data-tab-title-id=\"e-n-tab-title-8421825103\" class=\"e-n-tab-title\" aria-selected=\"false\" data-tab-index=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-8421825103\" style=\"--n-tabs-title-order: 3;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tProduct Assembly\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t\t<\/div>\n\t\t\t<div class=\"e-n-tabs-content\">\n\t\t\t\t<div id=\"e-n-tab-content-8421825101\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-8421825101\" data-tab-index=\"1\" style=\"--n-tabs-title-order: 1;\" class=\"e-active elementor-element elementor-element-4ce1623f e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"4ce1623f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-323b0a43 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"323b0a43\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3f6f7582 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"3f6f7582\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-path-to-node=\"16\"><b data-path-to-node=\"16\" data-index-in-node=\"0\">Why Specify Coarse Thread (UNC\/Metric Coarse)?<\/b><\/p><ul data-path-to-node=\"17\"><li><p data-path-to-node=\"17,0,0\"><b data-path-to-node=\"17,0,0\" data-index-in-node=\"0\">Stripping Resistance in Soft Materials<\/b>: When bolting into lower-strength materials like Cast Iron (engine blocks) or Aluminum (casings), <b data-path-to-node=\"17,0,0\" data-index-in-node=\"137\">Coarse Thread<\/b> is mandatory. The larger thread pitch results in a greater volume of material between threads, significantly increasing the shear area. This prevents the internal threads of the expensive casting from stripping before the bolt reaches its yield point.<\/p><\/li><li><p data-path-to-node=\"17,1,0\"><b data-path-to-node=\"17,1,0\" data-index-in-node=\"0\">Mitigation of Galling (Cold Welding)<\/b>: For Stainless Steel (A2\/A4) applications, galling is a frequent failure mode during installation. Coarse threads have a larger helix angle and more clearance than fine threads, reducing the friction heat generation per rotation. This makes them less susceptible to seizing during high-speed assembly.<\/p><\/li><li><p data-path-to-node=\"17,2,0\"><b data-path-to-node=\"17,2,0\" data-index-in-node=\"0\">Fatigue &amp; Impact Durability<\/b>: While fine threads have a slightly larger stress area, coarse threads offer better fatigue distribution in imperfectly aligned joints. In structural steel connections subject to slight settlement or vibration, the robust thread profile of a Grade 10.9 coarse bolt handles cyclic loading without crack initiation at the thread root.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-8421825102\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-8421825102\" data-tab-index=\"2\" style=\"--n-tabs-title-order: 2;\" class=\" elementor-element elementor-element-427c8119 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"427c8119\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-406199ba e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"406199ba\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-66d14ae1 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"66d14ae1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-path-to-node=\"19\"><i data-path-to-node=\"19\" data-index-in-node=\"0\">Based on ISO 4017 \/ DIN 933 (Full Thread)<\/i><\/p><table data-path-to-node=\"20\"><thead><tr><td><strong>Thread Size (d)<\/strong><\/td><td><strong>Pitch (P)<\/strong><\/td><td><strong>Head Width (s)<\/strong><\/td><td><strong>Head Height (k)<\/strong><\/td><td><strong>Proof Load (8.8 Grade)<\/strong><\/td><\/tr><\/thead><tbody><tr><td><span data-path-to-node=\"20,1,0,0\"><b data-path-to-node=\"20,1,0,0\" data-index-in-node=\"0\">M6<\/b><\/span><\/td><td><span data-path-to-node=\"20,1,1,0\">1.00 mm<\/span><\/td><td><span data-path-to-node=\"20,1,2,0\">10.00 mm<\/span><\/td><td><span data-path-to-node=\"20,1,3,0\">4.00 mm<\/span><\/td><td><span data-path-to-node=\"20,1,4,0\">11,600 N<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"20,2,0,0\"><b data-path-to-node=\"20,2,0,0\" data-index-in-node=\"0\">M8<\/b><\/span><\/td><td><span data-path-to-node=\"20,2,1,0\">1.25 mm<\/span><\/td><td><span data-path-to-node=\"20,2,2,0\">13.00 mm<\/span><\/td><td><span data-path-to-node=\"20,2,3,0\">5.30 mm<\/span><\/td><td><span data-path-to-node=\"20,2,4,0\">21,200 N<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"20,3,0,0\"><b data-path-to-node=\"20,3,0,0\" data-index-in-node=\"0\">M10<\/b><\/span><\/td><td><span data-path-to-node=\"20,3,1,0\">1.50 mm<\/span><\/td><td><span data-path-to-node=\"20,3,2,0\">17.00 mm<\/span><\/td><td><span data-path-to-node=\"20,3,3,0\">6.40 mm<\/span><\/td><td><span data-path-to-node=\"20,3,4,0\">33,700 N<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"20,4,0,0\"><b data-path-to-node=\"20,4,0,0\" data-index-in-node=\"0\">M12<\/b><\/span><\/td><td><span data-path-to-node=\"20,4,1,0\">1.75 mm<\/span><\/td><td><span data-path-to-node=\"20,4,2,0\">19.00 mm<\/span><\/td><td><span data-path-to-node=\"20,4,3,0\">7.50 mm<\/span><\/td><td><span data-path-to-node=\"20,4,4,0\">48,900 N<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"20,5,0,0\"><b data-path-to-node=\"20,5,0,0\" data-index-in-node=\"0\">M16<\/b><\/span><\/td><td><span data-path-to-node=\"20,5,1,0\">2.00 mm<\/span><\/td><td><span data-path-to-node=\"20,5,2,0\">24.00 mm<\/span><\/td><td><span data-path-to-node=\"20,5,3,0\">10.00 mm<\/span><\/td><td><span data-path-to-node=\"20,5,4,0\">91,000 N<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"20,6,0,0\"><b data-path-to-node=\"20,6,0,0\" data-index-in-node=\"0\">M20<\/b><\/span><\/td><td><span data-path-to-node=\"20,6,1,0\">2.50 mm<\/span><\/td><td><span data-path-to-node=\"20,6,2,0\">30.00 mm<\/span><\/td><td><span data-path-to-node=\"20,6,3,0\">12.50 mm<\/span><\/td><td><span data-path-to-node=\"20,6,4,0\">147,000 N<\/span><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-8421825103\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-8421825103\" data-tab-index=\"3\" style=\"--n-tabs-title-order: 3;\" class=\" elementor-element elementor-element-1b145bf5 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"1b145bf5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-697d75ab e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"697d75ab\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3a23d850 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"3a23d850\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><p>Torque Control &amp; Lubrication:<\/p><p>Do not rely solely on dry torque charts. The Torque Coefficient (K-factor) varies drastically by finish. For example, a dry zinc-plated bolt has K\\approx 0.20, whereas adding Molybdenum Disulfide paste drops K to 0.12. Applying dry torque values to lubricated bolts will cause yield failure. We recommend establishing torque procedures based on ISO 16047.<\/p><\/li><li><p>Hole Clearance (ISO 273):<\/p><p>Proper clearance is critical to prevent shear stress on the shank. For an M12 coarse thread bolt, use a 13.5mm clearance hole (Medium Series). Tight tolerances (13.0mm) should only be used where alignment is precision-machined to avoid bolt bending.<\/p><\/li><li><p>Washer Selection:<\/p><p>Always use hardened washers (HV 200 min) under the turned element (nut or bolt head) to prevent embedding into the clamped part. For Grade 10.9 bolts, utilize ISO 7089 (DIN 125A) washers with 300 HV hardness to maintain preload.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5bb187f3 e-con-full e-flex cmsmasters-block-default e-con e-parent\" data-id=\"5bb187f3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-70ff8efb cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"70ff8efb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Related Products<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c4c9f14 elementor-pagination-type-bullets elementor-arrows-position-inside elementor-pagination-position-outside cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-n-carousel\" data-id=\"c4c9f14\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;carousel_items&quot;:[{&quot;slide_title&quot;:&quot;Slide #1&quot;,&quot;_id&quot;:&quot;01fe9a5&quot;},{&quot;slide_title&quot;:&quot;Slide #1&quot;,&quot;_id&quot;:&quot;945d82b&quot;},{&quot;slide_title&quot;:&quot;Slide #1&quot;,&quot;_id&quot;:&quot;8ec93bd&quot;},{&quot;slide_title&quot;:&quot;Slide #1&quot;,&quot;_id&quot;:&quot;ee987c2&quot;}],&quot;slides_to_show&quot;:&quot;4&quot;,&quot;slides_to_show_tablet&quot;:&quot;2&quot;,&quot;slides_to_show_mobile&quot;:&quot;1&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500,&quot;offset_sides&quot;:&quot;none&quot;,&quot;arrows&quot;:&quot;yes&quot;,&quot;pagination&quot;:&quot;bullets&quot;,&quot;image_spacing_custom&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;image_spacing_custom_widescreen&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;image_spacing_custom_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;image_spacing_custom_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-carousel.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-carousel swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Carousel\" dir=\"rtl\">\n\t\t\t<div class=\"swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"1\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 of 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-688590f e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"688590f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-9169f1e e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"9169f1e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d97e1e6 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"d97e1e6\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-dd6f4d1 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"dd6f4d1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-90a4571 cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"90a4571\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"850\" height=\"850\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service.webp\" class=\"attachment-large size-large wp-image-51693\" alt=\"A46Y pilot-operated relief valve with external pilot tubing and flanged body\" srcset=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service.webp 850w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-300x300.webp 300w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-150x150.webp 150w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-768x768.webp 768w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-260x260.webp 260w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e38c456 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"e38c456\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ed4acab e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"ed4acab\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ad7fb4 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"6ad7fb4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ZBA46 Series Pilot Operated Safety Valves<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a0b56b6 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"a0b56b6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7b486a2 cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"7b486a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;cms_transform_hover_type&quot;:&quot;element&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/zobai.com\/ru\/safety-valves\/spring-loaded-safety-valves\/zba39-dual-spring-safety-valve\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrows-1\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c63ef45 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"c63ef45\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Pilot operated safety valves for higher-pressure service requiring tighter sealing and stable set pressure performance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"2\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 of 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2649685 e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"2649685\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-5539eba e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"5539eba\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-29dfebd e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"29dfebd\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-8e47987 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"8e47987\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-48a43ec cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"48a43ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"850\" height=\"850\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/wa42y-bellows-balanced-full-lift-safety-valve-back-pressure.webp\" class=\"attachment-large size-large wp-image-51697\" alt=\"WA42Y bellows-balanced full-lift safety valve with flanged connections\" srcset=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/wa42y-bellows-balanced-full-lift-safety-valve-back-pressure.webp 850w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/wa42y-bellows-balanced-full-lift-safety-valve-back-pressure-300x300.webp 300w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/wa42y-bellows-balanced-full-lift-safety-valve-back-pressure-150x150.webp 150w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/wa42y-bellows-balanced-full-lift-safety-valve-back-pressure-768x768.webp 768w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/wa42y-bellows-balanced-full-lift-safety-valve-back-pressure-260x260.webp 260w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-defbee5 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"defbee5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-db4dfef e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"db4dfef\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9c03db4 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"9c03db4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ZBWA42 Series Bellows Balanced Safety Valves<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b30688f e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"b30688f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1fa9086 cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"1fa9086\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;cms_transform_hover_type&quot;:&quot;element&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/zobai.com\/ru\/safety-valves\/spring-loaded-safety-valves\/zba39-dual-spring-safety-valve\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrows-1\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-550c97b cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"550c97b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Bellows balanced safety valves for back pressure applications where stable performance is important.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"3\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 of 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c37fad2 e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"c37fad2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1ee6a3a e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"1ee6a3a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-fa20ec4 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"fa20ec4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-780f74b e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"780f74b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-04cba0d cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"04cba0d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"850\" height=\"850\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service.webp\" class=\"attachment-large size-large wp-image-51693\" alt=\"A46Y pilot-operated relief valve with external pilot tubing and flanged body\" srcset=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service.webp 850w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-300x300.webp 300w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-150x150.webp 150w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-768x768.webp 768w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-260x260.webp 260w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0155fef e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"0155fef\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-2b4fa96 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"2b4fa96\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fad0654 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"fad0654\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ZBA68 Series High Temperature Steam Safety Valves<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-26b96c4 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"26b96c4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5b4d30f cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"5b4d30f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;cms_transform_hover_type&quot;:&quot;element&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/zobai.com\/ru\/safety-valves\/spring-loaded-safety-valves\/zba39-dual-spring-safety-valve\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrows-1\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ad154b cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"8ad154b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>High temperature steam safety valves for boilers, steam lines, and other elevated-temperature systems.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"4\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4 of 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-08386bb e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"08386bb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-8a388a0 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"8a388a0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-387d6b7 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"387d6b7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-344293d e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"344293d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-959c81b cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"959c81b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"850\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/svl488-stainless-steel-safety-valve-cleaning-system.webp\" class=\"attachment-large size-large wp-image-51695\" alt=\"SVL488 stainless steel safety valve for cleaning systems with sanitary clamp connection and lifting lever\" srcset=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/svl488-stainless-steel-safety-valve-cleaning-system.webp 850w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/svl488-stainless-steel-safety-valve-cleaning-system-300x300.webp 300w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/svl488-stainless-steel-safety-valve-cleaning-system-150x150.webp 150w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/svl488-stainless-steel-safety-valve-cleaning-system-768x768.webp 768w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/svl488-stainless-steel-safety-valve-cleaning-system-260x260.webp 260w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-70e017d e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"70e017d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-c7a459e e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"c7a459e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4fb9ea5 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"4fb9ea5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">SVL488 Series Sanitary Safety Valves<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-30ed9e0 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"30ed9e0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d016bbc cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"d016bbc\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;cms_transform_hover_type&quot;:&quot;element&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/zobai.com\/ru\/safety-valves\/spring-loaded-safety-valves\/zba39-dual-spring-safety-valve\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrows-1\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7dc45fc cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"7dc45fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Sanitary safety valves for hygienic process lines and cleaning systems requiring cleanable pressure protection.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\" aria-label=\"\u0627\u0644\u0633\u0627\u0628\u0642\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-left\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M646 125C629 125 613 133 604 142L308 442C296 454 292 471 292 487 292 504 296 521 308 533L604 854C617 867 629 875 646 875 663 875 679 871 692 858 704 846 713 829 713 812 713 796 708 779 692 767L438 487 692 225C700 217 708 204 708 187 708 171 704 154 692 142 675 129 663 125 646 125Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\" aria-label=\"\u0627\u0644\u062a\u0627\u0644\u064a\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-right\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M696 533C708 521 713 504 713 487 713 471 708 454 696 446L400 146C388 133 375 125 354 125 338 125 325 129 313 142 300 154 292 171 292 187 292 204 296 221 308 233L563 492 304 771C292 783 288 800 288 817 288 833 296 850 308 863 321 871 338 875 354 875 371 875 388 867 400 854L696 533Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<section class=\"elementor-element elementor-element-9f291a9 e-con-full e-flex cmsmasters-block-default e-con e-parent\" data-id=\"9f291a9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-03ef609 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"03ef609\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-433166b e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"433166b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2a9a6e2 elementor-position-inline-end elementor-mobile-position-inline-end elementor-view-default cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-icon-box\" data-id=\"2a9a6e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;cmsmasters-fade-in-left&quot;}\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrows-2\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tFAQ\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-abfd5dd elementor-widget__width-inherit cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"abfd5dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;cmsmasters-fade-in-up&quot;,&quot;_animation_delay&quot;:150}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Safety Valve FAQs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div data-animation-type=\"block\" class=\"animation_type_block elementor-element elementor-element-0df902f cmsmasters-trigger-icon-view-framed cmsmasters-title-alignment-left cmsmasters-item-icon-position-left animation_type_block cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-cmsmasters-toggles cmsmasters-widget-toggles\" data-animation-stagger=\"200\" data-separate-animation-selector=\".elementor-widget-cmsmasters-toggles__item\" data-text-animation-class=\"sequental, random\" data-id=\"0df902f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;toggles&quot;:[{&quot;toggle_title&quot;:&quot;How do I choose the right safety valve for my application?&quot;,&quot;toggle_content&quot;:&quot;&lt;p&gt;The right safety valve depends on your service medium, set pressure, temperature, back pressure, connection type, and applicable standard. For most projects, selection starts with the process conditions first, then moves to valve type, materials, and documentation review.&lt;\\\/p&gt;&quot;,&quot;_id&quot;:&quot;c9de870&quot;,&quot;content_type&quot;:&quot;toggle-content&quot;,&quot;saved_section&quot;:null,&quot;saved_template&quot;:null,&quot;item_icon&quot;:{&quot;value&quot;:&quot;&quot;,&quot;library&quot;:&quot;&quot;},&quot;toggle_custom_id&quot;:&quot;&quot;},{&quot;toggle_title&quot;:&quot;What is the difference between GB and ASME safety valve series?&quot;,&quot;toggle_content&quot;:&quot;&lt;p&gt;GB and ASME safety valve series differ in standard framework, dimensional references, code systems, and project compliance requirements. The right choice depends on the market, project specification, and the standard your system must follow.&lt;\\\/p&gt;&quot;,&quot;_id&quot;:&quot;c49b52d&quot;,&quot;content_type&quot;:&quot;toggle-content&quot;,&quot;saved_section&quot;:null,&quot;saved_template&quot;:null,&quot;item_icon&quot;:{&quot;value&quot;:&quot;&quot;,&quot;library&quot;:&quot;&quot;},&quot;toggle_custom_id&quot;:&quot;&quot;},{&quot;toggle_title&quot;:&quot;What operating range can your safety valves cover?&quot;,&quot;toggle_content&quot;:&quot;&lt;p&gt;Zobai safety valves cover sizes from &lt;strong data-start=\\&quot;1608\\&quot; data-end=\\&quot;1625\\&quot;&gt;DN10 to DN600&lt;\\\/strong&gt;, pressure ratings from &lt;strong data-start=\\&quot;1649\\&quot; data-end=\\&quot;1666\\&quot;&gt;0.6 to 42 MPa&lt;\\\/strong&gt;, and service temperatures from &lt;strong data-start=\\&quot;1698\\&quot; data-end=\\&quot;1717\\&quot;&gt;-196\\u00b0C to 570\\u00b0C&lt;\\\/strong&gt;, depending on the model and application. Specific selection should always be confirmed against the working conditions and product data.&lt;\\\/p&gt;&quot;,&quot;_id&quot;:&quot;223f22f&quot;,&quot;content_type&quot;:&quot;toggle-content&quot;,&quot;saved_section&quot;:null,&quot;saved_template&quot;:null,&quot;item_icon&quot;:{&quot;value&quot;:&quot;&quot;,&quot;library&quot;:&quot;&quot;},&quot;toggle_custom_id&quot;:&quot;&quot;},{&quot;toggle_title&quot;:&quot;Which industries and systems are your safety valves used in?&quot;,&quot;toggle_content&quot;:&quot;&lt;p&gt;Zobai safety valves are used in oil and gas, petrochemical, chemical, technical gas, LNG\\\/LPG, pharmaceutical, food and beverage, HVAC, shipbuilding, and other industrial process systems. Application suitability depends on the operating medium, temperature, pressure, and hygiene or compliance requirements.&lt;\\\/p&gt;&quot;,&quot;_id&quot;:&quot;44dd9d4&quot;,&quot;content_type&quot;:&quot;toggle-content&quot;,&quot;saved_section&quot;:null,&quot;saved_template&quot;:null,&quot;item_icon&quot;:{&quot;value&quot;:&quot;&quot;,&quot;library&quot;:&quot;&quot;},&quot;toggle_custom_id&quot;:&quot;&quot;},{&quot;toggle_title&quot;:&quot;What technical documents should I review before requesting a quotation?&quot;,&quot;toggle_content&quot;:&quot;&lt;p&gt;Before RFQ, buyers usually review the datasheet, applicable standard, model or code reference, materials, dimensions, and key selection data such as set pressure and operating conditions. Having these documents ready helps speed up technical review and quotation accuracy.&lt;\\\/p&gt;&quot;,&quot;_id&quot;:&quot;7e1a6a3&quot;,&quot;content_type&quot;:&quot;toggle-content&quot;,&quot;saved_section&quot;:null,&quot;saved_template&quot;:null,&quot;item_icon&quot;:{&quot;value&quot;:&quot;&quot;,&quot;library&quot;:&quot;&quot;},&quot;toggle_custom_id&quot;:&quot;&quot;}],&quot;_animation&quot;:&quot;cmsmasters-fade-in-up&quot;,&quot;type&quot;:&quot;toggles&quot;}\" data-widget_type=\"cmsmasters-toggles.default\">\n\t\t\t\t\t<div class=\"elementor-widget-cmsmasters-toggles__list\"><div class=\"elementor-widget-cmsmasters-toggles__item\"><h4 id=\"elementor-tab-title-1461\" class=\"elementor-widget-cmsmasters-toggles__title\" data-tab=\"1\" aria-expanded=\"false\" aria-controls=\"elementor-widget-cmsmasters-toggles__content-1461\" tabindex=\"0\"><a class=\"elementor-widget-cmsmasters-toggles__title-link cmsmasters_enable_trigger_icon\" href=\"#\" tabindex=\"-1\"><span class=\"elementor-widget-cmsmasters-toggles__title-text\">How do I choose the right safety valve for my application?<\/span><\/a><span class=\"elementor-widget-cmsmasters-toggles__trigger\"><span class=\"elementor-widget-cmsmasters-toggles__trigger-closed\"><i aria-hidden=\"true\" aria-label=\"Closed\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrow-down\"><\/i><\/span><span class=\"elementor-widget-cmsmasters-toggles__trigger-opened\"><svg aria-hidden=\"true\" aria-label=\"Opened\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/span><\/span><\/h4><div id=\"elementor-widget-cmsmasters-toggles__content-1461\" class=\"elementor-widget-cmsmasters-toggles__content elementor-clearfix\" data-tab=\"1\"><p>The right safety valve depends on your service medium, set pressure, temperature, back pressure, connection type, and applicable standard. For most projects, selection starts with the process conditions first, then moves to valve type, materials, and documentation review.<\/p><\/div><\/div><div class=\"elementor-widget-cmsmasters-toggles__item\"><h4 id=\"elementor-tab-title-1462\" class=\"elementor-widget-cmsmasters-toggles__title\" data-tab=\"2\" aria-expanded=\"false\" aria-controls=\"elementor-widget-cmsmasters-toggles__content-1462\" tabindex=\"0\"><a class=\"elementor-widget-cmsmasters-toggles__title-link cmsmasters_enable_trigger_icon\" href=\"#\" tabindex=\"-1\"><span class=\"elementor-widget-cmsmasters-toggles__title-text\">What is the difference between GB and ASME safety valve series?<\/span><\/a><span class=\"elementor-widget-cmsmasters-toggles__trigger\"><span class=\"elementor-widget-cmsmasters-toggles__trigger-closed\"><i aria-hidden=\"true\" aria-label=\"Closed\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrow-down\"><\/i><\/span><span class=\"elementor-widget-cmsmasters-toggles__trigger-opened\"><svg aria-hidden=\"true\" aria-label=\"Opened\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/span><\/span><\/h4><div id=\"elementor-widget-cmsmasters-toggles__content-1462\" class=\"elementor-widget-cmsmasters-toggles__content elementor-clearfix\" data-tab=\"2\"><p>GB and ASME safety valve series differ in standard framework, dimensional references, code systems, and project compliance requirements. The right choice depends on the market, project specification, and the standard your system must follow.<\/p><\/div><\/div><div class=\"elementor-widget-cmsmasters-toggles__item\"><h4 id=\"elementor-tab-title-1463\" class=\"elementor-widget-cmsmasters-toggles__title\" data-tab=\"3\" aria-expanded=\"false\" aria-controls=\"elementor-widget-cmsmasters-toggles__content-1463\" tabindex=\"0\"><a class=\"elementor-widget-cmsmasters-toggles__title-link cmsmasters_enable_trigger_icon\" href=\"#\" tabindex=\"-1\"><span class=\"elementor-widget-cmsmasters-toggles__title-text\">What operating range can your safety valves cover?<\/span><\/a><span class=\"elementor-widget-cmsmasters-toggles__trigger\"><span class=\"elementor-widget-cmsmasters-toggles__trigger-closed\"><i aria-hidden=\"true\" aria-label=\"Closed\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrow-down\"><\/i><\/span><span class=\"elementor-widget-cmsmasters-toggles__trigger-opened\"><svg aria-hidden=\"true\" aria-label=\"Opened\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/span><\/span><\/h4><div id=\"elementor-widget-cmsmasters-toggles__content-1463\" class=\"elementor-widget-cmsmasters-toggles__content elementor-clearfix\" data-tab=\"3\"><p>Zobai safety valves cover sizes from <strong data-start=\"1608\" data-end=\"1625\">DN10 to DN600<\/strong>, pressure ratings from <strong data-start=\"1649\" data-end=\"1666\">0.6 to 42 MPa<\/strong>, and service temperatures from <strong data-start=\"1698\" data-end=\"1717\">-196\u00b0C to 570\u00b0C<\/strong>, depending on the model and application. Specific selection should always be confirmed against the working conditions and product data.<\/p><\/div><\/div><div class=\"elementor-widget-cmsmasters-toggles__item\"><h4 id=\"elementor-tab-title-1464\" class=\"elementor-widget-cmsmasters-toggles__title\" data-tab=\"4\" aria-expanded=\"false\" aria-controls=\"elementor-widget-cmsmasters-toggles__content-1464\" tabindex=\"0\"><a class=\"elementor-widget-cmsmasters-toggles__title-link cmsmasters_enable_trigger_icon\" href=\"#\" tabindex=\"-1\"><span class=\"elementor-widget-cmsmasters-toggles__title-text\">Which industries and systems are your safety valves used in?<\/span><\/a><span class=\"elementor-widget-cmsmasters-toggles__trigger\"><span class=\"elementor-widget-cmsmasters-toggles__trigger-closed\"><i aria-hidden=\"true\" aria-label=\"Closed\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrow-down\"><\/i><\/span><span class=\"elementor-widget-cmsmasters-toggles__trigger-opened\"><svg aria-hidden=\"true\" aria-label=\"Opened\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/span><\/span><\/h4><div id=\"elementor-widget-cmsmasters-toggles__content-1464\" class=\"elementor-widget-cmsmasters-toggles__content elementor-clearfix\" data-tab=\"4\"><p>Zobai safety valves are used in oil and gas, petrochemical, chemical, technical gas, LNG\/LPG, pharmaceutical, food and beverage, HVAC, shipbuilding, and other industrial process systems. Application suitability depends on the operating medium, temperature, pressure, and hygiene or compliance requirements.<\/p><\/div><\/div><div class=\"elementor-widget-cmsmasters-toggles__item\"><h4 id=\"elementor-tab-title-1465\" class=\"elementor-widget-cmsmasters-toggles__title\" data-tab=\"5\" aria-expanded=\"false\" aria-controls=\"elementor-widget-cmsmasters-toggles__content-1465\" tabindex=\"0\"><a class=\"elementor-widget-cmsmasters-toggles__title-link cmsmasters_enable_trigger_icon\" href=\"#\" tabindex=\"-1\"><span class=\"elementor-widget-cmsmasters-toggles__title-text\">What technical documents should I review before requesting a quotation?<\/span><\/a><span class=\"elementor-widget-cmsmasters-toggles__trigger\"><span class=\"elementor-widget-cmsmasters-toggles__trigger-closed\"><i aria-hidden=\"true\" aria-label=\"Closed\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrow-down\"><\/i><\/span><span class=\"elementor-widget-cmsmasters-toggles__trigger-opened\"><svg aria-hidden=\"true\" aria-label=\"Opened\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/span><\/span><\/h4><div id=\"elementor-widget-cmsmasters-toggles__content-1465\" class=\"elementor-widget-cmsmasters-toggles__content elementor-clearfix\" data-tab=\"5\"><p>Before RFQ, buyers usually review the datasheet, applicable standard, model or code reference, materials, dimensions, and key selection data such as set pressure and operating conditions. Having these documents ready helps speed up technical review and quotation accuracy.<\/p><\/div><\/div> <script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How do I choose the right safety valve for my application?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>The right safety valve depends on your service medium, set pressure, temperature, back pressure, connection type, and applicable standard. For most projects, selection starts with the process conditions first, then moves to valve type, materials, and documentation review.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between GB and ASME safety valve series?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>GB and ASME safety valve series differ in standard framework, dimensional references, code systems, and project compliance requirements. The right choice depends on the market, project specification, and the standard your system must follow.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"What operating range can your safety valves cover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Zobai safety valves cover sizes from <strong data-start=\\\"1608\\\" data-end=\\\"1625\\\">DN10 to DN600<\\\/strong>, pressure ratings from <strong data-start=\\\"1649\\\" data-end=\\\"1666\\\">0.6 to 42 MPa<\\\/strong>, and service temperatures from <strong data-start=\\\"1698\\\" data-end=\\\"1717\\\">-196\\u00b0C to 570\\u00b0C<\\\/strong>, depending on the model and application. Specific selection should always be confirmed against the working conditions and product data.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Which industries and systems are your safety valves used in?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Zobai safety valves are used in oil and gas, petrochemical, chemical, technical gas, LNG\\\/LPG, pharmaceutical, food and beverage, HVAC, shipbuilding, and other industrial process systems. Application suitability depends on the operating medium, temperature, pressure, and hygiene or compliance requirements.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"What technical documents should I review before requesting a quotation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Before RFQ, buyers usually review the datasheet, applicable standard, model or code reference, materials, dimensions, and key selection data such as set pressure and operating conditions. Having these documents ready helps speed up technical review and quotation accuracy.<\\\/p>\"}}]}<\/script> <\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f131682 e-con-full cmsmasters-clip-path-yes e-flex cmsmasters-bg-hide-none cmsmasters-bg-hide-none cmsmasters-block-default elementor-invisible e-con e-child\" data-id=\"f131682\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;animation&quot;:&quot;cmsmasters-fade-in&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Hexagon Head Bolts \u2013 Coarse Thread Series (DIN 931 \/ DIN 933) In applications involving cast iron, aluminum housings, or field-assembly environments, fine threads often fail due to cross-threading or stripping (thread shear). Sunhy Coarse Thread Hex Bolts are engineered to solve this assembly bottleneck. With a larger thread pitch and deeper flank engagement, these&#8230;<\/p>","protected":false},"author":2,"featured_media":0,"parent":52038,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-52137","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/52137","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/comments?post=52137"}],"version-history":[{"count":20,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/52137\/revisions"}],"predecessor-version":[{"id":52239,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/52137\/revisions\/52239"}],"up":[{"embeddable":true,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/52038"}],"wp:attachment":[{"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/media?parent=52137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}