{"id":56807,"date":"2026-09-11T08:27:34","date_gmt":"2026-09-11T08:27:34","guid":{"rendered":"https:\/\/zobai.com\/?p=56807"},"modified":"2026-09-11T10:14:16","modified_gmt":"2026-09-11T10:14:16","slug":"when-a-bellows-balanced-valve-is-not-the-right-solution","status":"publish","type":"post","link":"https:\/\/zobai.com\/ar\/blog\/when-a-bellows-balanced-valve-is-not-the-right-solution\/","title":{"rendered":"\u0639\u0646\u062f\u0645\u0627 \u0644\u0627 \u064a\u0643\u0648\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0645\u0646\u0641\u0627\u062e \u0647\u0648 \u0627\u0644\u062d\u0644 \u0627\u0644\u0645\u0646\u0627\u0633\u0628"},"content":{"rendered":"<style> .zobai-bellows-article { max-width: 100%; } .zobai-bellows-article .zobai-table-scroll { max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 1.25rem 0; } .zobai-bellows-article table { width: 100%; min-width: 680px; border-collapse: collapse; } .zobai-bellows-article th, .zobai-bellows-article td { padding: .75rem; vertical-align: top; text-align: left; border: 1px solid currentColor; } .zobai-bellows-article blockquote { margin: 1.25rem 0; padding-left: 1rem; border-left: 3px solid currentColor; } .zobai-bellows-article .zobai-cta { margin-top: 1.5rem; } @media (max-width: 390px) { .zobai-bellows-article table { min-width: 640px; } } <\/style>\n<article class=\"zobai-bellows-article\" lang=\"en\">\n<p>\u064a\u0645\u0643\u0646 \u0644\u0635\u0645\u0627\u0645 \u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0645\u0646\u0641\u0627\u062e \u0623\u0646 \u064a\u062d\u0644 \u0645\u0634\u0643\u0644\u0629 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a\u060c \u0644\u0643\u0646 <strong>\u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a \u0628\u062d\u062f \u0630\u0627\u062a\u0647 \u0644\u0627 \u064a\u0643\u0641\u064a \u0644\u062a\u0628\u0631\u064a\u0631 \u0647\u0630\u0627 \u0627\u0644\u062a\u0635\u0645\u064a\u0645<\/strong>.<\/p>\n<p>\u0627\u0644\u0633\u0624\u0627\u0644 \u0627\u0644\u0645\u0641\u064a\u062f \u0623\u0636\u064a\u0642 \u0646\u0637\u0627\u0642\u064b\u0627: \u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u062c\u0639\u0644 \u0627\u0644\u0645\u0647\u0646\u062f\u0633 \u064a\u0642\u0631\u0631 \u0623\u0646 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u063a\u064a\u0631 \u0636\u0631\u0648\u0631\u064a\u060c \u0623\u0648 \u063a\u064a\u0631 \u0642\u0627\u0628\u0644 \u0644\u0644\u062a\u062d\u0642\u0642 \u0628\u0639\u062f\u060c \u0623\u0648 \u063a\u064a\u0631 \u0645\u0646\u0627\u0633\u0628 \u0644\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0641\u0639\u0644\u064a\u0629\u061f<\/p>\n<p>\u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0647 \u0627\u0644\u0646\u062a\u0627\u0626\u062c \u0627\u0644\u062b\u0644\u0627\u062b \u0647\u0646\u0627 \u0643\u0625\u0637\u0627\u0631 \u0641\u062d\u0635 \u0647\u0646\u062f\u0633\u064a. \u0648\u0647\u064a \u0644\u064a\u0633\u062a \u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0635\u0627\u062f\u0631\u0629 \u0639\u0646 API \u0623\u0648 ASME \u0623\u0648 ISO \u0623\u0648 \u0623\u064a \u062c\u0647\u0629 \u062a\u0646\u0638\u064a\u0645\u064a\u0629.<\/p>\n<section>\n<h2>\u0623\u0648\u0644\u064b\u0627: \u0627\u0641\u0635\u0644 \u0628\u064a\u0646 \u201c\u063a\u064a\u0631 \u0636\u0631\u0648\u0631\u064a\u201d \u0648\u201c\u063a\u064a\u0631 \u0645\u0646\u0627\u0633\u0628\u201d<\/h2>\n<p>\u0644\u0627 \u064a\u0646\u0628\u063a\u064a \u0631\u0641\u0636 \u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0644\u0645\u062c\u0631\u062f \u063a\u064a\u0627\u0628 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a. \u0643\u0645\u0627 \u0644\u0627 \u064a\u0646\u0628\u063a\u064a \u0642\u0628\u0648\u0644\u0647 \u0644\u0645\u062c\u0631\u062f \u0648\u062c\u0648\u062f \u0636\u063a\u0637 \u062e\u0644\u0641\u064a.<\/p>\n<div class=\"zobai-table-scroll\" role=\"region\" aria-label=\"\u062d\u0627\u0644\u0627\u062a \u0641\u0631\u0632 \u0645\u0631\u0634\u062d\u064a \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0645\u0646\u0641\u0627\u062e\" tabindex=\"0\">\n<table>\n<thead>\n<tr>\n<th scope=\"col\">\u062d\u0627\u0644\u0629 \u0627\u0644\u0641\u062d\u0635<\/th>\n<th scope=\"col\">\u0645\u0627\u0630\u0627 \u064a\u0639\u0646\u064a<\/th>\n<th scope=\"col\">\u0645\u0627 \u0627\u0644\u062e\u0637\u0648\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u063a\u064a\u0631 \u0636\u0631\u0648\u0631\u064a<\/strong><\/td>\n<td>\u0644\u0627 \u064a\u0648\u062c\u062f \u0634\u0631\u0637 \u0645\u0624\u0643\u062f \u064a\u0633\u062a\u062f\u0639\u064a \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062a\u0648\u0627\u0632\u0646 \u0628\u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0625\u0636\u0627\u0641\u064a.<\/td>\n<td>\u0623\u0628\u0642\u0650 \u062a\u0643\u0648\u064a\u0646\u064b\u0627 \u0645\u0624\u0647\u0644\u064b\u0627 \u0623\u0628\u0633\u0637 \u0636\u0645\u0646 \u0627\u0644\u062e\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u0631\u0634\u062d\u0629.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0625\u064a\u0642\u0627\u0641 \u0645\u0624\u0642\u062a \/ \u0627\u0644\u062a\u062d\u0642\u0642<\/strong><\/td>\n<td>\u0644\u0627 \u064a\u0632\u0627\u0644 \u0647\u0646\u0627\u0643 \u0645\u062a\u063a\u064a\u0631 \u063a\u064a\u0631 \u0645\u0639\u0631\u0648\u0641 \u0642\u062f \u064a\u063a\u064a\u0651\u0631 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0623\u0648 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0635\u0645\u0627\u0645.<\/td>\n<td>\u0627\u062d\u0635\u0644 \u0639\u0644\u0649 \u0627\u0644\u0623\u062f\u0644\u0629 \u0627\u0644\u0645\u0641\u0642\u0648\u062f\u0629 \u0645\u0646 \u0627\u0644\u0646\u0638\u0627\u0645 \u0623\u0648 \u0627\u0644\u0645\u0648\u0631\u062f \u0642\u0628\u0644 \u0642\u0628\u0648\u0644 \u0623\u0648 \u0631\u0641\u0636 \u0627\u0644\u0645\u0631\u0634\u062d.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062a\u0639\u0627\u0631\u0636 \u0645\u0639\u0631\u0648\u0641<\/strong><\/td>\n<td>\u064a\u0648\u062c\u062f \u062a\u0639\u0627\u0631\u0636 \u0645\u0624\u0643\u062f \u0628\u064a\u0646 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062e\u062f\u0645\u0629 \u0623\u0648 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0648\u0627\u0644\u0642\u062f\u0631\u0629 \u0627\u0644\u0645\u0648\u062b\u0642\u0629 \u0644\u0644\u062a\u0643\u0648\u064a\u0646 \u0627\u0644\u0645\u0642\u062a\u0631\u062d.<\/td>\n<td>\u0642\u064a\u0651\u0645 \u062a\u0643\u0648\u064a\u0646\u064b\u0627 \u0645\u0624\u0647\u0644\u064b\u0627 \u0628\u062f\u064a\u0644\u064b\u0627.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u062d\u0627\u0644\u0629 \u0636\u063a\u0637 \u062e\u0644\u0641\u064a \u063a\u064a\u0631 \u0645\u0639\u0631\u0648\u0641\u0629\u060c \u0623\u0648 \u0645\u0627\u062f\u0629 \u0645\u0646\u0641\u0627\u062e \u063a\u064a\u0631 \u0645\u0624\u0643\u062f\u0629\u060c \u0623\u0648 \u062f\u0644\u064a\u0644 \u0623\u062f\u0627\u0621 \u0645\u0641\u0642\u0648\u062f \u062a\u064f\u0635\u0646\u064e\u0651\u0641 \u0636\u0645\u0646 \u0641\u0626\u0629 <strong>\u0627\u0644\u0627\u062d\u062a\u062c\u0627\u0632<\/strong> \u0644\u0627 \u064a\u062b\u0628\u062a \u0623\u064a \u0645\u0646 \u0647\u0630\u0647 \u0627\u0644\u062d\u0642\u0627\u0626\u0642 \u0628\u0645\u0641\u0631\u062f\u0647 \u0623\u0646 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u063a\u064a\u0631 \u0645\u0646\u0627\u0633\u0628.<\/p>\n<p>\u064a\u062a\u0637\u0644\u0628 \u0627\u0644\u062a\u0639\u0627\u0631\u0636 \u0627\u0644\u0645\u0639\u0631\u0648\u0641 \u0648\u062c\u0648\u062f \u062a\u0636\u0627\u0631\u0628 \u0641\u0639\u0644\u064a \u0628\u064a\u0646 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062e\u062f\u0645\u0629 \u0623\u0648 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0648\u0646\u0637\u0627\u0642 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0648\u062b\u0642. \u0648\u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0647\u0630\u0627 \u0627\u0644\u062a\u0645\u064a\u064a\u0632 \u0648\u0627\u0636\u062d\u064b\u0627 \u064a\u0645\u0646\u0639 \u0643\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0631\u0641\u0636 \u0627\u0644\u0645\u0628\u0643\u0631 \u0648\u0627\u0644\u0645\u0648\u0627\u0641\u0642\u0629 \u0627\u0644\u0645\u0628\u0643\u0631\u0629.<\/p>\n<\/section>\n<section>\n<h2>\u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a \u0648\u062d\u062f\u0647 \u0644\u0627 \u064a\u0628\u0631\u0631 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0635\u0645\u0627\u0645 \u0628\u0645\u0646\u0641\u0627\u062e \u0645\u062a\u0648\u0627\u0632\u0646<\/h2>\n<p>\u0633\u0624\u0627\u0644 \u0627\u0644\u0641\u0631\u0632 \u0627\u0644\u0623\u0648\u0644 \u0644\u064a\u0633 \u0628\u0628\u0633\u0627\u0637\u0629 <strong>\u201c\u0647\u0644 \u064a\u0648\u062c\u062f \u0636\u063a\u0637 \u062e\u0644\u0641\u064a\u061f\u201d<\/strong> \u0628\u0644 \u0647\u0648 <strong>\u201c\u0645\u0627 \u062d\u0627\u0644\u0629 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a \u0627\u0644\u062a\u064a \u0633\u064a\u062a\u0639\u0631\u0636 \u0644\u0647\u0627 \u0647\u0630\u0627 \u0627\u0644\u0635\u0645\u0627\u0645 \u0641\u0639\u0644\u064a\u064b\u0627\u061f\u201d<\/strong><\/p>\n<p>\u064a\u0648\u062c\u062f \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a \u0627\u0644\u0645\u062a\u0631\u0627\u0643\u0628 \u0639\u0646\u062f \u0627\u0644\u0645\u062e\u0631\u062c \u0639\u0646\u062f\u0645\u0627 \u064a\u064f\u0637\u0644\u0628 \u0645\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0639\u0645\u0644. \u0648\u064a\u062a\u0643\u0648\u0651\u0646 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a \u0627\u0644\u0645\u062a\u0648\u0644\u0651\u062f \u0623\u062b\u0646\u0627\u0621 \u0645\u0631\u0648\u0631 \u062a\u062f\u0641\u0642 \u0627\u0644\u062a\u0646\u0641\u064a\u0633 \u0639\u0628\u0631 \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u0635\u0631\u064a\u0641. \u0648\u0642\u062f \u064a\u0643\u0648\u0646 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u062a\u0631\u0627\u0643\u0628 \u062b\u0627\u0628\u062a\u064b\u0627 \u0623\u0648 \u0645\u062a\u063a\u064a\u0631\u064b\u0627. \u0648\u0644\u0627 \u064a\u0646\u0628\u063a\u064a \u062f\u0645\u062c \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0641\u064a \u0642\u064a\u0645\u0629 \u0636\u063a\u0637 \u062e\u0644\u0641\u064a \u0648\u0627\u062d\u062f\u0629 \u063a\u064a\u0631 \u0645\u062d\u062f\u062f\u0629\u061b \u0627\u0646\u0638\u0631 <a href=\"https:\/\/www.emerson.com\/is\/content\/emerson\/en\/final-control\/pressure-management\/documents\/data-sheets-safety-relief-valves-technical-data-birkett-en.pdf\" target=\"_blank\" rel=\"noopener\">\u0628\u064a\u0627\u0646\u0627\u062a Emerson \u0627\u0644\u0641\u0646\u064a\u0629 \u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0623\u0645\u0627\u0646 \u0648\u0627\u0644\u062a\u0646\u0641\u064a\u0633<\/a>.<\/p>\n<p>\u0647\u0630\u0627 \u0627\u0644\u062a\u0645\u064a\u064a\u0632 \u0645\u0647\u0645 \u0644\u0623\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a \u0627\u0644\u0645\u062d\u0645\u0651\u0644 \u0628\u0646\u0627\u0628\u0636 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0638\u0644 \u0645\u0631\u0634\u062d\u064b\u0627 \u0641\u064a \u0628\u0639\u0636 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a \u0627\u0644\u0645\u062a\u0631\u0627\u0643\u0628 \u0627\u0644\u062b\u0627\u0628\u062a \u0627\u0644\u0645\u062a\u0648\u0642\u0639 \u0639\u0646\u062f\u0645\u0627 \u064a\u064f\u0624\u062e\u0630 \u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0641\u064a \u0627\u0644\u062d\u0633\u0628\u0627\u0646 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d. \u0623\u0645\u0627 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0641\u064a \u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0645\u0635\u0628 \u0641\u064a\u0646\u0634\u0626 \u0645\u0634\u0643\u0644\u0629 \u0645\u062e\u062a\u0644\u0641\u0629 \u0641\u064a \u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u0642\u0648\u0649.<\/p>\n<p>\u064a\u0642\u0644\u0644 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0645\u0646\u0641\u0627\u062e \u0645\u0646 \u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a \u0639\u0644\u0649 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\u0627\u0644\u0645\u0646\u0634\u0648\u0631\u0629 \u062a\u062e\u062a\u0644\u0641 \u062d\u0633\u0628 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0648\u0639\u0627\u0626\u0644\u0629 \u0627\u0644\u0645\u0646\u062a\u062c\u061b; <a href=\"https:\/\/www.leser.com\/-\/media\/Files\/Engineering\/Chapters\/LID_DE_175706_EN_EHB_06_Installation%20and%20plant%20design\" target=\"_blank\" rel=\"noopener\">\u0625\u0631\u0634\u0627\u062f\u0627\u062a LESER \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629<\/a>, \u060c \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u062a\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u062d\u062f\u0648\u062f \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a \u0639\u0644\u0649 \u0623\u0646\u0647\u0627 \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0648\u0644\u064a\u0633\u062a \u0642\u064a\u0645\u0629 \u0648\u0627\u062d\u062f\u0629 \u0644\u0643\u0644 \u0635\u0645\u0627\u0645 \u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0645\u0646\u0641\u0627\u062e.<\/p>\n<p>\u0642\u0628\u0644 \u0623\u0646 \u064a\u0628\u0642\u0649 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0645\u0646\u0641\u0627\u062e \u0636\u0645\u0646 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0645\u0631\u0634\u062d\u0629\u060c \u062d\u062f\u0651\u062f:<\/p>\n<ol>\n<li>\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0636\u063a\u0637 \u0645\u062a\u0631\u0627\u0643\u0628\u064b\u0627 \u0623\u0648 \u0645\u062a\u0648\u0644\u0651\u062f\u064b\u0627 \u0623\u0648 \u0643\u0644\u064a\u0647\u0645\u0627\u061b;<\/li>\n<li>\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u062a\u0631\u0627\u0643\u0628 \u062b\u0627\u0628\u062a\u064b\u0627 \u0623\u0645 \u0645\u062a\u063a\u064a\u0631\u064b\u0627\u061b;<\/li>\n<li>\u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0635\u0628 \u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u062d\u0627\u0643\u0645\u0629\u061b \u0648<\/li>\n<li>\u0627\u0644\u0646\u0637\u0627\u0642 \u0627\u0644\u0645\u0633\u0645\u0648\u062d \u0628\u0647 \u0648\u0627\u0644\u0623\u062f\u0644\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u064a\u0629 \u0627\u0644\u0645\u0639\u0645\u0648\u0644 \u0628\u0647\u0627 \u0644\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u062d\u062f\u062f \u0627\u0644\u0645\u0639\u0631\u0648\u0636.<\/li>\n<\/ol>\n<blockquote>\n<p><strong>\u201c\u0648\u062c\u0648\u062f \u201d\u0636\u063a\u0637 \u062e\u0644\u0641\u064a\" \u0648\u062d\u062f\u0647 \u0644\u0627 \u064a\u0643\u0641\u064a \u0644\u062d\u0633\u0645 \u0642\u0631\u0627\u0631 \u0627\u0644\u062a\u0635\u0645\u064a\u0645.<\/strong><\/p>\n<\/blockquote>\n<p>\u0644\u0644\u062a\u0639\u0631\u064a\u0641\u0627\u062a \u0627\u0644\u0623\u0639\u0645\u0642 \u0644\u0644\u0636\u063a\u0637 \u0648\u062a\u0623\u062b\u064a\u0631\u0627\u062a\u0647 \u0639\u0644\u0649 \u0627\u0644\u0646\u0638\u0627\u0645\u060c \u0627\u0633\u062a\u062e\u062f\u0645 <a href=\"https:\/\/zobai.com\/ar\/engineering\/back-pressure-and-bellows\/\">\u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a \u0648\u0627\u0644\u0645\u0646\u0641\u0627\u062e<\/a>. \u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u0643\u0627\u0645\u0644 \u0644\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0625\u064a\u062c\u0627\u0628\u064a\u060c \u0627\u0633\u062a\u062e\u062f\u0645 <a href=\"https:\/\/zobai.com\/ar\/blog\/bellows-balanced-safety-valve-selection-guide\/\">\u062f\u0644\u064a\u0644 \u0627\u062e\u062a\u064a\u0627\u0631 \u0635\u0645\u0627\u0645 \u0627\u0644\u0623\u0645\u0627\u0646 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0645\u0646\u0641\u0627\u062e<\/a>. \u062a\u0628\u0642\u0649 \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0645\u0631\u0643\u0632\u0629 \u0639\u0644\u0649 \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u062a\u064a \u064a\u0646\u0628\u063a\u064a \u0623\u0646 \u062a\u0648\u0642\u0641 \u0623\u0648 \u062a\u0624\u062c\u0644 \u0642\u0631\u0627\u0631 \u0627\u0644\u062a\u0631\u0634\u064a\u062d.<\/p>\n<\/section>\n<section>\n<h2>\u0639\u0646\u062f\u0645\u0627 \u064a\u0635\u0628\u062d \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u0643\u0648\u0651\u0646 \u0627\u0644\u0645\u062d\u062f\u0650\u0651\u062f<\/h2>\n<p>\u0642\u062f \u064a\u062d\u0644 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0645\u0634\u0643\u0644\u0629 \u062a\u0648\u0627\u0632\u0646 \u0642\u0648\u0649 \u0648\u0627\u062d\u062f\u0629 \u0628\u064a\u0646\u0645\u0627 \u064a\u062e\u0644\u0642 \u0645\u062a\u0637\u0644\u0628 \u062a\u062d\u0642\u0642 \u0645\u062e\u062a\u0644\u0641. \u0644\u0630\u0644\u0643 \u064a\u0646\u0628\u063a\u064a \u062a\u0639\u0644\u064a\u0642 \u0623\u064a \u062a\u0631\u0634\u064a\u062d 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\u0627\u0644\u062d\u062f \u0627\u0644\u0645\u0639\u0646\u064a \u0647\u0648 \u0646\u0637\u0627\u0642 \u0627\u0644\u0645\u0627\u062f\u0629 \u0648\u0627\u0644\u0628\u0646\u064a\u0629 \u0627\u0644\u0645\u0648\u062b\u0642 \u0644\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0642\u062a\u0631\u062d\u060c \u0648\u0644\u064a\u0633 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0642\u0635\u0648\u0649 \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0645\u0642\u0627\u0644\u0629.<\/p>\n<h3>\u0627\u0644\u062f\u0648\u0631\u0627\u062a \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629<\/h3>\n<p>\u062a\u0634\u064a\u0631 \u0627\u0644\u0623\u062f\u0628\u064a\u0627\u062a \u0627\u0644\u0641\u0646\u064a\u0629 \u0644\u0644\u062c\u0647\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0625\u0644\u0649 \u0623\u0646 \u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0648\u0627\u0644\u062a\u0622\u0643\u0644 \u0648\u0627\u0644\u062f\u0648\u0631\u0627\u062a \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0645\u0646 \u0628\u064a\u0646 \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0645\u0631\u062a\u0628\u0637\u0629 \u0628\u0641\u0634\u0644 \u0627\u0644\u0645\u0646\u0641\u0627\u062e. \u0648\u0647\u0630\u0627 \u064a\u062c\u0639\u0644 \u0627\u0644\u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0645\u062a\u0648\u0627\u0635\u0644 \u0644\u0644\u062f\u0648\u0631\u0627\u062a \u0633\u0628\u0628\u064b\u0627 \u0648\u062c\u064a\u0647\u064b\u0627 \u0644\u0637\u0644\u0628 \u0623\u062f\u0644\u0629 \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u062a\u0635\u0645\u064a\u0645\u060c \u0644\u0643\u0646\u0647 \u0644\u0627 \u064a\u062b\u0628\u062a \u062d\u062f\u064b\u0627 \u0639\u0627\u0644\u0645\u064a\u064b\u0627 \u0644\u0639\u0645\u0631 \u0627\u0644\u062e\u062f\u0645\u0629 \u0623\u0648 \u0639\u062f\u062f \u0627\u0644\u062f\u0648\u0631\u0627\u062a.<\/p>\n<h3>\u0627\u0644\u062e\u062f\u0645\u0629 \u0628\u0627\u0644\u0623\u0648\u0633\u0627\u0637 \u0627\u0644\u0645\u0644\u0648\u062b\u0629 \u0623\u0648 \u0627\u0644\u0637\u064a\u0646\u064a\u0629 \u0623\u0648 \u0627\u0644\u0644\u0632\u062c\u0629<\/h3>\n<p><strong>\u0647\u0630\u0647 \u0627\u0644\u062e\u062f\u0645\u0627\u062a \u0644\u064a\u0633\u062a \u0623\u0633\u0628\u0627\u0628\u064b\u0627 \u062a\u0644\u0642\u0627\u0626\u064a\u0629 \u0644\u0631\u0641\u0636 \u0635\u0645\u0627\u0645 \u0623\u0645\u0627\u0646 \u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0645\u0646\u0641\u0627\u062e.<\/strong> \u062a\u0648\u062b\u0651\u0642 Baker Hughes \u062a\u0635\u0627\u0645\u064a\u0645 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u062a\u064a \u064a\u0633\u0627\u0639\u062f \u0641\u064a\u0647\u0627 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0639\u0644\u0649 \u0639\u0632\u0644 \u0623\u0633\u0637\u062d \u0627\u0644\u062a\u0648\u062c\u064a\u0647 \u0641\u064a \u0627\u0644\u062e\u062f\u0645\u0629 \u0645\u0639 \u0627\u0644\u0645\u0644\u0627\u0637 \u0623\u0648 \u0627\u0644\u0633\u0648\u0627\u0626\u0644 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0644\u0632\u0648\u062c\u0629\u061b \u0648\u0644\u0627 \u062a\u0632\u0627\u0644 \u0627\u0644\u0645\u0644\u0627\u0621\u0645\u0629 \u062a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0641\u0639\u0644\u064a \u0648\u0638\u0631\u0648\u0641 \u0627\u0644\u0639\u0645\u0644\u064a\u0629. \u0627\u0646\u0638\u0631 <a href=\"https:\/\/dam.bakerhughes.com\/m\/1c52f692f057d8bb\/original\/Consolidated-1900-SRV-Fact-Sheet-English.pdf\" target=\"_blank\" rel=\"noopener\">Consolidated 1900 technical fact sheet<\/a>.<\/p>\n<p>\u064a\u062c\u0628 \u0623\u0646 \u064a\u0628\u0642\u0649 \u0627\u0644\u0645\u0631\u0634\u062d \u0645\u0639\u0644\u0651\u0642\u064b\u0627 \u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u0623\u064a \u0645\u0645\u0627 \u064a\u0644\u064a \u0642\u0627\u062f\u0631\u064b\u0627 \u0639\u0644\u0649 \u062a\u063a\u064a\u064a\u0631 \u0627\u0644\u0642\u0631\u0627\u0631:<\/p>\n<ul>\n<li>\u0642\u062f\u0631\u0629 \u062a\u062d\u0645\u0651\u0644 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0644\u0644\u0636\u063a\u0637 \u063a\u064a\u0631 \u0645\u064f\u062a\u062d\u0642\u0642 \u0645\u0646\u0647\u0627\u061b;<\/li>\n<li>\u0644\u0645 \u064a\u062a\u0645 \u0641\u062d\u0635 \u0645\u0627\u062f\u0629 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0645\u0642\u0627\u0628\u0644 \u0645\u0627\u0626\u0639 \u0627\u0644\u0639\u0645\u0644\u064a\u0629\u061b;<\/li>\n<li>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0646\u0641\u064a\u0633 \u062e\u0627\u0631\u062c \u062d\u062f \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u063a\u064a\u0631 \u0627\u0644\u0645\u0624\u0643\u062f \u0623\u0648 \u0642\u0631\u064a\u0628\u0629 \u0645\u0646\u0647\u061b \u0623\u0648<\/li>\n<li>\u062d\u0645\u0644 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u062f\u0648\u0631\u064a \u0627\u0644\u0641\u0639\u0644\u064a \u064a\u062b\u064a\u0631 \u0645\u0633\u0623\u0644\u0629 \u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0627\u0644\u062a\u064a \u0644\u0645 \u064a\u0639\u0627\u0644\u062c\u0647\u0627 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0639\u0631\u0648\u0636.<\/li>\n<\/ul>\n<p>\u0646\u0642\u0637\u0629 \u0627\u0644\u0627\u0633\u062a\u0628\u0639\u0627\u062f \u0644\u064a\u0633\u062a \u0623\u0646 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0647\u0634 \u0628\u0637\u0628\u064a\u0639\u062a\u0647. \u0628\u0644 \u0623\u0646 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u062a\u0648\u0627\u0632\u0646 \u0644\u0627 \u064a\u064f\u0644\u063a\u064a \u0627\u0644\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u062a\u0623\u0647\u064a\u0644 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0646\u0641\u0633\u0647.<\/p>\n<\/section>\n<section>\n<h2>\u0641\u0634\u0644 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0648\u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u063a\u0637\u0627\u0621 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u063a\u064a\u0651\u0631\u0627 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631<\/h2>\n<figure class=\"wp-block-image size-full zobai-figure\" data-image-slot=\"IMG-01\"><img loading=\"lazy\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/bellows-balanced-valve-not-right-img-01.webp\" alt=\"\u0645\u0642\u0637\u0639 \u0645\u0628\u0633\u0651\u0637 \u064a\u0642\u0627\u0631\u0646 \u0628\u064a\u0646 \u062d\u0627\u0644\u062a\u064a \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u0633\u0644\u064a\u0645 \u0648\u0627\u0644\u062a\u0627\u0644\u0641 \u0641\u064a \u0635\u0645\u0627\u0645 \u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u0636\u063a\u0637 \u0648\u0645\u0633\u0627\u0631 \u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u063a\u0637\u0627\u0621.\" title=\"\u0639\u0646\u062f\u0645\u0627 \u0644\u0627 \u064a\u0643\u0648\u0646 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0645\u0646\u0641\u0627\u062e \u0647\u0648 \u0627\u0644\u062d\u0644 \u0627\u0644\u0645\u0646\u0627\u0633\u0628 - IMG-01\" width=\"1200\" height=\"900\" class=\"wp-image-56867\" decoding=\"async\" srcset=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/bellows-balanced-valve-not-right-img-01.webp 1200w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/bellows-balanced-valve-not-right-img-01-300x225.webp 300w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/bellows-balanced-valve-not-right-img-01-1024x768.webp 1024w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/bellows-balanced-valve-not-right-img-01-768x576.webp 768w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/bellows-balanced-valve-not-right-img-01-16x12.webp 16w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/bellows-balanced-valve-not-right-img-01-400x300.webp 400w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption>\u0645\u0642\u0637\u0639 \u0645\u0628\u0633\u0651\u0637 \u064a\u0642\u0627\u0631\u0646 \u0628\u064a\u0646 \u062d\u0627\u0644\u062a\u064a \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u0633\u0644\u064a\u0645 \u0648\u0627\u0644\u062a\u0627\u0644\u0641 \u0641\u064a \u0635\u0645\u0627\u0645 \u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u0636\u063a\u0637 \u0648\u0645\u0633\u0627\u0631 \u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u063a\u0637\u0627\u0621.<\/figcaption><\/figure>\n<p>\u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u063a\u0637\u0627\u0621 \u0641\u064a \u0635\u0645\u0627\u0645 \u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0645\u0646\u0641\u0627\u062e \u0647\u0648 \u062c\u0632\u0621 \u0645\u0646 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0648\u0638\u064a\u0641\u064a\u060c \u0648\u0644\u064a\u0633 \u0641\u062a\u062d\u0629 \u062a\u062c\u0645\u064a\u0644\u064a\u0629.<\/p>\n<p>\u0641\u064a \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0627\u0644\u0645\u0639\u062a\u0645\u062f\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646\u060c \u064a\u062c\u0628 \u0623\u0646 \u064a\u062d\u0627\u0641\u0638 \u0627\u0644\u063a\u0637\u0627\u0621 \u0639\u0644\u0649 \u0645\u0631\u062c\u0639 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u0637\u0644\u0648\u0628 \u0644\u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u062a\u0648\u0627\u0632\u0646. \u062a\u062d\u0630\u0631 \u0625\u0631\u0634\u0627\u062f\u0627\u062a \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0645\u0646 AIChE \u0645\u0646 \u0623\u0646 \u0633\u062f \u0641\u062a\u062d\u0629 \u062a\u0647\u0648\u064a\u0629 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0642\u062f \u064a\u0628\u0637\u0644 \u0647\u0630\u0627 \u0627\u0644\u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u0645\u0642\u0635\u0648\u062f \u0648\u064a\u0636\u0639\u0641 \u0623\u062f\u0627\u0621 \u0627\u0644\u062a\u0646\u0641\u064a\u0633 \u062a\u062d\u062a \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a. \u0627\u0646\u0638\u0631 <a href=\"https:\/\/publications.aiche.org\/cep\/2016\/july\/avoid-pressure-relief-system-pitfalls\" target=\"_blank\" rel=\"noopener\">\u0625\u0631\u0634\u0627\u062f\u0627\u062a AIChE \u0644\u0646\u0638\u0627\u0645 \u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u0636\u063a\u0637<\/a>.<\/p>\n<p>\u062a\u0639\u0644\u064a\u0645\u0627\u062a Crosby \u0644\u062a\u0635\u0645\u064a\u0645\u0647\u0627 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0627\u0644\u0645\u0646\u0641\u0627\u062e \u062a\u0634\u062a\u0631\u0637 \u0623\u064a\u0636\u064b\u0627 \u0623\u0646 \u064a\u062d\u0627\u0641\u0638 \u0627\u0644\u063a\u0637\u0627\u0621 \u0639\u0644\u0649 \u0645\u0631\u062c\u0639 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u0642\u0635\u0648\u062f \u0648\u062a\u062d\u0630\u0631 \u0645\u0646 \u0633\u062f \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0647\u0648\u064a\u0629. \u0627\u0646\u0638\u0631 <a href=\"https:\/\/www.emerson.com\/content\/dam\/emerson\/en\/final-control\/pressure-management\/documents\/crosby-em-series-spring-loaded-pressure-safety-valves-iom-fcim-20102-en.pdf\" target=\"_blank\" rel=\"noopener\">\u062f\u0644\u064a\u0644 \u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0633\u0644\u0633\u0644\u0629 Crosby EM<\/a>.<\/p>\n<p>\u062d\u0627\u0644\u0629 \u0627\u0644\u0641\u0634\u0644 \u0644\u0627 \u062a\u0642\u0644 \u0623\u0647\u0645\u064a\u0629 \u0639\u0646 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0637\u0628\u064a\u0639\u064a. \u0625\u0630\u0627 \u062a\u0645\u0632\u0642 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0641\u064a \u062a\u0635\u0645\u064a\u0645 \u0645\u0639\u0645\u0648\u0644 \u0628\u0647\u060c \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062f\u062e\u0644 \u0645\u0627\u0626\u0639 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0625\u0644\u0649 \u062d\u064a\u0632 \u0627\u0644\u063a\u0637\u0627\u0621 \u0648\u064a\u0635\u0644 \u0625\u0644\u0649 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0647\u0648\u064a\u0629. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0648\u0633\u0637 \u062e\u0637\u064a\u0631\u060c \u064a\u0635\u0628\u062d \u0645\u0633\u0627\u0631 \u0627\u0644\u062a\u0635\u0631\u064a\u0641 \u0627\u0644\u0645\u062d\u062a\u0645\u0644 \u0647\u0630\u0627 \u0645\u0633\u0623\u0644\u0629 \u0633\u0644\u0627\u0645\u0629 \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/p>\n<p>\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u063a\u064a\u0631 \u0641\u0634\u0644 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0623\u064a\u0636\u064b\u0627 \u0643\u064a\u0641\u064a\u0629 \u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a \u0639\u0644\u0649 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\u0645\u062a\u0648\u0627\u0632\u0646\u201d.\u201d<\/p>\n<div class=\"zobai-table-scroll\" role=\"region\" aria-label=\"\u0623\u0633\u0626\u0644\u0629 \u0641\u062d\u0635 \u062a\u0644\u0641 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0648\u0641\u062a\u062d\u0629 \u062a\u0647\u0648\u064a\u0629 \u0627\u0644\u063a\u0637\u0627\u0621\" tabindex=\"0\">\n<table>\n<thead>\n<tr>\n<th scope=\"col\">\u0633\u0624\u0627\u0644 \u0627\u0644\u062a\u062d\u0642\u0642<\/th>\n<th scope=\"col\">\u0644\u0645\u0627\u0630\u0627 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0648\u0642\u0641 \u0642\u0631\u0627\u0631 \u0627\u0644\u0645\u0631\u0634\u062d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u062a\u063a\u064a\u0631 \u0641\u064a \u0633\u0644\u0648\u0643 \u0627\u0644\u0635\u0645\u0627\u0645 \u0625\u0630\u0627 \u0641\u0642\u062f \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0633\u0644\u0627\u0645\u062a\u0647\u061f<\/td>\n<td>\u0642\u062f \u064a\u062a\u063a\u064a\u0631 \u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a \u0627\u0644\u0645\u0642\u0635\u0648\u062f.<\/td>\n<\/tr>\n<tr>\n<td>\u0647\u0644 \u064a\u0645\u0643\u0646 \u0644\u0645\u0627\u0626\u0639 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u0649 \u0641\u062a\u062d\u0629 \u062a\u0647\u0648\u064a\u0629 \u0627\u0644\u063a\u0637\u0627\u0621 \u0628\u0639\u062f \u0627\u0644\u0641\u0634\u0644\u061f<\/td>\n<td>\u0642\u062f \u062a\u0635\u0628\u062d \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0647\u0648\u064a\u0629 \u0645\u0633\u0627\u0631 \u062a\u0635\u0631\u064a\u0641.<\/td>\n<\/tr>\n<tr>\n<td>\u0645\u0627 \u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0630\u0644\u0643 \u0627\u0644\u0633\u0627\u0626\u0644 \u062e\u0637\u0650\u0631\u064b\u0627\u061f<\/td>\n<td>\u0642\u062f \u064a\u062d\u062a\u0627\u062c \u0645\u0633\u0627\u0631 \u0627\u0644\u0641\u0634\u0644 \u0625\u0644\u0649 \u0645\u0639\u0627\u0644\u062c\u0629 \u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/td>\n<\/tr>\n<tr>\n<td>\u0647\u0644 \u064a\u062a\u0636\u0645\u0646 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062f\u0642\u064a\u0642 \u0645\u0648\u0627\u0632\u0646\u0629 \u0627\u062d\u062a\u064a\u0627\u0637\u064a\u0629 \u0623\u0648 \u0648\u0633\u064a\u0644\u0629 \u0644\u0644\u0643\u0634\u0641 \u0639\u0646 \u062a\u0633\u0631\u0628 \u0627\u0644\u0645\u0646\u0641\u0627\u062e\u061f<\/td>\n<td>\u064a\u062e\u062a\u0644\u0641 \u0633\u0644\u0648\u0643 \u0627\u0644\u0641\u0634\u0644 \u062d\u0633\u0628 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0648\u0644\u0627 \u064a\u0645\u0643\u0646 \u0627\u0641\u062a\u0631\u0627\u0636\u0647.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0627\u0644\u0625\u062c\u0627\u0628\u0627\u062a \u063a\u064a\u0631 \u0645\u0639\u0631\u0648\u0641\u0629 \u0648\u0643\u0627\u0646\u062a \u0642\u062f \u062a\u063a\u064a\u0651\u0631 \u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0627\u0644\u0645\u0642\u0628\u0648\u0644\u0629 \u0644\u0644\u0641\u0634\u0644\u060c \u0641\u0625\u0646 \u0645\u0631\u0634\u062d \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u063a\u064a\u0631 \u062c\u0627\u0647\u0632 \u0644\u0644\u0627\u0639\u062a\u0645\u0627\u062f.<\/p>\n<\/section>\n<section>\n<h2>\u0645\u062a\u0649 \u064a\u0646\u0628\u063a\u064a \u0623\u0646 \u064a\u0628\u0642\u0649 \u062a\u0635\u0645\u064a\u0645 \u0622\u062e\u0631 \u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u0646\u0641\u064a\u0633 \u0636\u0645\u0646 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0645\u0631\u0634\u062d\u064a\u0646<\/h2>\n<p>\u0631\u0641\u0636 \u0623\u0648 \u062a\u0639\u0644\u064a\u0642 \u0645\u0631\u0634\u062d \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0644\u0627 \u064a\u062d\u062f\u062f \u0628\u062f\u064a\u0644\u0647 \u062a\u0644\u0642\u0627\u0626\u064a\u064b\u0627. \u0625\u0646\u0647 \u064a\u0639\u064a\u062f \u0641\u062a\u062d \u0642\u0631\u0627\u0631 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0641\u062d\u0633\u0628.<\/p>\n<div class=\"zobai-table-scroll\" role=\"region\" aria-label=\"\u0641\u0631\u0648\u0639 \u0645\u0639\u0645\u0627\u0631\u064a\u0629 \u0635\u0645\u0627\u0645 \u0627\u0644\u062a\u0646\u0641\u064a\u0633 \u0628\u0639\u062f \u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646\" tabindex=\"0\">\n<table>\n<thead>\n<tr>\n<th scope=\"col\">\u0641\u0631\u0639 \u0627\u0644\u0645\u0631\u0634\u062d<\/th>\n<th scope=\"col\">\u0644\u0645\u0627\u0630\u0627 \u0642\u062f \u064a\u0628\u0642\u0649 \u0642\u064a\u062f \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629<\/th>\n<th scope=\"col\">\u0645\u0627 \u0627\u0644\u0630\u064a \u0644\u0627 \u064a\u0632\u0627\u0644 \u064a\u0645\u0646\u0639 \u0627\u0644\u0642\u0628\u0648\u0644 \u0627\u0644\u062a\u0644\u0642\u0627\u0626\u064a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u0635\u0645\u0627\u0645 \u062a\u0642\u0644\u064a\u062f\u064a \u0645\u062d\u0645\u0644 \u0628\u0646\u0627\u0628\u0636<\/strong><\/td>\n<td>\u0642\u062f \u064a\u0628\u0642\u0649 \u062a\u0643\u0648\u064a\u0646 \u0623\u0628\u0633\u0637 \u0642\u0627\u0628\u0644\u0627\u064b \u0644\u0644\u062a\u0637\u0628\u064a\u0642 \u0641\u064a \u0628\u0639\u0636 \u0638\u0631\u0648\u0641 \u0627\u0644\u0645\u0635\u0628 \u0627\u0644\u0645\u0633\u062a\u0642\u0631\u0629 \u0648\u0627\u0644\u0645\u062d\u062f\u062f\u0629.<\/td>\n<td>\u0644\u0627 \u064a\u0632\u0627\u0644 \u064a\u062a\u0639\u064a\u0646 \u0623\u0646 \u064a\u0633\u062a\u0648\u0641\u064a \u0633\u0644\u0648\u0643 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a \u0627\u0644\u0641\u0639\u0644\u064a \u0648\u0623\u0633\u0627\u0633 \u0627\u0644\u0636\u0628\u0637 \u0648\u0627\u0644\u0633\u0639\u0629 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062e\u062f\u0645\u0629.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062a\u0631\u062a\u064a\u0628 \u0622\u062e\u0631 \u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0646\u0627\u0628\u0636 \u0645\u0628\u0627\u0634\u0631<\/strong><\/td>\n<td>\u0642\u062f \u064a\u062a\u062c\u0646\u0628 \u0642\u064a\u062f\u064b\u0627 \u0645\u0631\u062a\u0628\u0637\u064b\u0627 \u0628\u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u0639\u062f\u0646\u064a.<\/td>\n<td>\u064a\u0642\u062f\u0645 \u0641\u062d\u0648\u0635\u0627\u062a\u0647 \u0627\u0644\u062e\u0627\u0635\u0629 \u0644\u0644\u062e\u062a\u0645 \u0648\u0627\u0644\u0645\u0648\u0627\u062f \u0648\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0633\u0644\u0648\u0643 \u0627\u0644\u0641\u0634\u0644.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0635\u0645\u0627\u0645 \u062a\u0646\u0641\u064a\u0633 \u064a\u0639\u0645\u0644 \u0628\u0627\u0644\u0628\u0627\u064a\u0644\u0648\u062a<\/strong><\/td>\n<td>\u064a\u0648\u0641\u0631 \u0628\u0646\u064a\u0629 \u0623\u062e\u0631\u0649 \u0644\u0644\u0645\u0647\u0627\u0645 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u062f\u0648\u0646 \u0627\u0644\u0627\u0639\u062a\u0645\u0627\u062f \u0639\u0644\u0649 \u0645\u0646\u0641\u0627\u062e \u0645\u0648\u0627\u0632\u0646\u0629.<\/td>\n<td>\u0644\u0627 \u062a\u0632\u0627\u0644 \u0638\u0631\u0648\u0641 \u0627\u0644\u0628\u0627\u064a\u0644\u0648\u062a \u0648\u0627\u0644\u0627\u0633\u062a\u0634\u0639\u0627\u0631 \u0648\u0627\u0644\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0627\u0644\u0633\u0648\u0627\u0626\u0644 \u0648\u0627\u0644\u062a\u0644\u0648\u062b \u0648\u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0645\u0647\u0645\u0629.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u0644\u0627 \u064a\u0648\u062c\u062f \u0635\u0641 \u0641\u064a \u0630\u0644\u0643 \u0627\u0644\u062c\u062f\u0648\u0644 \u064a\u0639\u0646\u064a \u201c\u0627\u0644\u062a\u0631\u0642\u064a\u0629\u201d. \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0644 \u0628\u0639\u064a\u062f\u064b\u0627 \u0639\u0646 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u064a\u0628\u0627\u062f\u0644 \u0645\u062c\u0645\u0648\u0639\u0629 \u0642\u064a\u0648\u062f \u0628\u0623\u062e\u0631\u0649.<\/p>\n<p>\u0627\u0644\u063a\u0631\u0636 \u0645\u0646 \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0647\u0648 \u0641\u0642\u0637 \u062a\u062d\u062f\u064a\u062f \u0645\u062a\u0649 \u064a\u062c\u0628 \u0625\u0639\u0627\u062f\u0629 \u0641\u062a\u062d \u062a\u0644\u0643 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629. \u0644\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u0643\u0627\u0645\u0644 \u0628\u064a\u0646 \u0627\u0644\u0645\u062d\u0645\u0644 \u0628\u0646\u0627\u0628\u0636 \u0648\u0627\u0644\u0639\u0627\u0645\u0644 \u0628\u0627\u0644\u0628\u0627\u064a\u0644\u0648\u062a\u060c \u0627\u0633\u062a\u062e\u062f\u0645 <a href=\"https:\/\/zobai.com\/ar\/blog\/spring-loaded-safety-valve-vs-pilot-operated-safety-valve\/\">\u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u064a\u0646 \u0635\u0645\u0627\u0645 \u0627\u0644\u0623\u0645\u0627\u0646 \u0627\u0644\u0645\u062d\u0645\u0644 \u0628\u0646\u0627\u0628\u0636 \u0648\u0635\u0645\u0627\u0645 \u0627\u0644\u0623\u0645\u0627\u0646 \u0627\u0644\u0630\u064a \u064a\u0639\u0645\u0644 \u0628\u0627\u0644\u0628\u0627\u064a\u0644\u0648\u062a<\/a>.<\/p>\n<\/section>\n<section>\n<h2>\u0645\u0627 \u064a\u062c\u0628 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646\u0647 \u0642\u0628\u0644 \u0625\u062f\u0631\u0627\u062c \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0641\u064a \u0637\u0644\u0628 \u0639\u0631\u0636 \u0627\u0644\u0633\u0639\u0631<\/h2>\n<p>\u0647\u0630\u0627 \u0627\u0644\u0642\u0633\u0645 \u0644\u064a\u0633 \u0642\u0627\u0626\u0645\u0629 \u062a\u062d\u0642\u0642 \u0643\u0627\u0645\u0644\u0629 \u0644\u0637\u0644\u0628 \u0639\u0631\u0636 \u0633\u0639\u0631 \u0635\u0645\u0627\u0645 \u0627\u0644\u0623\u0645\u0627\u0646. \u0625\u0646\u0647 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0627\u0644\u0623\u062f\u0644\u0629 \u0627\u0644\u0644\u0627\u0632\u0645\u0629 \u0644\u0625\u063a\u0644\u0627\u0642 <strong>\u0627\u0644\u0627\u062d\u062a\u062c\u0627\u0632<\/strong> \u0627\u0644\u062a\u064a \u0642\u062f \u062a\u063a\u064a\u0631 \u0642\u0631\u0627\u0631 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646.<\/p>\n<div class=\"zobai-table-scroll\" role=\"region\" aria-label=\"\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0645\u0646 \u0627\u0644\u0623\u062f\u0644\u0629 \u0627\u0644\u0644\u0627\u0632\u0645\u0629 \u0644\u0625\u063a\u0644\u0627\u0642 \u0642\u0631\u0627\u0631 \u062a\u0639\u0644\u064a\u0642 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646\" tabindex=\"0\">\n<table>\n<thead>\n<tr>\n<th scope=\"col\">\u0627\u0644\u0623\u062f\u0644\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629<\/th>\n<th scope=\"col\">\u0627\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u0630\u064a \u064a\u063a\u0644\u0642\u0647<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0645\u0647\u0645\u0629 \u062a\u0646\u0641\u064a\u0633 \u0645\u062d\u062f\u062f\u0629\u060c \u0648\u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0627\u0626\u0639\u060c \u0648\u0636\u063a\u0637 \u0627\u0644\u062a\u0646\u0641\u064a\u0633\u060c \u0648\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629\u060c \u0648\u0633\u0639\u0629 \u0627\u0644\u062a\u0635\u0631\u064a\u0641 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629<\/td>\n<td>\u064a\u0624\u0643\u062f \u0645\u0627 \u064a\u062c\u0628 \u0623\u0646 \u064a\u062d\u0645\u064a\u0647 \u0627\u0644\u0635\u0645\u0627\u0645 \u0641\u0639\u0644\u064a\u064b\u0627 \u0648\u062a\u062d\u062a \u0623\u064a \u0638\u0631\u0641 \u062a\u0646\u0641\u064a\u0633.<\/td>\n<\/tr>\n<tr>\n<td>\u0638\u0631\u0648\u0641 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a \u0627\u0644\u0645\u062a\u0631\u0627\u0643\u0628 \u0648\u0627\u0644\u0645\u062a\u0648\u0644\u062f\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0627\u0644\u062a\u063a\u064a\u0631\u064a\u0629 \u0639\u0646\u062f \u0627\u0644\u0627\u0642\u062a\u0636\u0627\u0621<\/td>\n<td>\u064a\u0648\u0636\u062d \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0633\u0628\u0628 \u0627\u0644\u0623\u0635\u0644\u064a \u0644\u0644\u0646\u0638\u0631 \u0641\u064a \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0645\u062d\u062f\u062f\u064b\u0627 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d.<\/td>\n<\/tr>\n<tr>\n<td>\u0646\u0637\u0627\u0642 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a \u0627\u0644\u0645\u0633\u0645\u0648\u062d \u0628\u0647 \u0648\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u0639\u0645\u0648\u0644 \u0628\u0647\u0627 \u0644\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0639\u0631\u0648\u0636 \u0628\u0627\u0644\u062a\u062d\u062f\u064a\u062f<\/td>\n<td>\u064a\u0624\u0643\u062f \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0645\u0631\u0634\u062d \u0644\u0627 \u064a\u0632\u0627\u0644 \u062f\u0627\u062e\u0644 \u0623\u0633\u0627\u0633 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0648\u062b\u0642 \u0645\u0646 \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629.<\/td>\n<\/tr>\n<tr>\n<td>\u0645\u0627\u062f\u0629 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0648\u062a\u0635\u0646\u064a\u0639\u0647 \u0648\u062d\u062f\u0648\u062f \u0627\u0644\u0636\u063a\u0637 \u0648\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/td>\n<td>\u064a\u0624\u0643\u062f \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0646\u0641\u0633\u0647 \u0645\u062a\u0648\u0627\u0641\u0642\u064b\u0627 \u0645\u0639 \u0627\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0641\u0639\u0644\u064a\u0629.<\/td>\n<\/tr>\n<tr>\n<td>\u062a\u0631\u062a\u064a\u0628 \u0641\u0634\u0644 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0648\u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u063a\u0637\u0627\u0621 \u0639\u0646\u062f\u0645\u0627 \u062a\u0643\u0648\u0646 \u0646\u062a\u064a\u062c\u0629 \u0627\u0644\u0641\u0634\u0644 \u0645\u0647\u0645\u0629 \u0644\u0644\u0645\u0634\u0631\u0648\u0639<\/td>\n<td>\u064a\u0624\u0643\u062f \u0643\u064a\u0641 \u064a\u062a\u0635\u0631\u0641 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0642\u062a\u0631\u062d \u0625\u0630\u0627 \u0641\u0642\u062f \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0633\u0644\u0627\u0645\u062a\u0647.<\/td>\n<\/tr>\n<tr>\n<td>\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0643\u0648\u062f \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0648\u0627\u0644\u0634\u0647\u0627\u062f\u0627\u062a \u0648\u0627\u0644\u062a\u0648\u062b\u064a\u0642 \u0627\u0644\u0645\u0639\u0645\u0648\u0644 \u0628\u0647\u0627<\/td>\n<td>\u064a\u0641\u0635\u0644 \u0628\u064a\u0646 \u0627\u0644\u0645\u0639\u0642\u0648\u0644\u064a\u0629 \u0627\u0644\u0641\u0646\u064a\u0629 \u0648\u0627\u0644\u0642\u0628\u0648\u0644 \u0641\u064a \u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u064a\u062a\u0639\u0627\u0645\u0644 API 520 \u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u0623\u0648\u0644 \u0645\u0639 \u0623\u0639\u0645\u0627\u0644 \u062c\u0647\u0627\u0632 \u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u0636\u063a\u0637 \u0639\u0644\u0649 \u0623\u0646\u0647\u0627 \u062d\u0633\u0627\u0628 \u0627\u0644\u0645\u0642\u0627\u0633\u0627\u062a \u0648\u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0639\u064b\u0627\u060c \u0644\u0630\u0627 \u0641\u0625\u0646 \u0627\u062e\u062a\u064a\u0627\u0631 \u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0644\u0627 \u064a\u0643\u0645\u0644 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0633\u0639\u0629 \u0623\u0648 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0646\u0647\u0627\u0626\u064a \u0644\u0644\u0635\u0645\u0627\u0645. \u0631\u0627\u062c\u0639 <a href=\"https:\/\/www.api.org\/products-and-services\/standards\/important-standards-announcements\/520parti\" target=\"_blank\" rel=\"noopener\">\u0635\u0641\u062d\u0629 \u0645\u0639\u0644\u0648\u0645\u0627\u062a API 520 \u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u0623\u0648\u0644<\/a>.<\/p>\n<p>\u0642\u0628\u0648\u0644 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0647\u0648 \u0645\u0633\u0623\u0644\u0629 \u0645\u0646\u0641\u0635\u0644\u0629 \u0623\u062e\u0631\u0649. <a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/bpvc-xiii-bpvc-section-xiii-rules-overpressure-protection-%281%29\" target=\"_blank\" rel=\"noopener\">ASME BPVC \u0627\u0644\u0642\u0633\u0645 XIII<\/a> \u064a\u063a\u0637\u064a \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0632\u0627\u0626\u062f \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u062a\u0635\u0645\u064a\u0645 \u0635\u0645\u0627\u0645 \u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u0636\u063a\u0637 \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0648\u0627\u0644\u0648\u0633\u0645 \u0648\u0627\u0639\u062a\u0645\u0627\u062f \u0627\u0644\u0633\u0639\u0629 \u0648\u0627\u0644\u062a\u0631\u0643\u064a\u0628. <a href=\"https:\/\/www.iso.org\/standard\/50826.html\" target=\"_blank\" rel=\"noopener\">ISO 4126-1<\/a>, \u060c \u0648\u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0646\u0641\u0633\u0647\u060c \u064a\u0635\u0641 \u0646\u0641\u0633\u0647 \u0643\u0645\u0639\u064a\u0627\u0631 \u0645\u0646\u062a\u062c \u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0623\u0645\u0627\u0646 \u0648\u0644\u064a\u0633 \u0643\u0645\u0639\u064a\u0627\u0631 \u062a\u0637\u0628\u064a\u0642\u064a.<\/p>\n<p>\u0644\u0630\u0644\u0643 \u0644\u0627 \u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0631\u0634\u062d \u0627\u0644\u0645\u0636\u064a \u0642\u062f\u0645\u064b\u0627 \u0625\u0644\u0627 \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u0645 \u062d\u0644 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0642\u0627\u062f\u0631\u0629 \u0639\u0644\u0649 \u062a\u063a\u064a\u064a\u0631 \u0627\u0644\u0628\u0646\u064a\u0629. \u0625\u0630\u0627 \u0628\u0642\u064a \u0623\u062d\u062f \u0647\u0630\u0647 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u063a\u064a\u0631 \u0645\u0639\u0631\u0648\u0641\u060c \u0623\u0628\u0642\u0650 \u0627\u0644\u0642\u0631\u0627\u0631 \u0645\u0639\u0644\u0642\u064b\u0627. \u0648\u0625\u0630\u0627 \u062a\u0639\u0627\u0631\u0636 \u0645\u062a\u0637\u0644\u0628 \u0645\u0624\u0643\u062f \u0645\u0639 \u0646\u0637\u0627\u0642 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0648\u062b\u0642\u060c \u0623\u0639\u062f \u0641\u062a\u062d \u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0628\u0646\u064a\u0629.<\/p>\n<p>\u0644\u0633\u064a\u0631 \u0639\u0645\u0644 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0645\u0646\u0641\u0627\u062e \u0648\u0637\u0644\u0628 \u0639\u0631\u0636 \u0627\u0644\u0633\u0639\u0631 \u0628\u0627\u0644\u0643\u0627\u0645\u0644\u060c \u0627\u0633\u062a\u062e\u062f\u0645 <a href=\"https:\/\/zobai.com\/ar\/blog\/bellows-balanced-safety-valve-selection-guide\/\">\u062f\u0644\u064a\u0644 \u0627\u062e\u062a\u064a\u0627\u0631 \u0635\u0645\u0627\u0645 \u0627\u0644\u0623\u0645\u0627\u0646 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0645\u0646\u0641\u0627\u062e<\/a>.<\/p>\n<blockquote>\n<p><strong>\u0633\u0624\u0627\u0644 \u0637\u0644\u0628 \u0639\u0631\u0636 \u0627\u0644\u0633\u0639\u0631 \u0644\u064a\u0633 \u0628\u0628\u0633\u0627\u0637\u0629 \u201c\u0647\u0644 \u064a\u0645\u0643\u0646\u0643 \u062a\u0648\u0631\u064a\u062f \u0635\u0645\u0627\u0645 \u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0645\u0646\u0641\u0627\u062e\u061f\u201d \u0628\u0644 \u201c\u0647\u0644 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u062f\u0642\u064a\u0642 \u0627\u0644\u0630\u064a \u062a\u0639\u0631\u0636\u0647 \u064a\u0644\u0628\u064a \u0647\u0630\u0647 \u0627\u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u0645\u062d\u062f\u062f\u0629 \u0648\u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0635\u0628 \u0648\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0623\u062f\u0644\u0629 \u0627\u0644\u0645\u0634\u0631\u0648\u0639\u061f\u201d<\/strong><\/p>\n<\/blockquote>\n<p class=\"zobai-cta\">\u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0647\u0630\u0647 \u0627\u0644\u0634\u0631\u0648\u0637 \u0645\u062d\u062f\u062f\u0629 \u0628\u0627\u0644\u0641\u0639\u0644\u060c \u064a\u0645\u0643\u0646\u0643 <a href=\"https:\/\/zobai.com\/ar\/ask-an-engineer\/\">\u0627\u0633\u0623\u0644 \u0645\u0647\u0646\u062f\u0633 \u0635\u0645\u0627\u0645\u0627\u062a \u0623\u0645\u0627\u0646 \u0641\u064a ZOBAI<\/a> \u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u0645\u0631\u0634\u062d \u0642\u0628\u0644 \u062a\u062b\u0628\u064a\u062a \u0627\u0644\u0628\u0646\u064a\u0629.<\/p>\n<\/section>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>\u062a\u0639\u0631\u0651\u0641 \u0639\u0644\u0649 \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u0642\u062f \u0644\u0627 \u064a\u0643\u0648\u0646 \u0641\u064a\u0647\u0627 \u0635\u0645\u0627\u0645 \u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u062a\u0648\u0627\u0632\u0646 \u0628\u0645\u0646\u0641\u0627\u062e \u0636\u0631\u0648\u0631\u064a\u064b\u0627\u060c \u0623\u0648 \u064a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u062a\u062d\u0642\u0642\u060c \u0623\u0648 \u064a\u0646\u0628\u063a\u064a \u0645\u0642\u0627\u0631\u0646\u062a\u0647 \u0628\u0628\u0646\u064a\u0629 \u0635\u0645\u0627\u0645 \u0623\u062e\u0631\u0649.<\/p>","protected":false},"author":2,"featured_media":56867,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[73],"tags":[],"class_list":["post-56807","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-valve-types-selection"],"_links":{"self":[{"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/posts\/56807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/comments?post=56807"}],"version-history":[{"count":2,"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/posts\/56807\/revisions"}],"predecessor-version":[{"id":56895,"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/posts\/56807\/revisions\/56895"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/media\/56867"}],"wp:attachment":[{"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/media?parent=56807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/categories?post=56807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/tags?post=56807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}