{"id":57080,"date":"2026-09-30T15:25:34","date_gmt":"2026-09-30T15:25:34","guid":{"rendered":"https:\/\/zobai.com\/?p=57080"},"modified":"2026-09-30T16:51:24","modified_gmt":"2026-09-30T16:51:24","slug":"how-heating-medium-conditions-affect-jacketed-safety-valves","status":"publish","type":"post","link":"https:\/\/zobai.com\/ar\/blog\/how-heating-medium-conditions-affect-jacketed-safety-valves\/","title":{"rendered":"\u0643\u064a\u0641 \u062a\u0624\u062b\u0631 \u0638\u0631\u0648\u0641 \u0648\u0633\u064a\u0637 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0639\u0644\u0649 \u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0623\u0645\u0627\u0646 \u0627\u0644\u0645\u0632\u0648\u062f\u0629 \u0628\u063a\u0644\u0627\u0641"},"content":{"rendered":"<style>\n.zobai-sv-page{\n  --z-primary:#0f665b;\n  --z-primary-dark:#084c45;\n  --z-accent:#15947f;\n  --z-text:#20272d;\n  --z-muted:#5d6870;\n  --z-line:#dce6e3;\n  --z-soft:#f3f8f6;\n  --z-soft-strong:#e8f3ef;\n  --z-warning:#fff8e8;\n  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padding:26px;\n  flex-direction:column;\n  justify-content:center;\n  border:2px dashed #9bbdb4;\n  border-radius:var(--z-radius-md);\n  background:var(--z-soft);\n  overflow:hidden;\n}<\/p>\n<p>.zobai-sv-page .zobai-placeholder-box p{\n  max-width:720px;\n  margin:0 0 8px;\n}<\/p>\n<p>.zobai-sv-page .zobai-placeholder-box p:last-child{\n  margin-bottom:0;\n}<\/p>\n<p>.zobai-sv-page .zobai-figure-note{\n  max-width:820px;\n  margin:10px 0 0;\n  color:var(--z-muted);\n  font-size:.9rem;\n  line-height:1.55;\n}<\/p>\n<p>.zobai-sv-page .zobai-cta{\n  max-width:900px;\n  margin:42px 0 0;\n  padding:26px;\n  border-radius:var(--z-radius-lg);\n  background:var(--z-primary-dark);\n  color:#fff;\n  box-shadow:var(--z-shadow);\n}<\/p>\n<p>.zobai-sv-page .zobai-cta p{\n  max-width:760px;\n  margin:0 0 14px;\n}<\/p>\n<p>.zobai-sv-page .zobai-cta p:last-child{\n  margin-bottom:0;\n}<\/p>\n<p>.zobai-sv-page .zobai-cta strong{\n  color:#fff;\n}<\/p>\n<p>.zobai-sv-page .zobai-btn{\n  display:inline-flex;\n  align-items:center;\n  justify-content:center;\n  min-height:44px;\n  padding:10px 18px;\n  border-radius:999px;\n  background:#fff;\n  color:var(--z-primary-dark);\n  font-weight:700;\n  line-height:1.3;\n  text-decoration:none;\n}<\/p>\n<p>.zobai-sv-page .zobai-btn:hover{\n  text-decoration:underline;\n}<\/p>\n<p>.zobai-sv-page .zobai-btn:focus-visible{\n  outline:3px solid rgba(255,255,255,.6);\n  outline-offset:3px;\n}<\/p>\n<p>@media (max-width:767px){\n  .zobai-sv-page{\n    padding:0 18px 36px;\n    font-size:15.5px;\n    line-height:1.68;\n  }<\/p>\n<p>  .zobai-sv-page .zobai-hero{\n    padding-top:26px;\n    padding-bottom:18px;\n    margin-bottom:28px;\n  }<\/p>\n<p>  .zobai-sv-page .zobai-lead{\n    font-size:1.08rem;\n  }<\/p>\n<p>  .zobai-sv-page h2{\n    margin-top:38px;\n    margin-bottom:16px;\n    font-size:clamp(1.42rem,7vw,1.72rem);\n  }<\/p>\n<p>  .zobai-sv-page h3{\n    margin-top:28px;\n    font-size:1.16rem;\n  }<\/p>\n<p>  .zobai-sv-page .zobai-rule,\n  .zobai-sv-page .zobai-boundary{\n    padding:17px 18px;\n  }<\/p>\n<p>  .zobai-sv-page .zobai-table{\n    min-width:680px;\n  }<\/p>\n<p>  .zobai-sv-page .zobai-table th,\n  .zobai-sv-page .zobai-table td{\n    padding:12px 13px;\n  }<\/p>\n<p>  .zobai-sv-page .zobai-placeholder-box{\n    min-height:200px;\n    padding:20px;\n  }<\/p>\n<p>  .zobai-sv-page .zobai-figure-note{\n    font-size:.88rem;\n  }<\/p>\n<p>  .zobai-sv-page .zobai-cta{\n    padding:22px 20px;\n  }<\/p>\n<p>  .zobai-sv-page .zobai-btn{\n    width:100%;\n  }\n}<\/p>\n<p>@media (max-width:420px){\n  .zobai-sv-page{\n    padding-left:16px;\n    padding-right:16px;\n  }<\/p>\n<p>  .zobai-sv-page .zobai-placeholder-box{\n    min-height:190px;\n    aspect-ratio:auto;\n  }<\/p>\n<p>  .zobai-sv-page .zobai-table{\n    min-width:640px;\n  }\n}\n<\/style>\n<article class=\"zobai-sv-page\">\n<header class=\"zobai-hero\">\n<p class=\"zobai-eyebrow\">\u0647\u0646\u062f\u0633\u0629 \u0635\u0645\u0627\u0645 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\u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u062d\u0631\u0627\u0631\u0629 \u0643\u0627\u0641\u064a\u0629 \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0644\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0648\u0633\u064a\u0637 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0641\u064a \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629\u060c \u0645\u0639 \u0628\u0642\u0627\u0621 \u0627\u0644\u063a\u0644\u0627\u0641 \u0648\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0635\u0645\u0627\u0645 \u0648\u0633\u0627\u0626\u0644 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0636\u0645\u0646 \u0627\u0644\u062d\u062f\u0648\u062f \u0627\u0644\u0645\u0639\u062a\u0645\u062f\u0629. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u063a\u0644\u0627\u0641 \u0627\u0644\u0645\u0633\u062e\u0646 \u0628\u0627\u0644\u0628\u062e\u0627\u0631\u060c \u064a\u0639\u0646\u064a \u0630\u0644\u0643 \u0645\u0631\u0627\u0639\u0627\u0629 \u062d\u0627\u0644\u0629 \u0627\u0644\u0628\u062e\u0627\u0631 \u0627\u0644\u0641\u0639\u0644\u064a\u0629 \u0639\u0646\u062f \u0627\u0644\u063a\u0644\u0627\u0641 \u0645\u0639 \u0627\u0644\u062a\u0643\u062b\u0641 \u0648\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0645\u0643\u062b\u0641\u0627\u062a. \u0623\u0645\u0627 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0648\u0633\u064a\u0637 \u062a\u0633\u062e\u064a\u0646 \u0633\u0627\u0626\u0644 \u0645\u062a\u062f\u0627\u0648\u0644\u060c \u0641\u0625\u0646 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0644\u062a\u062f\u0648\u064a\u0631 \u0648\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0633\u0627\u0626\u0644 \u062a\u0635\u0628\u062d \u062c\u0632\u0621\u0627\u064b \u0645\u0646 \u0627\u0644\u0635\u0648\u0631\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629.<\/p>\n<p>\u0623\u0648\u0644 \u062e\u0637\u0623 \u0641\u064a \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u064a\u062c\u0628 \u062a\u062c\u0646\u0628\u0647 \u0647\u0648 \u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u062b\u0644\u0627\u062b \u0643\u0645\u064a\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u0629 \u0643\u0645\u0627 \u0644\u0648 \u0643\u0627\u0646\u062a \u0645\u062a\u0645\u0627\u062b\u0644\u0629: <strong>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0648\u0633\u064a\u0637 \u0627\u0644\u0639\u0645\u0644\u064a\u0629\u060c \u0648\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0648\u0633\u064a\u0637 \u0627\u0644\u062a\u0633\u062e\u064a\u0646\u060c \u0648\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0646\u0641\u064a\u0633<\/strong>. \u0625\u0646\u0647\u0627 \u062a\u0646\u062a\u0645\u064a \u0625\u0644\u0649 \u0623\u0633\u0626\u0644\u0629 \u0647\u0646\u062f\u0633\u064a\u0629 \u0645\u062e\u062a\u0644\u0641\u0629. \u0627\u0644\u063a\u0644\u0627\u0641 \u0639\u0628\u0627\u0631\u0629 \u0639\u0646 \u062f\u0627\u0626\u0631\u0629 \u0645\u0631\u0627\u0641\u0642 \u062d\u0631\u0627\u0631\u064a\u0629 \u0645\u0646\u0641\u0635\u0644\u0629. \u0641\u0647\u0648 \u064a\u0633\u0627\u0639\u062f \u0641\u064a \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0644\u0648\u0633\u064a\u0637 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u062d\u0648\u0644 \u062c\u0633\u0645 \u0627\u0644\u0635\u0645\u0627\u0645 \u0648\u0645\u0645\u0631 \u0627\u0644\u062a\u062f\u0641\u0642\u061b \u0644\u0643\u0646\u0647 \u0644\u0627 \u064a\u062d\u062f\u062f \u0636\u063a\u0637 \u0636\u0628\u0637 \u0635\u0645\u0627\u0645 \u0627\u0644\u0623\u0645\u0627\u0646\u060c \u0648\u0644\u0627 \u0633\u0639\u0629 \u0627\u0644\u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629\u060c \u0648\u0644\u0627 \u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u0645\u0639\u062a\u0645\u062f\u0629.<\/p>\n<\/header>\n<section id=\"separate-heating-circuit\">\n<h2>\u0638\u0631\u0648\u0641 \u0648\u0633\u0637 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0644\u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0623\u0645\u0627\u0646 \u0627\u0644\u0645\u0632\u0648\u062f\u0629 \u0628\u063a\u0644\u0627\u0641<\/h2>\n<p>A <a href=\"https:\/\/zobai.com\/ar\/safety-valves\/jacketed-safety-valves\/\">\u0635\u0645\u0627\u0645 \u0623\u0645\u0627\u0646 \u0645\u0632\u0648\u062f \u0628\u063a\u0644\u0627\u0641<\/a> \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0648\u0638\u064a\u0641\u062a\u064a\u0646 \u064a\u062c\u0628 \u062a\u062d\u062f\u064a\u062f\u0647\u0645\u0627 \u0628\u0634\u0643\u0644 \u0645\u0646\u0641\u0635\u0644. \u064a\u062d\u0645\u0644 \u062c\u0627\u0646\u0628 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0648\u0633\u064a\u0637 \u0627\u0644\u0645\u062d\u0645\u064a \u0639\u0628\u0631 \u0635\u0645\u0627\u0645 \u0627\u0644\u0623\u0645\u0627\u0646. \u0648\u064a\u062d\u0645\u0644 \u062c\u0627\u0646\u0628 \u0627\u0644\u063a\u0644\u0627\u0641 \u0648\u0633\u064a\u0637 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u062d\u0648\u0644 \u0645\u0646\u0637\u0642\u0629 \u0645\u0646 \u062c\u0633\u0645 \u0627\u0644\u0635\u0645\u0627\u0645 \u062a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u062a\u0643\u064a\u064a\u0641 \u062d\u0631\u0627\u0631\u064a.<\/p>\n<p>\u0647\u0630\u0627 \u0627\u0644\u062a\u0645\u064a\u064a\u0632 \u0645\u0647\u0645 \u0644\u0623\u0646 \u0643\u0644 \u062c\u0627\u0646\u0628 \u0644\u0647 \u0645\u062f\u062e\u0644\u0627\u062a \u0647\u0646\u062f\u0633\u064a\u0629 \u0645\u062e\u062a\u0644\u0641\u0629. \u0641\u064a \u062c\u0627\u0646\u0628 \u0627\u0644\u0639\u0645\u0644\u064a\u0629\u060c \u064a\u0647\u062a\u0645 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0628\u0627\u0644\u0648\u0633\u064a\u0637 \u0627\u0644\u0645\u062d\u0645\u064a\u060c \u0648\u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u0627\u0644\u062a\u0646\u0641\u064a\u0633\u060c \u0648\u0636\u063a\u0637 \u0627\u0644\u0636\u0628\u0637\u060c \u0648\u0633\u0639\u0629 \u0627\u0644\u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629\u060c \u0648\u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u062e\u0644\u0641\u064a\u060c \u0648\u0627\u0644\u0645\u0648\u0627\u062f\u060c \u0648\u0633\u064a\u0646\u0627\u0631\u064a\u0648 \u0627\u0644\u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u062d\u0627\u0643\u0645. \u0623\u0645\u0627 \u0641\u064a \u062c\u0627\u0646\u0628 \u0627\u0644\u063a\u0644\u0627\u0641\u060c \u0641\u062a\u062f\u0648\u0631 \u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u062d\u0648\u0644 \u0648\u0633\u064a\u0637 \u0627\u0644\u062a\u0633\u062e\u064a\u0646\u060c \u0648\u062d\u0627\u0644\u0629 \u062a\u063a\u0630\u064a\u062a\u0647\u060c \u0648\u0643\u064a\u0641\u064a\u0629 \u0639\u0648\u062f\u062a\u0647 \u0623\u0648 \u062a\u0635\u0631\u064a\u0641\u0647\u060c \u0648\u0645\u062f\u0649 \u0627\u0646\u062a\u0638\u0627\u0645 \u062a\u062f\u0648\u064a\u0631\u0647\u060c \u0648\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u063a\u0644\u0627\u0641 \u0648\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0635\u0645\u0627\u0645 \u064a\u062a\u062d\u0645\u0644\u0627\u0646 \u062a\u0644\u0643 \u0627\u0644\u0638\u0631\u0648\u0641.<\/p>\n<p>\u064a\u0648\u0636\u062d \u0643\u062a\u0627\u0644\u0648\u062c \u0645\u0646\u062a\u062c ZBNJ \u0627\u0644\u062d\u0627\u0644\u064a \u0645\u0646 ZOBAI \u0647\u0630\u0627 \u0627\u0644\u0641\u0635\u0644 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631. \u062a\u0638\u0647\u0631 \u0633\u0644\u0633\u0644\u0629 ZBNJ \u0628\u063a\u0644\u0627\u0641 \u0623\u0648 \u0637\u0628\u0642\u0629 \u0648\u0633\u064a\u0637\u0629 \u062d\u0648\u0644 \u0627\u0644\u0635\u0645\u0627\u0645 \u0645\u0639 \u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0645\u0646\u0641\u0635\u0644\u0629 \u0644\u062a\u062f\u0648\u064a\u0631 \u0627\u0644\u0628\u062e\u0627\u0631\u061b \u0643\u0645\u0627 \u064a\u062d\u062f\u062f \u0627\u0644\u0643\u062a\u0627\u0644\u0648\u062c \u062a\u0631\u062a\u064a\u0628\u0627\u064b \u0627\u062e\u062a\u064a\u0627\u0631\u064a\u0627\u064b \u0644\u0644\u063a\u0633\u0644 \u0627\u0644\u0645\u0632\u062f\u0648\u062c \u0628\u0627\u0644\u0628\u062e\u0627\u0631. \u062a\u062d\u062f\u062f \u0647\u0630\u0647 \u0627\u0644\u0645\u064a\u0632\u0627\u062a \u0627\u0644\u062f\u0644\u064a\u0644 \u0627\u0644\u062d\u0627\u0644\u064a \u0644\u0639\u0627\u0626\u0644\u0629 \u0627\u0644\u0645\u0646\u062a\u062c \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u063a\u0644\u0627\u0641 \u0627\u0644\u0645\u0633\u062e\u0646 \u0628\u0627\u0644\u0628\u062e\u0627\u0631\u060c \u0644\u0643\u0646\u0647\u0627 \u0644\u0627 \u062a\u062d\u062f\u062f \u062a\u0635\u0646\u064a\u0641\u0627\u064b \u0639\u0627\u0644\u0645\u064a\u0627\u064b \u0644\u0636\u063a\u0637 \u0623\u0648 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0644\u0627\u0641 \u0644\u0643\u0644 \u062a\u0643\u0648\u064a\u0646 \u0645\u0646 \u062a\u0643\u0648\u064a\u0646\u0627\u062a ZBNJ.<\/p>\n<p>\u0644\u0647\u0630\u0627 \u0627\u0644\u0633\u0628\u0628 \u0644\u0627 \u064a\u0646\u0628\u063a\u064a \u0646\u0633\u062e \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0648\u0633\u064a\u0637 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0645\u0646 \u062c\u062f\u0648\u0644 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u062c\u0627\u0646\u0628 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0623\u0648 \u0636\u063a\u0637 \u0627\u0644\u0636\u0628\u0637 \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u0635\u0645\u0627\u0645. \u0641\u062d\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0645\u062f\u062e\u0644 \u0627\u0644\u0639\u0645\u0644\u064a\u0629\u060c \u0648\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0645\u0631\u0627\u0641\u0642 \u0627\u0644\u063a\u0644\u0627\u0641\u060c \u0648\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0646\u0641\u064a\u0633 \u0643\u0645\u064a\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u0629 \u0644\u0647\u0627 \u0645\u0639\u0627\u0646\u064d \u0647\u0646\u062f\u0633\u064a\u0629 \u0645\u062e\u062a\u0644\u0641\u0629.<\/p>\n<figure class=\"zobai-figure\" data-image-status=\"complete\" data-upload-status=\"final-upload-verified\" data-image-slot=\"image-01-process-vs-jacket-circuit\">\n  <img loading=\"lazy\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/jacketed-safety-valve-process-utility-circuits.webp\" alt=\"Heating medium conditions for a jacketed safety valve shown in a utility circuit separate from the protected process relief path.\" title=\"How Heating Medium Conditions Affect Jacketed Safety Valves - Engineering Diagram 1\" width=\"1200\" height=\"900\" class=\"wp-image-57117\" decoding=\"async\" srcset=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/jacketed-safety-valve-process-utility-circuits.webp 1200w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/jacketed-safety-valve-process-utility-circuits-300x225.webp 300w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/jacketed-safety-valve-process-utility-circuits-1024x768.webp 1024w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/jacketed-safety-valve-process-utility-circuits-768x576.webp 768w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/jacketed-safety-valve-process-utility-circuits-16x12.webp 16w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/jacketed-safety-valve-process-utility-circuits-400x300.webp 400w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption>\u0645\u0633\u0627\u0631 \u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0648\u062f\u0627\u0626\u0631\u0629 \u0645\u0631\u0627\u0641\u0642 \u0627\u0644\u063a\u0644\u0627\u0641 \u0646\u0638\u0627\u0645\u0627\u0646 \u0645\u0646\u0641\u0635\u0644\u0627\u0646 \u0644\u0647\u0645\u0627 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0645\u062e\u062a\u0644\u0641\u0629 \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u0636\u063a\u0637 \u0648\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0644\u062a\u062d\u0642\u0642.<\/figcaption><\/figure>\n<\/section>\n<section id=\"define-thermal-objective\">\n<h2>\u062d\u062f\u062f \u0627\u0644\u0647\u062f\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0642\u0628\u0644 \u0627\u062e\u062a\u064a\u0627\u0631 \u0648\u0633\u064a\u0637 \u0627\u0644\u062a\u0633\u062e\u064a\u0646<\/h2>\n<p>\u0646\u0642\u0637\u0629 \u0627\u0644\u0628\u062f\u0627\u064a\u0629 \u0627\u0644\u0635\u062d\u064a\u062d\u0629 \u0644\u064a\u0633\u062a: \u201c\u0645\u0627 \u0636\u063a\u0637 \u0627\u0644\u0628\u062e\u0627\u0631 \u0627\u0644\u0630\u064a \u064a\u062c\u0628 \u0623\u0646 \u0623\u0633\u062a\u062e\u062f\u0645\u0647\u061f\u201d \u0628\u0644: \u201c\u0645\u0627 \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0623\u0646 \u064a\u062d\u0627\u0641\u0638 \u0639\u0644\u064a\u0647\u0627 \u0648\u0633\u064a\u0637 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0639\u0646\u062f \u0627\u0644\u0635\u0645\u0627\u0645\u061f\u201d<\/p>\n<p>\u062a\u0643\u0648\u0646 \u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u063a\u0644\u0627\u0641 \u0627\u0644\u062c\u0627\u0643\u064a\u062a \u0623\u0643\u062b\u0631 \u0623\u0647\u0645\u064a\u0629 \u0639\u0646\u062f\u0645\u0627 \u064a\u0624\u062f\u064a \u0627\u0644\u062a\u0628\u0631\u064a\u062f \u0625\u0644\u0649 \u062a\u063a\u064a\u064a\u0631 \u062c\u0648\u0647\u0631\u064a \u0641\u064a \u0633\u0644\u0648\u0643 \u0627\u0644\u0645\u0627\u0626\u0639 \u0627\u0644\u0639\u0645\u0644\u064a\u0629. \u0648\u0627\u0639\u062a\u0645\u0627\u062f\u064b\u0627 \u0639\u0644\u0649 \u0627\u0644\u062e\u062f\u0645\u0629\u060c \u0642\u062f \u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u0634\u0643\u0644\u0629 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u0644\u0632\u0648\u062c\u0629\u060c \u0623\u0648 \u0627\u0644\u062a\u0628\u0644\u0648\u0631\u060c \u0623\u0648 \u062a\u0643\u0648\u0651\u0646 \u0627\u0644\u0634\u0645\u0639\u060c \u0623\u0648 \u0627\u0644\u062a\u0635\u0644\u0628\u060c \u0623\u0648 \u0623\u064a \u062a\u063a\u064a\u064a\u0631 \u0622\u062e\u0631 \u064a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u064a\u062c\u0639\u0644 \u0627\u0644\u0645\u0627\u0626\u0639 \u0623\u0635\u0639\u0628 \u0641\u064a \u0627\u0644\u062d\u0631\u0643\u0629 \u0639\u0628\u0631 \u0645\u0633\u0627\u0631 \u0627\u0644\u062a\u0646\u0641\u064a\u0633.<\/p>\n<p>\u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a \u0641\u0625\u0646 \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u062a\u0646\u0628\u0639 \u0645\u0646 \u0627\u0644\u0645\u0627\u0626\u0639 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0648\u0633\u064a\u0646\u0627\u0631\u064a\u0648 \u0627\u0644\u062a\u0634\u063a\u064a\u0644. \u0648\u064a\u0646\u0628\u063a\u064a \u0644\u0644\u0645\u0647\u0646\u062f\u0633 \u0623\u0646 \u064a\u0639\u0631\u0641\u060c \u062d\u0633\u0628 \u0627\u0644\u0627\u0642\u062a\u0636\u0627\u0621\u060c \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629\u060c \u0648\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u064a \u064a\u0635\u0628\u062d \u0627\u0644\u0645\u0627\u0626\u0639 \u0639\u0646\u062f\u0647\u0627 \u0635\u0639\u0628 \u0627\u0644\u062a\u0639\u0627\u0645\u0644\u060c \u0648\u0627\u062a\u062c\u0627\u0647 \u0644\u0632\u0648\u062c\u062a\u0647\u060c \u0648\u0633\u0644\u0648\u0643 \u0627\u0644\u062a\u0635\u0644\u0628 \u0623\u0648 \u0627\u0644\u062a\u0628\u0644\u0648\u0631\u060c \u0648\u0627\u0644\u062a\u0639\u0631\u0651\u0636 \u0644\u0644\u0628\u064a\u0626\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629\u060c \u0648\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0639\u0632\u0644.<\/p>\n<p>\u0642\u062f \u062a\u062e\u062a\u0644\u0641 \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u062d\u0627\u0643\u0645\u0629 \u0623\u064a\u0636\u064b\u0627 \u0628\u064a\u0646 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0637\u0628\u064a\u0639\u064a \u0648\u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u0623\u062e\u0631\u0649. \u0641\u062c\u0633\u0645 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0630\u064a \u064a\u0628\u0642\u0649 \u062f\u0627\u0641\u0626\u064b\u0627 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0644\u0644\u0639\u0645\u0644\u064a\u0629 \u0642\u062f \u064a\u0628\u0631\u062f \u062e\u0644\u0627\u0644 \u0641\u062a\u0631\u0629 \u062a\u0648\u0642\u0641 \u0637\u0648\u064a\u0644\u0629\u060c \u0623\u0648 \u0628\u062f\u0621 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u060c \u0623\u0648 \u0627\u0644\u0625\u064a\u0642\u0627\u0641\u060c \u0623\u0648 \u0627\u0644\u0641\u0642\u062f \u0627\u0644\u0645\u0624\u0642\u062a \u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u062a\u0633\u062e\u064a\u0646. \u0648\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0645\u0647\u0645\u0629 \u064a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0641\u0639\u0644\u064a\u0629. \u0648\u0644\u0627 \u064a\u0646\u0628\u063a\u064a \u062a\u062d\u0648\u064a\u0644\u0647\u0627 \u0625\u0644\u0649 \u0642\u0627\u0639\u062f\u0629 \u0639\u0627\u0645\u0629 \u0644\u062a\u062d\u062f\u064a\u062f \u0645\u0642\u0627\u0633 \u0627\u0644\u063a\u0644\u0627\u0641 \u0627\u0644\u062c\u0627\u0643\u064a\u062a.<\/p>\n<p>\u064a\u0648\u0636\u062d \u0645\u062b\u0627\u0644 \u062a\u0645\u062b\u064a\u0644\u064a \u0647\u0630\u0647 \u0627\u0644\u0646\u0642\u0637\u0629. \u0644\u0646\u0623\u062e\u0630 \u0645\u0627\u0626\u0639\u064b\u0627 \u0639\u0645\u0644\u064a\u0629 \u064a\u0628\u0642\u0649 \u0633\u0627\u0626\u0644\u064b\u0627 \u0645\u062a\u062d\u0631\u0643\u064b\u0627 \u0639\u0646\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u062a\u0634\u063a\u064a\u0644\u0647 \u0627\u0644\u0637\u0628\u064a\u0639\u064a\u0629 \u0644\u0643\u0646\u0647 \u064a\u0635\u0628\u062d \u062a\u062f\u0631\u064a\u062c\u064a\u064b\u0627 \u0623\u0643\u062b\u0631 \u0644\u0632\u0648\u062c\u0629 \u0645\u0639 \u0628\u0631\u0648\u062f\u062a\u0647. \u0641\u0637\u0627\u0644\u0645\u0627 \u064a\u0635\u0644 \u0627\u0644\u0645\u0627\u0626\u0639 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0633\u0627\u062e\u0646 \u0628\u0627\u0633\u062a\u0645\u0631\u0627\u0631 \u0625\u0644\u0649 \u0648\u0635\u0644\u0629 \u0627\u0644\u0635\u0645\u0627\u0645\u060c \u0642\u062f \u062a\u0628\u062f\u0648 \u0627\u0644\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u062d\u0631\u0627\u0631\u0629 \u0645\u0633\u0627\u0639\u062f\u0629 \u0642\u0644\u064a\u0644\u0629. \u0644\u0643\u0646 \u062e\u0644\u0627\u0644 \u0641\u062a\u0631\u0629 \u062a\u0648\u0642\u0641 \u0645\u0645\u062a\u062f\u0629\u060c \u0642\u062f \u064a\u0628\u0631\u062f \u0627\u0644\u0645\u0627\u0626\u0639 \u0627\u0644\u0645\u062d\u062a\u062c\u0632 \u0623\u0648 \u0628\u0637\u064a\u0621 \u0627\u0644\u062d\u0631\u0643\u0629 \u062d\u0648\u0644 \u0627\u0644\u0635\u0645\u0627\u0645 \u0646\u062d\u0648 \u0638\u0631\u0648\u0641 \u0627\u0644\u0628\u064a\u0626\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629. \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a \u062a\u064f\u062d\u062f\u064e\u0651\u062f \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0628\u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0627\u0626\u0639 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u064a\u0647\u0627\u2014\u0648\u0644\u064a\u0633 \u0628\u062a\u0641\u0636\u064a\u0644 \u0639\u0634\u0648\u0627\u0626\u064a \u0644\u063a\u0644\u0627\u0641 \u062c\u0627\u0643\u064a\u062a \u0623\u0643\u062b\u0631 \u0633\u062e\u0648\u0646\u0629.<\/p>\n<div class=\"zobai-rule\">\n<p><strong>\u062d\u062f\u0650\u0651\u062f \u0623\u0648\u0644\u064b\u0627 \u0627\u0644\u0645\u062a\u0637\u0644\u0628 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0645\u0646 \u062c\u0647\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629. \u062b\u0645 \u062d\u062f\u0650\u0651\u062f \u062d\u0627\u0644\u0629 \u062e\u062f\u0645\u0629 \u0627\u0644\u063a\u0644\u0627\u0641 \u0627\u0644\u062c\u0627\u0643\u064a\u062a \u0627\u0644\u0644\u0627\u0632\u0645\u0629 \u0644\u062f\u0639\u0645\u0647.<\/strong><\/p>\n<\/div>\n<\/section>\n<section id=\"heating-medium-temperature-pressure\">\n<h2>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0648\u0636\u063a\u0637 \u0648\u0633\u064a\u0637 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u064a\u062d\u062f\u062f\u0627\u0646 \u062d\u0627\u0644\u0629 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0645\u062a\u0627\u062d\u0629<\/h2>\n<p>\u0628\u0639\u062f \u0641\u0647\u0645 \u0627\u0644\u0647\u062f\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u060c \u064a\u0645\u0643\u0646 \u062a\u0642\u064a\u064a\u0645 \u0648\u0633\u064a\u0637 \u0627\u0644\u062a\u0633\u062e\u064a\u0646. \u0641\u0637\u0628\u064a\u0639\u062a\u0647 \u0645\u0647\u0645\u0629 \u0644\u0623\u0646 \u0627\u0644\u0648\u0633\u0627\u0626\u0637 \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629 \u062a\u0646\u0642\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0628\u0637\u0631\u0642 \u0645\u062e\u062a\u0644\u0641\u0629.<\/p>\n<h3>\u0638\u0631\u0648\u0641 \u0627\u0644\u0628\u062e\u0627\u0631<\/h3>\n<p>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0628\u062e\u0627\u0631 \u0627\u0644\u0645\u0634\u0628\u0639\u060c \u064a\u0631\u062a\u0628\u0637 \u0627\u0644\u0636\u063a\u0637 \u0648\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u0628\u0639. \u0641\u0627\u0644\u0628\u062e\u0627\u0631 \u0627\u0644\u062f\u0627\u062e\u0644 \u0625\u0644\u0649 \u063a\u0644\u0627\u0641 \u062a\u0633\u062e\u064a\u0646 \u0623\u0628\u0631\u062f \u0642\u062f \u064a\u062a\u0643\u062b\u0641 \u0648\u064a\u0637\u0644\u0642 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0643\u0627\u0645\u0646\u0629 \u0625\u0644\u0649 \u062c\u062f\u0627\u0631 \u0627\u0644\u063a\u0644\u0627\u0641. \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a \u0641\u0625\u0646 \u062d\u0627\u0644\u0629 \u0627\u0644\u0628\u062e\u0627\u0631 \u0627\u0644\u0645\u062a\u062d\u0642\u0642\u0629 \u0641\u0639\u0644\u064a\u064b\u0627 \u0641\u064a \u0627\u0644\u063a\u0644\u0627\u0641 \u062a\u0647\u0645 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0645\u062a\u0627\u062d\u0629 \u0648\u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u0629.<\/p>\n<p>\u0648\u0644\u0647\u0630\u0627 \u0641\u0625\u0646 \u062a\u062d\u062f\u064a\u062f \u0636\u063a\u0637 \u062e\u0637 \u0627\u0644\u0628\u062e\u0627\u0631 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0641\u0642\u0637 \u0642\u062f \u064a\u0643\u0648\u0646 \u063a\u064a\u0631 \u0643\u0627\u0641\u064d. \u0641\u0642\u062f \u062a\u062c\u0639\u0644 \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062a\u062d\u0643\u0645\u060c \u0648\u0641\u0642\u062f \u0627\u0644\u0636\u063a\u0637\u060c \u0648\u0638\u0631\u0648\u0641 \u0627\u0644\u0631\u062c\u0648\u0639\u060c \u0648\u062d\u0627\u0644\u0629 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u063a\u0644\u0627\u0641\u060c \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0641\u0639\u0644\u064a\u0629 \u0639\u0646\u062f \u0627\u0644\u0635\u0645\u0627\u0645 \u0645\u062e\u062a\u0644\u0641\u0629 \u0639\u0646 \u062d\u0627\u0644\u0629 \u0627\u0644\u062e\u0637 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0627\u0644\u0627\u0633\u0645\u064a\u0629.<\/p>\n<p>\u0643\u0645\u0627 \u0623\u0646 \u062d\u0627\u0644\u0629 \u0627\u0644\u0628\u062e\u0627\u0631 \u0645\u0647\u0645\u0629. \u0641\u0644\u0627 \u064a\u0646\u0628\u063a\u064a \u062a\u0644\u0642\u0627\u0626\u064a\u064b\u0627 \u0645\u0639\u0627\u0645\u0644\u0629 \u0627\u0644\u0628\u062e\u0627\u0631 \u0627\u0644\u0645\u062d\u0645\u0635 \u0639\u0644\u0649 \u0623\u0646\u0647 \u0645\u0643\u0627\u0641\u0626 \u062d\u0631\u0627\u0631\u064a\u064b\u0627 \u0644\u0644\u0628\u062e\u0627\u0631 \u0627\u0644\u0645\u0634\u0628\u0639 \u0627\u0644\u0645\u062a\u0643\u062b\u0641 \u0639\u0646\u062f \u0646\u0641\u0633 \u0627\u0644\u0648\u0635\u0641 \u0627\u0644\u0627\u0633\u0645\u064a. \u0644\u0630\u0644\u0643 \u064a\u0646\u0628\u063a\u064a \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u063a\u0644\u0627\u0641 \u0627\u0644\u0645\u0633\u062e\u0646 \u0628\u0627\u0644\u0628\u062e\u0627\u0631 \u0628\u0645\u0635\u0637\u0644\u062d\u0627\u062a \u062a\u0633\u0645\u062d \u0628\u0641\u0647\u0645 \u062d\u0627\u0644\u0629 \u0627\u0644\u0648\u0633\u064a\u0637 \u0627\u0644\u0641\u0639\u0644\u064a\u0629 \u0639\u0646\u062f \u0627\u0644\u063a\u0644\u0627\u0641 \u0628\u062f\u0644\u064b\u0627 \u0645\u0646 \u0627\u062e\u062a\u0635\u0627\u0631\u0647\u0627 \u0625\u0644\u0649 \u0631\u0642\u0645 \u0636\u063a\u0637 \u0648\u0627\u062d\u062f.<\/p>\n<p>\u0644\u0627 \u064a\u0648\u062c\u062f \u0636\u063a\u0637 \u0628\u062e\u0627\u0631 \u0639\u0627\u0645 \u064a\u0645\u0643\u0646 \u0627\u0644\u062f\u0641\u0627\u0639 \u0639\u0646\u0647 \u0644\u062c\u0645\u064a\u0639 \u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0623\u0645\u0627\u0646 \u0627\u0644\u0645\u0632\u0648\u062f\u0629 \u0628\u063a\u0644\u0627\u0641 \u062c\u0627\u0643\u064a\u062a. \u0641\u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u062a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629\u060c \u0648\u0645\u0633\u0627\u0631 \u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u0629\u060c \u0648\u0641\u0642\u062f \u0627\u0644\u0628\u064a\u0626\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629\u060c \u0648\u0628\u0646\u0627\u0621 \u0627\u0644\u063a\u0644\u0627\u0641\u060c \u0648\u0627\u0644\u062d\u062f\u0648\u062f \u0627\u0644\u0645\u0633\u0645\u0648\u062d \u0628\u0647\u0627 \u0644\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u062e\u062a\u0627\u0631.<\/p>\n<h3>Hot water or heat-transfer-fluid conditions<\/h3>\n<p>A circulating liquid heating system follows a different mechanism. There is no steam-condensation cycle supplying latent heat in the jacket. The available bulk temperature of the heating fluid, its circulation, its physical properties, and the temperature drop through the circuit all influence heat delivery.<\/p>\n<p>This makes circulation a first-order design input. A heating-fluid supply temperature can look adequate on a datasheet while the actual jacket underperforms because circulation is insufficient or the return condition is not what the design assumed.<\/p>\n<p>Some jacketed safety-valve designs from other manufacturers permit heat-transfer oil or other heating liquids. That general engineering fact should not be converted into a ZOBAI product claim. Current ZOBAI ZBNJ evidence confirms circulated steam; the use of thermal oil, hot water, or another heating medium for a particular ZBNJ valve remains subject to product confirmation.<\/p>\n<div class=\"zobai-rule\">\n<p><strong>What thermal condition does this utility establish in the jacket under the actual operating and return conditions?<\/strong><\/p>\n<\/div>\n<\/section>\n<section id=\"supply-return-drainage-control\">\n<h2>Supply, Return, Drainage, and Control Decide Whether Heat Is Actually Delivered<\/h2>\n<p>Heating-medium supply data describe only one end of the system. Actual heat transfer depends on whether the utility can move through the jacket and leave it in the intended condition.<\/p>\n<p>For a steam-heated jacket, steam must reach the heat-transfer surface and the resulting condensate must be removed appropriately. If condensate accumulates, the effective steam-side heat-transfer condition can deteriorate. A steam jacket can therefore have an apparently adequate supply condition while still heating poorly because the condensate side of the circuit is not functioning as intended.<\/p>\n<p>This is one reason jacket specifications should distinguish the steam supply from the return or drainage condition. The relevant engineering questions include:<\/p>\n<ul>\n<li>What steam condition reaches the jacket?<\/li>\n<li>Can condensate leave the jacket as intended?<\/li>\n<li>Is the return pressure compatible with effective drainage?<\/li>\n<li>How is the heating condition controlled?<\/li>\n<li>What happens during startup, shutdown, or loss of the steam supply?<\/li>\n<\/ul>\n<p>These questions do not imply a universal steam-trap arrangement or a fixed condensate-back-pressure limit. Those decisions belong to the actual utility-system design and the selected valve&#8217;s installation requirements.<\/p>\n<p>The equivalent issue for a liquid heating medium is circulation. The engineer needs to know whether sufficient heating fluid passes through the jacket to maintain the intended thermal condition. Supply temperature without circulation information is not a complete description of the heating duty.<\/p>\n<p>Control philosophy also matters. A jacket that receives uncontrolled maximum-temperature utility whenever the plant header is available may not provide the same process result as a jacket whose heating condition is regulated around a defined thermal objective.<\/p>\n<p>The broader lesson is straightforward: <strong>nominal supply temperature is not the same as demonstrated jacket performance.<\/strong><\/p>\n<figure class=\"zobai-figure\" data-image-status=\"complete\" data-upload-status=\"final-upload-verified\" data-image-slot=\"image-02-steam-supply-condensate-return\">\n  <img loading=\"lazy\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/jacketed-safety-valve-steam-condensate-circuit.webp\" alt=\"Conceptual steam-jacket circuit showing steam supply, condensation around a safety valve and condensate return separate from the process path.\" title=\"How Heating Medium Conditions Affect Jacketed Safety Valves - Engineering Diagram 2\" width=\"1200\" height=\"900\" class=\"wp-image-57118\" decoding=\"async\" srcset=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/jacketed-safety-valve-steam-condensate-circuit.webp 1200w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/jacketed-safety-valve-steam-condensate-circuit-300x225.webp 300w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/jacketed-safety-valve-steam-condensate-circuit-1024x768.webp 1024w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/jacketed-safety-valve-steam-condensate-circuit-768x576.webp 768w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/jacketed-safety-valve-steam-condensate-circuit-16x12.webp 16w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/09\/jacketed-safety-valve-steam-condensate-circuit-400x300.webp 400w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption>Useful jacket heating depends on the complete steam and condensate circuit, including supply, drainage, return and control rather than nominal header temperature alone.<\/figcaption><\/figure>\n<\/section>\n<section id=\"heating-failure-boundaries\">\n<h2>Too Little Heat and Unsuitable Heating Create Different Failure Boundaries<\/h2>\n<p>A useful jacket specification has to consider both sides of the thermal boundary.<\/p>\n<p>When a process medium becomes more viscous, crystallizes, or solidifies as it cools, inadequate jacket heating can allow material in the valve passage or nozzle region to move toward that unfavorable condition. The practical consequence can range from increased resistance or deposits to restriction of the relief path or impaired valve movement, depending on the medium, geometry, degree of cooling, and valve condition.<\/p>\n<p>The evidence supports this directional relationship, but not a universal numerical penalty. It would be inappropriate to state that a given reduction in jacket temperature produces a fixed loss of relieving capacity, or that insufficient heating will always cause the valve to fail to open. Those outcomes require service-specific evidence.<\/p>\n<p>The opposite assumption is also unsafe: more heat is not automatically better.<\/p>\n<p>Once the process medium has been kept within its required thermal condition, additional heating may offer no useful benefit. The heating condition still has to remain compatible with:<\/p>\n<ul>\n<li>\u0627\u0644\u0648\u0633\u0637 \u0627\u0644\u0639\u0645\u0644\u064a\u0629\u061b;<\/li>\n<li>\u062d\u062f\u0648\u062f \u0636\u063a\u0637 \u0648\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0644\u0627\u0641\u061b;<\/li>\n<li>\u0633\u0627\u0626\u0644 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0646\u0641\u0633\u0647\u061b;<\/li>\n<li>\u0645\u0648\u0627\u062f \u0627\u0644\u062c\u0633\u0645 \u0648\u0627\u0644\u0623\u062c\u0632\u0627\u0621 \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629\u061b;<\/li>\n<li>\u0627\u0644\u062d\u0634\u0648\u0627\u062a \u0623\u0648 \u0627\u0644\u0633\u062f\u0627\u062f\u0627\u062a \u0623\u0648 \u0645\u0648\u0627\u062f \u0627\u0644\u0645\u0642\u0639\u062f \u0627\u0644\u0644\u064a\u0646 \u062d\u064a\u062b\u0645\u0627 \u0648\u064f\u062c\u062f\u062a\u061b;<\/li>\n<li>\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0623\u062e\u0631\u0649 \u0627\u0644\u062d\u0633\u0627\u0633\u0629 \u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0641\u064a \u0627\u0644\u062a\u0643\u0648\u064a\u0646 \u0627\u0644\u0645\u062e\u062a\u0627\u0631.<\/li>\n<\/ul>\n<p>\u064a\u062c\u0628 \u0623\u0644\u0627 \u064a\u062d\u0648\u0651\u0644 \u0627\u0644\u0645\u0642\u0627\u0644 \u0647\u0630\u0647 \u0627\u0644\u0627\u062d\u062a\u0645\u0627\u0644\u0627\u062a \u0625\u0644\u0649 \u062a\u0646\u0628\u0624\u0627\u062a \u0641\u0634\u0644 \u0639\u0627\u0645\u0629. \u0641\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0642\u062f \u064a\u0643\u0648\u0646 \u0627\u0644\u0628\u0644\u0645\u0631\u0629 \u0623\u0648 \u0627\u0644\u062a\u0641\u062d\u064a\u0645 \u0623\u0648 \u062a\u062f\u0647\u0648\u0631 \u0627\u0644\u0633\u062f\u0627\u062f\u0629 \u0623\u0648 \u062a\u0623\u062b\u064a\u0631\u0627\u062a \u0627\u0644\u0646\u0627\u0628\u0636 \u0623\u0648 \u0627\u0644\u062a\u0622\u0643\u0644 \u0645\u062e\u0627\u0648\u0641 \u0647\u0646\u062f\u0633\u064a\u0629 \u062d\u0642\u064a\u0642\u064a\u0629 \u0641\u064a \u062e\u062f\u0645\u0627\u062a \u0645\u0639\u064a\u0646\u0629\u060c \u0644\u0643\u0646 \u0644\u0627 \u064a\u0645\u0643\u0646 \u0627\u0641\u062a\u0631\u0627\u0636\u0647\u0627 \u0644\u0643\u0644 \u0635\u0645\u0627\u0645 \u0645\u0632\u0648\u062f \u0628\u063a\u0644\u0627\u0641 \u0644\u0645\u062c\u0631\u062f \u0623\u0646 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0645\u0631\u062a\u0641\u0639\u0629.<\/p>\n<div class=\"zobai-rule\">\n<p><strong>\u0627\u0633\u062a\u062e\u062f\u0645 \u062d\u0631\u0627\u0631\u0629 \u0645\u0636\u0628\u0648\u0637\u0629 \u0643\u0627\u0641\u064a\u0629 \u0644\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u062d\u0627\u0644\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629\u060c \u0645\u0639 \u0625\u0628\u0642\u0627\u0621 \u0648\u0633\u064a\u0637 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0636\u0645\u0646 \u0643\u0644 \u062d\u062f \u0645\u0648\u062b\u0651\u0642 \u0644\u0644\u0639\u0645\u0644\u064a\u0629 \u0648\u0627\u0644\u063a\u0644\u0627\u0641 \u0648\u0627\u0644\u0645\u0627\u062f\u0629 \u0648\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0635\u0645\u0627\u0645.<\/strong><\/p>\n<\/div>\n<\/section>\n<section id=\"match-jacket-to-valve-limits\">\n<h2>\u0645\u0637\u0627\u0628\u0642\u0629 \u0638\u0631\u0648\u0641 \u0627\u0644\u063a\u0644\u0627\u0641 \u0645\u0639 \u0628\u0646\u0627\u0621 \u0627\u0644\u0635\u0645\u0627\u0645 \u0648\u0627\u0644\u062d\u062f\u0648\u062f \u0627\u0644\u0645\u0648\u062b\u0651\u0642\u0629<\/h2>\n<p>\u064a\u062c\u0628 \u062a\u0644\u0628\u064a\u0629 \u0627\u0644\u0645\u062a\u0637\u0644\u0628 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0644\u0644\u0639\u0645\u0644\u064a\u0629 \u0648\u0646\u0637\u0627\u0642 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u0646\u062a\u062c \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0646\u0641\u0633\u0647.<\/p>\n<p>\u0642\u062f \u064a\u062d\u062a\u0627\u062c \u0627\u0644\u063a\u0644\u0627\u0641 \u0625\u0644\u0649 \u062a\u062d\u0645\u0651\u0644 \u0636\u063a\u0637 \u0648\u0633\u064a\u0637 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0648\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0644\u062f\u0648\u0631\u0627\u062a \u0648\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u0645\u0637\u0628\u0642\u0629. \u0648\u0642\u062f \u064a\u062d\u062a\u0648\u064a \u0627\u0644\u0635\u0645\u0627\u0645 \u0646\u0641\u0633\u0647 \u0623\u064a\u0636\u064b\u0627 \u0639\u0644\u0649 \u0645\u0643\u0648\u0646\u0627\u062a \u062a\u0639\u062a\u0645\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u062a\u0647\u0627 \u0627\u0644\u0645\u0633\u0645\u0648\u062d\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0627\u062f\u0629 \u0623\u0648 \u0627\u0644\u062a\u0643\u0648\u064a\u0646. \u0648\u0647\u0630\u0647 \u0627\u0644\u062d\u062f\u0648\u062f \u062e\u0627\u0635\u0629 \u0628\u0643\u0644 \u0645\u0646\u062a\u062c.<\/p>\n<p>\u0648\u0647\u0630\u0627 \u0645\u0647\u0645 \u0628\u0634\u0643\u0644 \u062e\u0627\u0635 \u0639\u0646\u062f \u0642\u0631\u0627\u0621\u0629 \u0643\u062a\u0627\u0644\u0648\u062c \u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0623\u0645\u0627\u0646. \u0641\u0627\u0644\u062c\u062f\u0648\u0644 \u0627\u0644\u0630\u064a \u064a\u0639\u0637\u064a \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0645\u062f\u062e\u0644 \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0633\u0645\u0648\u062d\u0629 \u0623\u0648 \u0646\u0637\u0627\u0642 \u0636\u063a\u0637 \u0627\u0644\u0636\u0628\u0637 \u0623\u0648 \u0645\u0627\u062f\u0629 \u0627\u0644\u062c\u0633\u0645 \u0623\u0648 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0646\u0627\u0628\u0636 \u0644\u0627 \u064a\u062d\u062f\u062f \u062a\u0644\u0642\u0627\u0626\u064a\u064b\u0627 \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0633\u0645\u0648\u062d\u0629 \u062f\u0627\u062e\u0644 \u063a\u0644\u0627\u0641 \u0627\u0644\u062a\u0633\u062e\u064a\u0646.<\/p>\n<p>\u064a\u0648\u0641\u0631 \u0643\u062a\u0627\u0644\u0648\u062c ZOBAI ZBNJ \u0627\u0644\u062d\u0627\u0644\u064a \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0645\u0641\u064a\u062f\u0629 \u0639\u0646 \u0647\u0648\u064a\u0629 \u0627\u0644\u0645\u0646\u062a\u062c: \u0641\u0647\u0648 \u064a\u0624\u0643\u062f \u0627\u0644\u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u0645\u0632\u0648\u062f\u0629 \u0628\u063a\u0644\u0627\u0641\u060c \u0648\u064a\u0648\u0636\u062d \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0628\u064a\u0646\u064a\u0629 \u0644\u0644\u062c\u0633\u0645\u060c \u0648\u064a\u062d\u062f\u062f \u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0627\u0644\u0628\u062e\u0627\u0631 \u0627\u0644\u0645\u062a\u062f\u0627\u0648\u0644\u060c \u0648\u064a\u0642\u062f\u0645 \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u0637\u0631\u0627\u0632 \u0648\u0627\u0644\u0645\u0648\u0627\u062f. \u0648\u0647\u0648 \u0644\u0627 <strong>\u064a\u062d\u062f\u062f<\/strong>, \u060c \u0641\u064a \u0627\u0644\u0635\u0641\u062d\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0645 \u0645\u0631\u0627\u062c\u0639\u062a\u0647\u0627 \u062d\u0627\u0644\u064a\u064b\u0627\u060c \u0642\u062f\u0651\u0645 \u0642\u064a\u0645\u0629 \u0645\u0624\u0643\u062f\u0629 \u0628\u0634\u0643\u0644 \u0645\u0646\u0641\u0635\u0644 \u0644\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0636\u063a\u0637 \u0627\u0644\u0628\u062e\u0627\u0631 \u0641\u064a \u0627\u0644\u063a\u0644\u0627\u0641 ZBNJ \u0623\u0648 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0644\u0627\u0641. \u0644\u0630\u0644\u0643 \u062a\u0628\u0642\u0649 \u062d\u062f\u0648\u062f \u0627\u0644\u0648\u0633\u064a\u0637 \u0627\u0644\u0645\u0633\u0627\u0639\u062f \u0647\u0630\u0647 \u0628\u0646\u0648\u062f\u064b\u0627 \u062a\u062a\u0637\u0644\u0628 \u062a\u0623\u0643\u064a\u062f\u064b\u0627 \u0644\u0644\u0637\u0631\u0627\u0632 \u0627\u0644\u0645\u062e\u062a\u0627\u0631.<\/p>\n<h3>\u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0632\u0648\u062f \u0628\u063a\u0644\u0627\u0641 \u0644\u064a\u0633 \u062a\u0644\u0642\u0627\u0626\u064a\u064b\u0627 \u0635\u0645\u0627\u0645\u064b\u0627 \u0644\u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629<\/h3>\n<p>\u064a\u0645\u0646\u0639 \u0647\u0630\u0627 \u0627\u0644\u062a\u0645\u064a\u064a\u0632 \u062e\u0637\u0623\u064b \u0634\u0627\u0626\u0639\u064b\u0627 \u0622\u062e\u0631 \u0641\u064a \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a.<\/p>\n<p>\u064a\u0639\u0627\u0644\u062c \u0627\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u0632\u0648\u062f \u0628\u063a\u0644\u0627\u0641 \u0645\u0634\u0643\u0644\u0629 \u0627\u0644\u062a\u0643\u064a\u064a\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0641\u064a \u062c\u0627\u0646\u0628 \u0627\u0644\u0639\u0645\u0644\u064a\u0629. \u0628\u064a\u0646\u0645\u0627 <a href=\"https:\/\/zobai.com\/ar\/blog\/high-temperature-safety-valve-selection-guide\/\">\u0627\u062e\u062a\u064a\u0627\u0631 \u0635\u0645\u0627\u0645 \u0623\u0645\u0627\u0646 \u0644\u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629<\/a> \u064a\u0639\u0627\u0644\u062c \u0642\u062f\u0631\u0629 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0635\u0645\u0627\u0645 \u0648\u0645\u0648\u0627\u062f\u0647 \u0648\u0645\u0643\u0648\u0646\u0627\u062a\u0647 \u0639\u0644\u0649 \u0627\u0644\u0639\u0645\u0644 \u0639\u0646\u062f \u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0648\u0627\u0644\u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u0645\u0639\u0646\u064a\u0629.<\/p>\n<p>\u0642\u062f \u062a\u062a\u062f\u0627\u062e\u0644 \u0647\u0630\u0647 \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a\u060c \u0644\u0643\u0646 \u0644\u0627 \u064a\u062b\u0628\u062a \u0623\u064a \u0645\u0646\u0647\u0627 \u0627\u0644\u0622\u062e\u0631.<\/p>\n<p>\u0642\u062f \u064a\u062d\u062a\u0627\u062c \u0627\u0644\u0635\u0645\u0627\u0645 \u0625\u0644\u0649 \u063a\u0644\u0627\u0641 \u062a\u0633\u062e\u064a\u0646 \u0644\u0623\u0646 \u0648\u0633\u064a\u0637 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u064a\u062a\u0635\u0644\u0628 \u0639\u0646\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0645\u0639\u062a\u062f\u0644\u0629 \u0646\u0633\u0628\u064a\u064b\u0627. \u0648\u0628\u0627\u0644\u0645\u0642\u0627\u0628\u0644\u060c \u0642\u062f \u062a\u062a\u0637\u0644\u0628 \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u062a\u0646\u0641\u064a\u0633 \u0639\u0646\u062f \u062f\u0631\u062c\u0627\u062a \u062d\u0631\u0627\u0631\u0629 \u0639\u0627\u0644\u064a\u0629 \u0645\u0648\u0627\u062f \u0645\u062a\u062e\u0635\u0635\u0629 \u0623\u0648 \u062a\u0631\u062a\u064a\u0628\u0627\u062a \u0645\u0643\u0648\u0646\u0627\u062a \u0645\u0639\u064a\u0646\u0629 \u062d\u062a\u0649 \u0639\u0646\u062f \u0639\u062f\u0645 \u0627\u0644\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u063a\u0644\u0627\u0641.<\/p>\n<p>\u0644\u0630\u0644\u0643 \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646\u060c \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0635\u0645\u0627\u0645 \u0627\u0644\u0645\u062e\u062a\u0627\u0631\u060c \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u062d\u062f\u0648\u062f \u0627\u0644\u0648\u0633\u064a\u0637 \u0627\u0644\u0645\u0633\u0627\u0639\u062f \u0644\u0644\u063a\u0644\u0627\u0641 \u0648 <a href=\"https:\/\/zobai.com\/ar\/standards\/pressure-temperature-ratings\/\">\u062d\u062f\u0648\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u062c\u0627\u0646\u0628 \u0627\u0644\u0639\u0645\u0644\u064a\u0629<\/a> \u0628\u0634\u0643\u0644 \u0645\u0646\u0641\u0635\u0644.<\/p>\n<\/section>\n<section id=\"specify-before-selection\">\n<h2>\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u062c\u0628 \u062a\u062d\u062f\u064a\u062f\u0647 \u0642\u0628\u0644 \u0627\u062e\u062a\u064a\u0627\u0631 \u0623\u0648 \u062a\u0633\u0639\u064a\u0631 \u0635\u0645\u0627\u0645 \u0623\u0645\u0627\u0646 \u0645\u0632\u0648\u062f \u0628\u063a\u0644\u0627\u0641<\/h2>\n<p>\u064a\u062c\u0628 \u0623\u0646 \u064a\u062d\u062a\u0648\u064a \u0627\u0644\u0627\u0633\u062a\u0641\u0633\u0627\u0631 \u0627\u0644\u0641\u0646\u064a \u0627\u0644\u0645\u0641\u064a\u062f \u0639\u0644\u0649 \u0645\u062c\u0645\u0648\u0639\u062a\u064a\u0646 \u0645\u0646 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a: \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u062e\u062f\u0645\u0629 \u0627\u0644\u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u062a\u064a \u062a\u062d\u062f\u062f \u0648\u0627\u062c\u0628 \u0635\u0645\u0627\u0645 \u0627\u0644\u0623\u0645\u0627\u0646\u060c \u0648\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u0645\u0646\u0641\u0639\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u062d\u062f\u062f \u0648\u0627\u062c\u0628 \u0627\u0644\u063a\u0644\u0627\u0641.<\/p>\n<p>\u062a\u0645 \u0641\u0635\u0644 \u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u062a\u062d\u0642\u0642 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0639\u0645\u062f\u064b\u0627 \u062d\u062a\u0649 \u0644\u0627 \u064a\u064f\u062e\u0637\u0626 \u0628\u064a\u0646 \u0638\u0631\u0648\u0641 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0648\u0645\u062f\u062e\u0644\u0627\u062a \u062d\u0633\u0627\u0628 \u0645\u0642\u0627\u0633\u0627\u062a \u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u0636\u063a\u0637.<\/p>\n<div class=\"zobai-table-wrap\" role=\"region\" aria-label=\"Jacketed safety valve specification inputs\" tabindex=\"0\">\n<table class=\"zobai-table\">\n<thead>\n<tr>\n<th scope=\"col\">\u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u0645\u0637\u0644\u0648\u0628 \u062a\u0642\u062f\u064a\u0645\u0647\u0627<\/th>\n<th scope=\"col\">\u0644\u0645\u0627\u0630\u0627 \u0647\u0648 \u0645\u0647\u0645<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0627\u0644\u0648\u0633\u0637 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u064a \u0648\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0630\u0648 \u0627\u0644\u0635\u0644\u0629<\/td>\n<td>\u064a\u062d\u062f\u062f \u0633\u0644\u0648\u0643 \u0627\u0644\u0645\u0627\u0626\u0639 \u0648\u062a\u0648\u0627\u0641\u0642\u0647 \u0645\u0639 \u0627\u0644\u0645\u0648\u0627\u062f \u0648\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u0628\u0631\u064a\u062f \u0642\u062f \u064a\u0633\u0628\u0628 \u0645\u0634\u0643\u0644\u0627\u062a \u0641\u064a \u0627\u0644\u0644\u0632\u0648\u062c\u0629 \u0623\u0648 \u0627\u0644\u062a\u0628\u0644\u0648\u0631 \u0623\u0648 \u0627\u0644\u062a\u0635\u0644\u0628<\/td>\n<\/tr>\n<tr>\n<td>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0639\u0627\u062f\u064a\u0629<\/td>\n<td>\u062a\u062d\u062f\u062f \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0627\u0644\u0645\u0639\u062a\u0627\u062f\u0629 \u0644\u0644\u0639\u0645\u0644\u064a\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0646\u0641\u064a\u0633<\/td>\n<td>\u062a\u0646\u062a\u0645\u064a \u0625\u0644\u0649 \u062d\u0627\u0644\u0629 \u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u0636\u063a\u0637 \u0648\u0642\u062f \u062a\u062e\u062a\u0644\u0641 \u0639\u0646 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0645\u0646\u0641\u0639\u0629 \u0627\u0644\u063a\u0644\u0627\u0641<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0627\u0644\u0645\u0642\u0628\u0648\u0644 \u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0627\u0626\u0639 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u064a\u060c \u062d\u064a\u062b \u064a\u0643\u0648\u0646 \u0645\u0639\u0631\u0648\u0641\u064b\u0627<\/td>\n<td>\u064a\u062d\u062f\u062f \u0627\u0644\u063a\u0631\u0636 \u0627\u0644\u0641\u0639\u0644\u064a \u0645\u0646 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0628\u062f\u0644\u064b\u0627 \u0645\u0646 \u0646\u0642\u0637\u0629 \u0636\u0628\u0637 \u0639\u0634\u0648\u0627\u0626\u064a\u0629 \u0644\u0644\u063a\u0644\u0627\u0641<\/td>\n<\/tr>\n<tr>\n<td>\u0636\u063a\u0637 \u0627\u0644\u0636\u0628\u0637<\/td>\n<td>\u0645\u0637\u0644\u0648\u0628 \u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0635\u0645\u0627\u0645 \u0627\u0644\u0623\u0645\u0627\u0646\u061b \u0648\u0647\u0648 \u0644\u064a\u0633 \u0636\u063a\u0637 \u0648\u0633\u064a\u0637 \u0627\u0644\u062a\u0633\u062e\u064a\u0646<\/td>\n<\/tr>\n<tr>\n<td>\u0633\u0639\u0629 \u0627\u0644\u062a\u0646\u0641\u064a\u0633 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u0623\u0648 \u0623\u0633\u0627\u0633 \u0627\u0644\u062d\u0633\u0627\u0628<\/td>\n<td>\u064a\u062d\u062f\u062f \u0648\u0627\u062c\u0628 \u0627\u0644\u062a\u0646\u0641\u064a\u0633 \u0628\u0634\u0643\u0644 \u0645\u0633\u062a\u0642\u0644 \u0639\u0646 \u0627\u0644\u063a\u0644\u0627\u0641<\/td>\n<\/tr>\n<tr>\n<td>Back pressure and discharge conditions where relevant<\/td>\n<td>May affect valve configuration and performance<\/td>\n<\/tr>\n<tr>\n<td>Heating-medium identity<\/td>\n<td>Distinguishes steam from circulating liquid or another approved utility<\/td>\n<\/tr>\n<tr>\n<td>Heating-medium supply temperature<\/td>\n<td>Defines one part of the available heating condition<\/td>\n<\/tr>\n<tr>\n<td>Heating-medium supply pressure<\/td>\n<td>Essential for steam-state definition and for checking jacket utility limits<\/td>\n<\/tr>\n<tr>\n<td>Steam condition, if steam is used<\/td>\n<td>Distinguishes the actual thermal state rather than relying on nominal header data<\/td>\n<\/tr>\n<tr>\n<td>Condensate return\/drainage condition<\/td>\n<td>Helps determine whether a steam jacket can maintain effective heat transfer<\/td>\n<\/tr>\n<tr>\n<td>Circulation\/return data for a liquid heating medium<\/td>\n<td>Helps establish whether heat can actually be delivered through the jacket<\/td>\n<\/tr>\n<tr>\n<td>Normal and maximum utility conditions<\/td>\n<td>Allows the jacket and valve limits to be checked<\/td>\n<\/tr>\n<tr>\n<td>Startup, standby, or loss-of-heating requirement where relevant<\/td>\n<td>Identifies thermal states that may not be represented by normal operation<\/td>\n<\/tr>\n<tr>\n<td>Ambient and insulation conditions where relevant<\/td>\n<td>Affect heat loss and required duty<\/td>\n<\/tr>\n<tr>\n<td>Required jacket connection arrangement<\/td>\n<td>Must match the selected product and utility system<\/td>\n<\/tr>\n<tr>\n<td>Project code, material, and documentation requirements<\/td>\n<td>Establish project-specific acceptance boundaries<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>The checklist is not a substitute for a relief calculation. Even when the heating circuit is fully defined, the safety valve must still be selected against the actual protected equipment, governing relief scenario, set pressure, required relieving capacity, relieving conditions, back pressure, applicable code or standard, and manufacturer data.<\/p>\n<div class=\"zobai-boundary\">\n<h3>\u062d\u062f\u0648\u062f \u0627\u0644\u0647\u0646\u062f\u0633\u0629<\/h3>\n<p>Heating-medium selection is a service-condition decision, not a stand-alone proof that the pressure-relief system is adequate. Jacket heating does not establish the governing relief scenario, required relieving rate, required flow area, certified or documented capacity, or final project acceptance. Those must be verified through the applicable pressure-relief design process and the selected valve&#8217;s current manufacturer data.<\/p>\n<p>Likewise, exact jacket utility limits should be taken from the selected product documentation rather than inferred from a general valve temperature or pressure table.<\/p>\n<\/div>\n<p>If you are preparing a jacketed safety-valve inquiry, provide the process-side relief conditions and the jacket-side utility conditions as separate data sets. That gives the engineer enough information to evaluate whether the heating concept, valve configuration, materials, pressure-relief capacity, and selected product limits are mutually compatible.<\/p>\n<aside class=\"zobai-cta\" aria-label=\"\u0645\u0631\u0627\u062c\u0639\u0629 \u0647\u0646\u062f\u0633\u064a\u0629\">\n<p><strong>\u0623\u0631\u0633\u0644 \u0638\u0631\u0648\u0641 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0648\u0627\u0644\u063a\u0644\u0627\u0641 \u0644\u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629<\/strong><\/p>\n<p>Provide the process medium, normal and relieving temperatures, set pressure, required relieving capacity or calculation basis, heating-medium type, supply pressure and temperature, condensate\/return or circulation condition, back pressure where relevant, and applicable project requirements. ZOBAI can review which additional product and jacket data must be confirmed before quotation.<\/p>\n<p><a class=\"zobai-btn\" href=\"https:\/\/zobai.com\/ar\/ask-an-engineer\/\">Request an engineering review<\/a><\/p>\n<\/aside>\n<\/section>\n<\/article>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"TechArticle\",\n    \"headline\": \"How Heating Medium Conditions Affect Jacketed Safety Valves\",\n    \"description\": \"Learn how heating-medium temperature, pressure, steam condition, condensate return and circulation affect jacketed safety valves and RFQ decisions.\",\n    \"mainEntityOfPage\": {\n        \"@type\": \"WebPage\",\n        \"@id\": \"https:\\\/\\\/zobai.com\\\/blog\\\/how-heating-medium-conditions-affect-jacketed-safety-valves\\\/\"\n    },\n    \"url\": \"https:\\\/\\\/zobai.com\\\/blog\\\/how-heating-medium-conditions-affect-jacketed-safety-valves\\\/\",\n    \"inLanguage\": \"en\",\n    \"publisher\": {\n        \"@type\": \"Organization\",\n        \"name\": \"ZOBAI Valve Co., Ltd.\",\n        \"url\": \"https:\\\/\\\/zobai.com\\\/\"\n    }\n}<\/script><\/p>","protected":false},"excerpt":{"rendered":"<p>\u062a\u0639\u0631\u0651\u0641 \u0639\u0644\u0649 \u0643\u064a\u0641\u064a\u0629 \u062a\u0623\u062b\u064a\u0631 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0648\u0633\u064a\u0637 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0648\u0627\u0644\u0636\u063a\u0637 \u0648\u062d\u0627\u0644\u0629 \u0627\u0644\u0628\u062e\u0627\u0631 \u0648\u0631\u062c\u0648\u0639 \u0627\u0644\u0645\u062a\u0643\u062b\u0641\u0627\u062a \u0648\u0627\u0644\u062f\u0648\u0631\u0627\u0646 \u0639\u0644\u0649 \u0635\u0645\u0627\u0645\u0627\u062a \u0627\u0644\u0623\u0645\u0627\u0646 \u0627\u0644\u0645\u0632\u0648\u062f\u0629 \u0628\u063a\u0644\u0627\u0641 \u0648\u0642\u0631\u0627\u0631\u0627\u062a \u0637\u0644\u0628 \u0639\u0631\u0648\u0636 \u0627\u0644\u0623\u0633\u0639\u0627\u0631.<\/p>","protected":false},"author":2,"featured_media":57117,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[75],"tags":[],"class_list":["post-57080","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-installation-maintenance-troubleshooting"],"_links":{"self":[{"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/posts\/57080","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=57080"}],"version-history":[{"count":4,"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/posts\/57080\/revisions"}],"predecessor-version":[{"id":57133,"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/posts\/57080\/revisions\/57133"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/media\/57117"}],"wp:attachment":[{"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/media?parent=57080"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/categories?post=57080"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zobai.com\/ar\/wp-json\/wp\/v2\/tags?post=57080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}