{"id":6046,"date":"2026-11-02T10:14:22","date_gmt":"2026-11-02T07:14:22","guid":{"rendered":"https:\/\/fu-mech.com\/?post_type=guide&#038;p=6046"},"modified":"2026-11-02T10:14:22","modified_gmt":"2026-11-02T07:14:22","slug":"butterfly-valves-fire-protection-guide","status":"publish","type":"guide","link":"https:\/\/fu-mech.com\/ar\/library\/butterfly-valves-fire-protection-guide\/","title":{"rendered":"\u0645\u062d\u0628\u0633 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 \u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062d\u0631\u064a\u0642: \u0627\u0644\u0648\u064a\u0641\u0631 \u0648\u0627\u0644\u0645\u062d\u0632\u0632 \u0648\u0645\u0641\u062a\u0627\u062d \u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629"},"content":{"rendered":"<p><\/p>\n<p>\u0645\u062d\u0628\u0633 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 <span dir=\"ltr\">(Butterfly Valve)<\/span> \u064a\u0641\u062a\u062d \u0648\u064a\u063a\u0644\u0642 \u0627\u0644\u062e\u0637 \u0628\u062a\u062f\u0648\u064a\u0631 \u0642\u0631\u0635 \u062f\u0627\u062e\u0644 \u0627\u0644\u062c\u0633\u0645 \u0631\u0628\u0639 \u062f\u0648\u0631\u0629. \u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062d\u0631\u064a\u0642 \u064a\u064f\u0633\u062a\u062e\u062f\u0645 \u0643\u0645\u062d\u0628\u0633 \u062a\u062d\u0643\u0645 \u0645\u0624\u0634\u0631 \u0628\u062f\u064a\u0644 \u0639\u0646 <a class=\"fm-il\" href=\"\/ar\/library\/os-y-vs-nrs-gate-valves\/\">\u0645\u062d\u0628\u0633 \u0627\u0644\u0628\u0648\u0627\u0628\u0629<\/a> \u0641\u064a \u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u0645\u0648\u0627\u0642\u0639\u060c \u0644\u0623\u0646\u0647 \u0623\u062e\u0641 \u0648\u0623\u0642\u0635\u0631 \u0648\u064a\u064f\u0631\u0643\u0651\u0628 \u0628\u0633\u0631\u0639\u0629. \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644 \u064a\u0634\u0631\u062d \u0645\u062a\u0649 \u062a\u062e\u062a\u0627\u0631\u0647\u060c \u0648\u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0648\u064a\u0641\u0631 \u0648\u0627\u0644\u0645\u062d\u0632\u0632\u060c \u0648\u062f\u0648\u0631 <a class=\"fm-il\" href=\"\/ar\/library\/pressure-supervisory-switches-guide\/\">\u0645\u0641\u062a\u0627\u062d \u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629<\/a>.<\/p>\n<div class=\"fm-a-key\">\n<p class=\"fm-a-key__t\">\u0628\u0627\u062e\u062a\u0635\u0627\u0631<\/p>\n<ul>\n<li>\u0623\u0642\u0635\u0631 \u0648\u0623\u062e\u0641 \u0628\u0643\u062b\u064a\u0631 \u0645\u0646 \u0645\u062d\u0628\u0633 \u0627\u0644\u0628\u0648\u0627\u0628\u0629 \u0628\u0646\u0641\u0633 \u0627\u0644\u0645\u0642\u0627\u0633.<\/li>\n<li>\u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062d\u0631\u064a\u0642 \u064a\u064f\u0633\u062a\u062e\u062f\u0645 \u0628\u0635\u0646\u062f\u0648\u0642 \u062a\u0631\u0648\u0633 \u0645\u0624\u0634\u0631 <strong>\u0648\u0645\u0641\u062a\u0627\u062d \u0645\u0631\u0627\u0642\u0628\u0629 <span dir=\"ltr\">(Tamper Switch)<\/span><\/strong> \u064a\u0631\u0633\u0644 \u0625\u0634\u0627\u0631\u0629 \u0639\u0646\u062f \u062a\u062d\u0631\u064a\u0643\u0647.<\/li>\n<li>\u0627\u0644\u0646\u0647\u0627\u064a\u0627\u062a: <strong>\u0648\u064a\u0641\u0631<\/strong> \u0628\u064a\u0646 \u0641\u0644\u0646\u062c\u062a\u064a\u0646\u060c \u0623\u0648 <strong>\u0645\u062d\u0632\u0632\u0629<\/strong> \u0628<a class=\"fm-il\" href=\"\/ar\/library\/rigid-vs-flexible-grooved-couplings\/\">\u0648\u0635\u0644\u0627\u062a \u0645\u062d\u0632\u0632\u0629<\/a>.<\/li>\n<li>\u0627\u0644\u0642\u0631\u0635 \u064a\u062f\u062e\u0644 \u062c\u0632\u0626\u064a\u0627\u064b \u0641\u064a \u0627\u0644\u0623\u0646\u0628\u0648\u0628 \u0639\u0646\u062f \u0627\u0644\u0641\u062a\u062d\u060c \u0641\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062e\u0644\u0648\u0635 \u0645\u0639 \u0627\u0644\u0642\u0637\u0639 \u0627\u0644\u0645\u062c\u0627\u0648\u0631\u0629.<\/li>\n<\/ul>\n<\/div>\n<h2>\u0643\u064a\u0641 \u064a\u0639\u0645\u0644\u061f<\/h2>\n<p>\u0627\u0644\u0642\u0631\u0635 \u0645\u062b\u0628\u062a \u0639\u0644\u0649 \u0639\u0645\u0648\u062f \u0641\u064a \u0645\u0646\u062a\u0635\u0641 \u0627\u0644\u062c\u0633\u0645. \u0639\u0646\u062f \u062a\u062f\u0648\u064a\u0631 \u0627\u0644\u0639\u0645\u0648\u062f 90 \u062f\u0631\u062c\u0629 \u064a\u0635\u0628\u062d \u0627\u0644\u0642\u0631\u0635 \u0645\u0648\u0627\u0632\u064a\u0627\u064b \u0644\u0644\u062a\u062f\u0641\u0642 \u0641\u064a\u0641\u062a\u062d \u0627\u0644\u062e\u0637\u060c \u0648\u0639\u0646\u062f \u062a\u062f\u0648\u064a\u0631\u0647 \u0639\u0643\u0633\u064a\u0627\u064b \u064a\u0635\u0628\u062d \u0639\u0645\u0648\u062f\u064a\u0627\u064b \u0639\u0644\u0649 \u0627\u0644\u062a\u062f\u0641\u0642 \u0641\u064a\u063a\u0644\u0642. \u0641\u064a \u0645\u062d\u0627\u0628\u0633 \u0627\u0644\u062d\u0631\u064a\u0642 \u064a\u062a\u0645 \u0627\u0644\u062a\u062f\u0648\u064a\u0631 \u0639\u0628\u0631 <strong>\u0635\u0646\u062f\u0648\u0642 \u062a\u0631\u0648\u0633 <span dir=\"ltr\">(Gear Operator)<\/span><\/strong> \u0628\u0637\u0627\u0631\u0629\u060c \u064a\u0628\u0637\u0626 \u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u0648\u064a\u064f\u0638\u0647\u0631 \u0648\u0636\u0639 \u0627\u0644\u0645\u062d\u0628\u0633 \u0628\u0645\u0624\u0634\u0631.<\/p>\n<figure class=\"fm-a-fig\"><svg viewBox=\"0 0 460 260\" role=\"img\" direction=\"ltr\"><title>\u0645\u0646\u0638\u0631 \u0645\u0628\u0633\u0637 \u0644\u0645\u062d\u0628\u0633 \u0641\u0631\u0627\u0634\u0629 \u0628\u0635\u0646\u062f\u0648\u0642 \u062a\u0631\u0648\u0633 \u0648\u0645\u0641\u062a\u0627\u062d \u0645\u0631\u0627\u0642\u0628\u0629<\/title><g fill=\"none\" stroke=\"currentColor\" stroke-width=\"3\"><circle cx=\"160\" cy=\"170\" r=\"70\"><\/circle><circle cx=\"160\" cy=\"170\" r=\"56\" stroke-width=\"1.5\" stroke-dasharray=\"4 4\"><\/circle><line x1=\"160\" y1=\"100\" x2=\"160\" y2=\"70\"><\/line><rect x=\"120\" y=\"30\" width=\"80\" height=\"40\"><\/rect><ellipse cx=\"240\" cy=\"50\" rx=\"10\" ry=\"30\"><\/ellipse><line x1=\"200\" y1=\"50\" x2=\"230\" y2=\"50\"><\/line><rect x=\"92\" y=\"38\" width=\"28\" height=\"24\"><\/rect><\/g><g class=\"acc\" stroke=\"currentColor\" stroke-width=\"6\" stroke-linecap=\"round\"><line x1=\"122\" y1=\"132\" x2=\"198\" y2=\"208\"><\/line><\/g><g stroke=\"currentColor\" stroke-width=\"1\" opacity=\".6\"><line x1=\"200\" y1=\"190\" x2=\"300\" y2=\"220\"><\/line><line x1=\"200\" y1=\"40\" x2=\"300\" y2=\"20\"><\/line><line x1=\"92\" y1=\"50\" x2=\"40\" y2=\"90\"><\/line><\/g><g fill=\"currentColor\" font-size=\"14\" font-family=\"inherit\"><text x=\"305\" y=\"225\">\u0627\u0644\u0642\u0631\u0635<\/text><text x=\"305\" y=\"24\">\u0635\u0646\u062f\u0648\u0642 \u0627\u0644\u062a\u0631\u0648\u0633 \u0648\u0627\u0644\u0637\u0627\u0631\u0629<\/text><text x=\"10\" y=\"108\">\u0645\u0641\u062a\u0627\u062d \u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629<\/text><\/g><\/svg><figcaption>\u0645\u0646\u0638\u0631 \u0645\u0628\u0633\u0637: \u0627\u0644\u0642\u0631\u0635 \u062f\u0627\u062e\u0644 \u0627\u0644\u062c\u0633\u0645\u060c \u0648\u0635\u0646\u062f\u0648\u0642 \u0627\u0644\u062a\u0631\u0648\u0633 \u0628\u0627\u0644\u0637\u0627\u0631\u0629\u060c \u0648\u0645\u0641\u062a\u0627\u062d \u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u0645\u062b\u0628\u062a \u0639\u0644\u064a\u0647.<\/figcaption><\/figure>\n<h2>\u0644\u0645\u0627\u0630\u0627 \u0645\u0641\u062a\u0627\u062d \u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629 \u0645\u0647\u0645\u061f<\/h2>\n<p>NFPA 13 \u064a\u0634\u062a\u0631\u0637 \u0623\u0646 \u062a\u0643\u0648\u0646 \u0645\u062d\u0627\u0628\u0633 \u0627\u0644\u062a\u062d\u0643\u0645 \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0645\u0624\u0634\u0631 \u0648\u0623\u0646 \u062a\u0643\u0648\u0646 \u0645\u0631\u0627\u0642\u064e\u0628\u0629 \u0641\u064a \u0648\u0636\u0639 \u0627\u0644\u0641\u062a\u062d. \u0645\u0641\u062a\u0627\u062d \u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u0645\u062f\u0645\u062c \u0641\u064a \u0635\u0646\u062f\u0648\u0642 \u0627\u0644\u062a\u0631\u0648\u0633 \u064a\u0631\u0633\u0644 \u0625\u0634\u0627\u0631\u0629 \u0625\u0644\u0649 \u0644\u0648\u062d\u0629 \u0627\u0644\u0625\u0646\u0630\u0627\u0631 \u0628\u0645\u062c\u0631\u062f \u062a\u062d\u0631\u064a\u0643 \u0627\u0644\u0645\u062d\u0628\u0633 \u0639\u0646 \u0648\u0636\u0639 \u0627\u0644\u0641\u062a\u062d \u0627\u0644\u0643\u0627\u0645\u0644\u060c \u0641\u0644\u0627 \u064a\u0628\u0642\u0649 \u0645\u062d\u0628\u0633 \u0645\u063a\u0644\u0642 \u062e\u0637\u0623\u064b \u062f\u0648\u0646 \u0623\u0646 \u064a\u064f\u0644\u0627\u062d\u0638.<\/p>\n<div class=\"fm-a-note fm-a-note--tip\">\n<p class=\"fm-a-note__t\">\u0645\u0641\u062a\u0627\u062d \u0645\u0641\u062a\u0648\u062d \u0639\u0627\u062f\u0629 \u0623\u0645 \u0645\u063a\u0644\u0642 \u0639\u0627\u062f\u0629\u061f<\/p>\n<p>\u062a\u062a\u0648\u0641\u0631 \u0645\u0648\u062f\u064a\u0644\u0627\u062a \u0628\u0645\u0641\u062a\u0627\u062d <span dir=\"ltr\">Normally Closed<\/span> \u0644\u062a\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0646\u0648\u0639 \u062f\u0627\u0626\u0631\u0629 \u0644\u0648\u062d\u0629 \u0627\u0644\u0625\u0646\u0630\u0627\u0631 \u0641\u064a \u0627\u0644\u0645\u0634\u0631\u0648\u0639. \u0627\u062e\u062a\u0631 \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0630\u064a \u064a\u0637\u0644\u0628\u0647 \u0645\u0635\u0645\u0645 \u0646\u0638\u0627\u0645 \u0627\u0644\u0625\u0646\u0630\u0627\u0631.<\/p>\n<\/div>\n<h2>\u0648\u064a\u0641\u0631 \u0623\u0645 \u0645\u062d\u0632\u0632\u061f<\/h2>\n<div class=\"fm-a-table\">\n<table>\n<thead>\n<tr>\n<th>\u0627\u0644\u0628\u0646\u062f<\/th>\n<th>\u0648\u064a\u0641\u0631 (Wafer)<\/th>\n<th>\u0645\u062d\u0632\u0632 (Grooved)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628<\/td>\n<td>\u0628\u064a\u0646 \u0641\u0644\u0646\u062c\u062a\u064a\u0646 \u0628\u0645\u0633\u0627\u0645\u064a\u0631 \u0637\u0648\u064a\u0644\u0629<\/td>\n<td>\u0628\u0648\u0635\u0644\u062a\u064a\u0646 \u0645\u062d\u0632\u0632\u062a\u064a\u0646<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0648\u0632\u0646 \u0648\u0627\u0644\u0637\u0648\u0644<\/td>\n<td>\u062e\u0641\u064a\u0641 \u0648\u0642\u0635\u064a\u0631<\/td>\n<td>\u062e\u0641\u064a\u0641\u060c \u0648\u0623\u0633\u0631\u0639 \u0641\u064a \u0627\u0644\u062a\u0631\u0643\u064a\u0628<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0623\u0646\u0633\u0628 \u0644\u0647<\/td>\n<td>\u0627\u0644\u062e\u0637\u0648\u0637 \u0627\u0644\u0645\u0641\u0644\u0646\u062c\u0629<\/td>\n<td>\u0627\u0644\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u0645\u062d\u0632\u0632\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0641\u0643 \u0648\u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/td>\n<td>\u064a\u062a\u0637\u0644\u0628 \u0641\u0643 \u0645\u0633\u0627\u0645\u064a\u0631 \u0627\u0644\u0641\u0644\u0646\u062c\u0627\u062a<\/td>\n<td>\u0628\u0641\u0643 \u0648\u0635\u0644\u062a\u064a\u0646<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>\u0645\u0648\u062f\u064a\u0644\u0627\u062a MECH<\/h2>\n<div class=\"fm-a-table\">\n<table>\n<caption>\u0627\u0644\u0642\u064a\u0645 \u0645\u0646 \u0635\u0641\u062d\u0627\u062a \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a\u061b \u0627\u0644\u0636\u063a\u0637 \u064a\u062e\u062a\u0644\u0641 \u062d\u0633\u0628 \u0627\u0644\u0646\u0633\u062e\u0629 \u0648\u0627\u0644\u0645\u0642\u0627\u0633<\/caption>\n<thead>\n<tr>\n<th>\u0627\u0644\u0645\u0648\u062f\u064a\u0644<\/th>\n<th>\u0627\u0644\u0646\u0648\u0639<\/th>\n<th>\u0627\u0644\u0645\u0642\u0627\u0633\u0627\u062a<\/th>\n<th>\u0636\u063a\u0637 \u0627\u0644\u0639\u0645\u0644<\/th>\n<th>\u0627\u0644\u0627\u0639\u062a\u0645\u0627\u062f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>XD381X<\/td>\n<td>\u0645\u062d\u0632\u0632 \u0628\u0645\u0641\u062a\u0627\u062d \u0645\u0631\u0627\u0642\u0628\u0629<\/td>\n<td><span dir=\"ltr\">2&#8243; \u2013 12&#8243;<\/span><\/td>\n<td><span dir=\"ltr\">300 \/ 363 PSI<\/span><\/td>\n<td>UL \/ FM \/ VdS<\/td>\n<\/tr>\n<tr>\n<td>D381X<\/td>\n<td>\u0645\u062d\u0632\u0632<\/td>\n<td><span dir=\"ltr\">2&#8243; \u2013 12&#8243;<\/span><\/td>\n<td>\u062d\u0633\u0628 \u0627\u0644\u0646\u0633\u062e\u0629\u060c \u062d\u062a\u0649 <span dir=\"ltr\">363 psig<\/span><\/td>\n<td>UL \/ FM<\/td>\n<\/tr>\n<tr>\n<td>D371X<\/td>\n<td>\u0648\u064a\u0641\u0631<\/td>\n<td><span dir=\"ltr\">2&#8243; \u2013 12&#8243;<\/span><\/td>\n<td>\u062d\u0633\u0628 \u0627\u0644\u0646\u0633\u062e\u0629\u060c \u062d\u062a\u0649 <span dir=\"ltr\">363 psig<\/span><\/td>\n<td>UL \/ FM<\/td>\n<\/tr>\n<tr>\n<td>XD371XG \/ XD381XG<\/td>\n<td>\u0648\u064a\u0641\u0631 \/ \u0645\u062d\u0632\u0632 \u0628\u0645\u0641\u062a\u0627\u062d \u0645\u063a\u0644\u0642 \u0639\u0627\u062f\u0629<\/td>\n<td><span dir=\"ltr\">2&#8243; \u2013 12&#8243;<\/span><\/td>\n<td><span dir=\"ltr\">300 \u2013 363 PSI<\/span><\/td>\n<td>UL<\/td>\n<\/tr>\n<tr>\n<td>D371X205<\/td>\n<td>\u0648\u064a\u0641\u0631 \u0644\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u0645\u064a\u0627\u0647<\/td>\n<td><span dir=\"ltr\">2&#8243; \u2013 24&#8243;<\/span><\/td>\n<td><span dir=\"ltr\">300 PSI<\/span><\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>D71X4<\/td>\n<td>\u0641\u0644\u0646\u062c\u0629 \u0628\u0630\u0631\u0627\u0639<\/td>\n<td><span dir=\"ltr\">1-1\/2&#8243; \u2013 32&#8243;<\/span><\/td>\n<td><span dir=\"ltr\">300 PSI<\/span><\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0648\u062f\u064a\u0644\u0627\u062a \u0648\u0641\u0642 <span dir=\"ltr\">MSS SP-67<\/span>\u060c \u0648\u0627\u0644\u0646\u0647\u0627\u064a\u0627\u062a \u0627\u0644\u0645\u062d\u0632\u0632\u0629 \u0648\u0641\u0642 <span dir=\"ltr\">AWWA C606<\/span>.<\/p>\n<h2>\u0646\u0642\u0627\u0637 \u0645\u0647\u0645\u0629 \u0639\u0646\u062f \u0627\u0644\u062a\u0631\u0643\u064a\u0628<\/h2>\n<ol class=\"fm-a-steps\">\n<li>\u062a\u062d\u0642\u0642 \u0645\u0646 \u062e\u0644\u0648\u0635 \u0627\u0644\u0642\u0631\u0635: \u0639\u0646\u062f \u0627\u0644\u0641\u062a\u062d \u064a\u0628\u0631\u0632 \u0627\u0644\u0642\u0631\u0635 \u062e\u0627\u0631\u062c \u0627\u0644\u062c\u0633\u0645\u060c \u0641\u0644\u0627 \u062a\u0631\u0643\u0651\u0628 \u0627\u0644\u0645\u062d\u0628\u0633 \u0645\u0644\u0627\u0635\u0642\u0627\u064b \u0644\u0642\u0637\u0639\u0629 \u062a\u0645\u0646\u0639 \u062f\u0648\u0631\u0627\u0646\u0647 \u062f\u0648\u0646 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0646\u0634\u0631\u0629.<\/li>\n<li>\u0631\u0643\u0651\u0628 \u0627\u0644\u0645\u062d\u0628\u0633 \u0648\u0627\u0644\u0642\u0631\u0635 \u0641\u064a \u0648\u0636\u0639 \u0634\u0628\u0647 \u0645\u063a\u0644\u0642 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u062b\u0628\u064a\u062a \u0644\u062d\u0645\u0627\u064a\u0629 \u062d\u0627\u0641\u062a\u0647\u060c \u062b\u0645 \u0627\u0641\u062a\u062d\u0647 \u0628\u0639\u062f \u0625\u062d\u0643\u0627\u0645 \u0627\u0644\u0648\u0635\u0644\u0627\u062a.<\/li>\n<li>\u0635\u0650\u0644 \u0645\u0641\u062a\u0627\u062d \u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629 \u0628\u0644\u0648\u062d\u0629 \u0627\u0644\u0625\u0646\u0630\u0627\u0631 \u0648\u0627\u062e\u062a\u0628\u0631 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0642\u0628\u0644 \u0627\u0644\u062a\u0634\u063a\u064a\u0644.<\/li>\n<li>\u062a\u0623\u0643\u062f \u0623\u0646 \u0645\u0624\u0634\u0631 \u0627\u0644\u0648\u0636\u0639 \u0638\u0627\u0647\u0631 \u0645\u0646 \u0645\u0643\u0627\u0646 \u0627\u0644\u062a\u0634\u063a\u064a\u0644.<\/li>\n<\/ol>\n<div class=\"fm-a-key fm-a-related\">\n<p class=\"fm-a-key__t\">\u0627\u0642\u0631\u0623 \u0623\u064a\u0636\u0627\u064b \u0641\u064a \u0627\u0644\u0645\u0643\u062a\u0628\u0629 \u0627\u0644\u0641\u0646\u064a\u0629<\/p>\n<ul>\n<li><a href=\"\/ar\/library\/pressure-supervisory-switches-guide\/\">\u0645\u0641\u0627\u062a\u064a\u062d \u0627\u0644\u0636\u063a\u0637 \u0648\u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629<\/a><\/li>\n<li><a href=\"\/ar\/library\/os-y-vs-nrs-gate-valves\/\">\u0645\u062d\u0628\u0633 OS&#038;Y \u0623\u0645 NRS\u061f<\/a><\/li>\n<li><a href=\"\/ar\/library\/check-valves-fire-protection-guide\/\">\u0645\u062d\u0628\u0633 \u0639\u062f\u0645 \u0627\u0644\u0631\u062c\u0648\u0639 \u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062d\u0631\u064a\u0642<\/a><\/li>\n<\/ul>\n<\/div>\n<section class=\"fm-a-faq\">\n<h2>\u0623\u0633\u0626\u0644\u0629 \u0634\u0627\u0626\u0639\u0629<\/h2>\n<details>\n<summary>\u0647\u0644 \u0645\u062d\u0628\u0633 \u0627\u0644\u0641\u0631\u0627\u0634\u0629 \u0645\u0642\u0628\u0648\u0644 \u0643\u0645\u062d\u0628\u0633 \u062a\u062d\u0643\u0645 \u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0631\u0634\u0627\u0634\u0627\u062a\u061f<\/summary>\n<p>\u0646\u0639\u0645\u060c \u0628\u0634\u0631\u0637 \u0623\u0646 \u064a\u0643\u0648\u0646 <a class=\"fm-il\" href=\"\/ar\/library\/ul-fm-approval-how-to-verify\/\">\u0645\u062f\u0631\u062c\u0627\u064b<\/a> \u0644\u062e\u062f\u0645\u0629 \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u062d\u0631\u064a\u0642 \u0648\u0645\u0646 \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0645\u0624\u0634\u0631 \u0648\u0645\u0631\u0627\u0642\u064e\u0628\u0627\u064b\u060c \u0648\u0623\u0646 \u064a\u0648\u0627\u0641\u0642 \u0639\u0644\u064a\u0647 \u0627\u0633\u062a\u0634\u0627\u0631\u064a \u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/p>\n<\/details>\n<details>\n<summary>\u0647\u0644 \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0648\u062f\u064a\u0644 \u0627\u0644\u0630\u0631\u0627\u0639 \u0641\u064a \u0646\u0638\u0627\u0645 \u062d\u0631\u064a\u0642\u061f<\/summary>\n<p>\u0645\u062d\u0627\u0628\u0633 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062d\u0631\u064a\u0642 \u064a\u062c\u0628 \u0623\u0646 \u062a\u0643\u0648\u0646 \u0645\u062f\u0631\u062c\u0629 \u0648\u0645\u0624\u0634\u0631\u0629 \u0648\u0645\u0631\u0627\u0642\u064e\u0628\u0629. \u0627\u0644\u0645\u0648\u062f\u064a\u0644\u0627\u062a \u0627\u0644\u0645\u062e\u0635\u0635\u0629 \u0644\u0634\u0628\u0643\u0627\u062a \u0627\u0644\u0645\u064a\u0627\u0647 \u062f\u0648\u0646 \u0627\u0639\u062a\u0645\u0627\u062f UL \/ FM \u0644\u064a\u0633\u062a \u0644\u0647\u0630\u0627 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645.<\/p>\n<\/details>\n<details>\n<summary>\u0644\u0645\u0627\u0630\u0627 \u0635\u0646\u062f\u0648\u0642 \u0627\u0644\u062a\u0631\u0648\u0633 \u0648\u0644\u064a\u0633 \u0630\u0631\u0627\u0639\u0627\u064b\u061f<\/summary>\n<p>\u0635\u0646\u062f\u0648\u0642 \u0627\u0644\u062a\u0631\u0648\u0633 \u064a\u062c\u0639\u0644 \u0627\u0644\u0625\u063a\u0644\u0627\u0642 \u062a\u062f\u0631\u064a\u062c\u064a\u0627\u064b\u060c \u0641\u064a\u0642\u0644\u0644 \u062e\u0637\u0631 \u0627\u0644\u0645\u0637\u0631\u0642\u0629 \u0627\u0644\u0645\u0627\u0626\u064a\u0629\u060c \u0648\u064a\u0648\u0641\u0651\u0631 \u0645\u0624\u0634\u0631\u0627\u064b \u0648\u0627\u0636\u062d\u0627\u064b \u0648\u0645\u0643\u0627\u0646\u0627\u064b \u0644\u0645\u0641\u062a\u0627\u062d \u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629.<\/p>\n<\/details>\n<\/section>\n<section class=\"fm-a-refs\">\n<h2>\u0627\u0644\u0645\u0631\u0627\u062c\u0639<\/h2>\n<ul>\n<li><b>NFPA 13<\/b> \u2014 Standard for the Installation of Sprinkler Systems.<\/li>\n<li><b>UL 1091<\/b> \u2014 Butterfly Valves for Fire-Protection Service.<\/li>\n<li><b>FM Class 1112<\/b> \u2014 Indicating Valves (Butterfly or Ball Type).<\/li>\n<li><b>MSS SP-67<\/b> \u2014 Butterfly Valves.<\/li>\n<li><b>AWWA C606<\/b> \u2014 Grooved and Shouldered Joints.<\/li>\n<\/ul>\n<\/section>\n<p class=\"fm-a-disc\">\u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644 \u0644\u0644\u062a\u0648\u0639\u064a\u0629 \u0627\u0644\u0641\u0646\u064a\u0629 \u0648\u0644\u0627 \u064a\u063a\u0646\u064a \u0639\u0646 \u0646\u0634\u0631\u0629 \u0627\u0644\u0645\u0635\u0646\u0639 \u0648\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0645\u0635\u0645\u0645 \u0627\u0644\u0645\u0639\u062a\u0645\u062f \u0644\u0644\u0645\u0634\u0631\u0648\u0639.<\/p>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u0643\u064a\u0641 \u064a\u0639\u0645\u0644 \u0645\u062d\u0628\u0633 \u0627\u0644\u0641\u0631\u0627\u0634\u0629\u060c \u0648\u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0648\u064a\u0641\u0631 \u0648\u0627\u0644\u0645\u062d\u0632\u0632\u060c \u0648\u0644\u0645\u0627\u0630\u0627 \u064a\u064f\u0634\u062a\u0631\u0637 \u0645\u0641\u062a\u0627\u062d \u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629 \u0641\u064a \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062d\u0631\u064a\u0642\u060c \u0645\u0639 \u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u0648\u062f\u064a\u0644\u0627\u062a MECH.<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"rank_math_focus_keyword":"\u0645\u062d\u0628\u0633 \u0627\u0644\u0641\u0631\u0627\u0634\u0629,butterfly valve","rank_math_description":"","footnotes":""},"guide_topic":[221],"class_list":["post-6046","guide","type-guide","status-publish","hentry","guide_topic-valves"],"acf":{"fmg_reviewer":"","fmg_reviewer_source":{"label":"\u0631\u0627\u062c\u0639\u0647 \u0641\u0646\u064a\u0627\u064b","type":"text","formatted_value":""},"fmg_reviewed":null,"fmg_reviewed_source":{"label":"\u062a\u0627\u0631\u064a\u062e 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