{"id":8293,"date":"2026-05-28T18:14:48","date_gmt":"2026-05-28T18:14:48","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?p=8293"},"modified":"2026-05-28T18:15:16","modified_gmt":"2026-05-28T18:15:16","slug":"overpressure-protection-relief-valve","status":"publish","type":"post","link":"https:\/\/www.yunrui-controls.com\/uz\/overpressure-protection-relief-valve\/","title":{"rendered":"Haddan tashqari bosimdan himoya qilish: Relief Valve ish printsiplari va Fisher seriyali qo&#039;llanmasi"},"content":{"rendered":"<div style=\"max-width: 900px; margin: 0 auto; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.7; color: #2c3e50;\">\n<p><!-- Hero Section --><\/p>\n<div style=\"background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%); padding: 40px; border-radius: 12px; margin-bottom: 30px; text-align: center;\">\n<h1 style=\"color: white; margin: 0 0 15px 0; font-size: 2.2em; font-weight: bold;\">Haddan tashqari bosimdan himoya qilish: Relief valve ish tamoyillari<\/h1>\n<p style=\"color: rgba(255,255,255,0.95); font-size: 1.2em; margin: 0; font-weight: 300;\">Gaz quvuri bosimini boshqarish uchun asosiy xavfsizlik tizimlari<\/p>\n<\/div>\n<p><!-- Warning Box --><\/p>\n<div style=\"background: #fff3cd; border-left: 5px solid #ffc107; padding: 25px; margin: 30px 0; border-radius: 0 8px 8px 0;\">\n<h3 style=\"margin: 0 0 10px 0; color: #856404;\">\u26a0\ufe0f Muhim xavfsizlik eslatmasi<\/h3>\n<p style=\"margin: 0; color: #856404;\"><strong>Haddan tashqari bosimdan himoya<\/strong> barcha quvur tizimlarini loyihalashda asosiy e&#039;tiborga olinadigan narsadir. Uning maqsadi regulyatorning quyi oqim bosimini xavfsiz maksimal qiymatda ushlab turishdir. Tegishli himoya bo&#039;lmasa, tizimning ishdan chiqishi halokatli oqibatlarga olib kelishi mumkin.<\/p>\n<\/div>\n<p><!-- Introduction --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">Haddan tashqari bosimdan himoya qilishni tushunish<\/h2>\n<p>Yuqori bosimli uzatish va taqsimlash tizimi tabiiy gazni regulyator orqali individual foydalanuvchilarga xizmat ko&#039;rsatadigan past bosimli tizimga yetkazib beradi. Regulyator, quvurlar va gazni qayta ishlash uskunalari ortiqcha bosim sharoitlaridan himoyalangan. <strong style=\"color: #c0392b;\">relyef klapanlari<\/strong>.<\/p>\n<p>Relyef klapanining o&#039;rnatilgan qiymati tomonidan aniqlangan bosim darajasiga o&#039;rnatiladi <strong>minimal maksimal nominal bosim qiymati<\/strong> past bosimli tizim komponentlari.<\/p>\n<p><!-- How It Works --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">Haddan tashqari bosim qanday paydo bo&#039;ladi<\/h2>\n<p>Tizim bosimi uni boshqaradigan uskunaning belgilangan qiymatidan oshib ketganda, ortiqcha bosim yuzaga keladi. Bu tizimdagi xatolikni ko&#039;rsatadi (odatda yuqori oqim regulyatorida). Agar bu bosim cheklanmagan bo&#039;lsa, bu tizimning to&#039;liq ishdan chiqishiga olib kelishi mumkin.<\/p>\n<div style=\"background: #e8f4f8; padding: 25px; border-radius: 8px; margin: 25px 0;\">\n<h4 style=\"margin: 0 0 15px 0; color: #c0392b;\">Haddan tashqari bosimdan himoya qilishni amalga oshirish uchun:<\/h4>\n<ol style=\"margin: 0; padding-left: 20px;\">\n<li style=\"margin-bottom: 10px;\">Tizimning eng zaif qismini aniqlang<\/li>\n<li style=\"margin-bottom: 10px;\">Haddan tashqari bosimni ushbu komponentning maksimal nominal bosimidan pastroqqa cheklang<\/li>\n<\/ol>\n<\/div>\n<p><!-- Maximum Pressure Considerations --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">Maksimal bosimni hisobga olish<\/h2>\n<p>Bosim o&#039;tkazuvchi tizimning eng zaif qismini aniqlash uchun quyidagi komponentlarni tekshiring:<\/p>\n<div style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin: 25px 0;\">\n<div style=\"background: white; border-radius: 10px; padding: 25px; box-shadow: 0 4px 6px rgba(0,0,0,0.07); border-top: 4px solid #e74c3c;\">\n<h3 style=\"margin: 0 0 15px 0; color: #e74c3c; font-size: 1.2em;\">\ud83d\udd27 Pastki oqim uskunalari<\/h3>\n<p style=\"margin: 0; color: #555;\">Eng kichik maksimal nominal bosimga ega bo&#039;lgan quyi oqim komponenti (jihozlar, gorelkalar, qozonlar va boshqalar) barcha quyi oqim uskunalari uchun eng yuqori bosim qiymatini belgilaydi.<\/p>\n<\/div>\n<div style=\"background: white; border-radius: 10px; padding: 25px; box-shadow: 0 4px 6px rgba(0,0,0,0.07); border-top: 4px solid #3498db;\">\n<h3 style=\"margin: 0 0 15px 0; color: #3498db; font-size: 1.2em;\">\u2699\ufe0f Asosiy regulyator<\/h3>\n<p style=\"margin: 0; color: #555;\">Regulyatorlar turli bosim ko&#039;rsatkichlariga ega: kirish bosimi, chiqish bosimi va ichki bosim. Ularning minimal qiymati ruxsat etilgan maksimal bosimni belgilaydi.<\/p>\n<\/div>\n<div style=\"background: white; border-radius: 10px; padding: 25px; box-shadow: 0 4px 6px rgba(0,0,0,0.07); border-top: 4px solid #27ae60;\">\n<h3 style=\"margin: 0 0 15px 0; color: #27ae60; font-size: 1.2em;\">\ud83d\udd04 Quvurlar<\/h3>\n<p style=\"margin: 0; color: #555;\">Quvurlar bosimni ushlab turish qobiliyati bilan cheklangan. Jismoniy cheklovlardan tashqari, amaliy qo&#039;llanmalar bir yoki bir nechta tegishli nominal bosim kodlari yoki qoidalariga muvofiq bo&#039;lishi kerak.<\/p>\n<\/div>\n<\/div>\n<div style=\"background: #e8f8f5; padding: 20px; border-radius: 8px; margin: 25px 0; border-left: 4px solid #27ae60;\">\n<p style=\"margin: 0;\"><strong>Asosiy tamoyil:<\/strong> The <strong>eng past qiymat<\/strong> bu uchta maksimal nominal bosim orasida <strong>maksimal ruxsat etilgan bosim<\/strong> butun tizim uchun.<\/p>\n<\/div>\n<p><!-- Relief Valve Function --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">Relief Valve Function<\/h2>\n<p>Yengillik regulyatorning pastki oqim bosimini xavfsiz maksimal qiymatda ushlab turish uchun suyuqlikni boshqa past bosimli tizimga (odatda atmosferaga) shamollatadigan qurilma orqali amalga oshiriladi.<\/p>\n<div style=\"background: #fff3cd; border-left: 5px solid #ffc107; padding: 20px; margin: 25px 0; border-radius: 0 8px 8px 0;\">\n<h4 style=\"margin: 0 0 10px 0; color: #856404;\">\u26a0\ufe0f Muhim xavfsizlik talabi<\/h4>\n<p style=\"margin: 0; color: #856404;\">Relief klapanining zaryadsizlanishi a ga yo&#039;naltirilishi kerak <strong>xavfsiz joylashuv<\/strong>. Xavfsiz ishlash uchun to&#039;g&#039;ri shamollatish juda muhimdir.<\/p>\n<\/div>\n<p>Relief klapanlari hisoblanadi <strong style=\"color: #c0392b;\">eng ishonchli ortiqcha bosimdan himoya qilish usuli<\/strong> mavjud va turli shakllarda bo&#039;ladi.<\/p>\n<p><!-- Fisher Relief Valves --><\/p>\n<div style=\"background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); padding: 30px; border-radius: 12px; color: white; margin: 30px 0;\">\n<h3 style=\"margin: 0 0 15px 0; font-size: 1.3em;\"><a href=\"https:\/\/www.yunrui-controls.com\/uz\/brands\/fisher\/regulators-relief-valves\/\"><span style=\"color: #ffffff;\">Fisher Relief Valve seriyasi<\/span><\/a><\/h3>\n<p style=\"margin: 0 0 15px 0; opacity: 0.95;\"><strong>Eslatma:<\/strong> Fisher relyef klapanlari <strong>EMAS<\/strong> ASME xavfsizlik klapanlari. Ular gaz bosimini tartibga solish uchun maxsus ishlab chiqilgan.<\/p>\n<p style=\"margin: 0;\">YUNRUI tabiiy gaz tizimlari uchun to&#039;liq Fisher relyef klapan yechimlarini taqdim etadi.<\/p>\n<\/div>\n<p><!-- Common Fisher Series --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">Umumiy <a href=\"https:\/\/www.yunrui-controls.com\/uz\/brands\/fisher\/regulators-relief-valves\/\">Fisher Relief Valve seriyasi<\/a><\/h2>\n<table style=\"width: 100%; border-collapse: collapse; margin: 25px 0; font-size: 14px; background-color: white; box-shadow: 0 2px 8px rgba(0,0,0,0.1);\">\n<thead>\n<tr style=\"background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%);\">\n<th style=\"padding: 15px; text-align: left; color: white; font-weight: 600;\">Seriyalar<\/th>\n<th style=\"padding: 15px; text-align: left; color: white; font-weight: 600;\">Turi<\/th>\n<th style=\"padding: 15px; text-align: left; color: white; font-weight: 600;\">Ilovalar<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background-color: #f8f9fa;\">\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\"><a href=\"https:\/\/www.yunrui-controls.com\/uz\/products\/fisher-h200-series\/\">Fisher H200 seriyasi<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Relief Valve<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Past bosimli gaz tizimlari<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\">Fisher H800 seriyasi<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Relief Valve<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">O&#039;rta bosimli dasturlar<\/td>\n<\/tr>\n<tr style=\"background-color: #f8f9fa;\">\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\"><a href=\"https:\/\/www.yunrui-controls.com\/uz\/products\/fisher-289-series\/\">Fisher 289 seriyasi<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Relief Valve<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Tijorat\/sanoat tizimlari<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\"><a href=\"https:\/\/www.yunrui-controls.com\/uz\/products\/fisher-627-series\/\">Fisher 627 seriyasi<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Relief Valve\/Orqa bosim<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">To&#039;g&#039;ridan-to&#039;g&#039;ri boshqariladigan regulyatorlar<\/td>\n<\/tr>\n<tr style=\"background-color: #f8f9fa;\">\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\"><a href=\"https:\/\/www.yunrui-controls.com\/uz\/products\/fisher-type-630\/\">Fisher 630 seriyasi<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Relief Valve<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Yuqori sig&#039;imli relyef<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\"><a href=\"https:\/\/www.yunrui-controls.com\/uz\/products\/fisher-mr98-series\/\">Fisher MR98 seriyasi<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Relief Valve<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Yilni dizayn ilovalari<\/td>\n<\/tr>\n<tr style=\"background-color: #f8f9fa;\">\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\"><a href=\"https:\/\/www.yunrui-controls.com\/uz\/products\/fisher-ezr-series\/\">Fisher EZR seriyasi<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Relief Valve<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Yuqori bosimli uzatish<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\"><a href=\"https:\/\/www.yunrui-controls.com\/uz\/products\/fisher-type-63eg-98hm\/\">Fisher 63EG seriyasi<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Relief Valve<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Uchuvchi tomonidan boshqariladigan tizimlar<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- Selection Guide --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">Tanlov bo&#039;yicha ko&#039;rsatmalar<\/h2>\n<div style=\"display: flex; gap: 20px; margin: 25px 0; flex-wrap: wrap;\">\n<div style=\"flex: 1; min-width: 200px; background: #f8f9fa; padding: 25px; border-radius: 8px; border-left: 4px solid #e74c3c;\">\n<h3 style=\"margin: 0 0 15px 0; color: #e74c3c; font-size: 1.1em;\">Bosim reytingi<\/h3>\n<p style=\"margin: 0; color: #555;\">Tizimning ruxsat etilgan maksimal bosimi va kerakli tushirish quvvatiga qarab klapanni tanlang.<\/p>\n<\/div>\n<div style=\"flex: 1; min-width: 200px; background: #f8f9fa; padding: 25px; border-radius: 8px; border-left: 4px solid #3498db;\">\n<h3 style=\"margin: 0 0 15px 0; color: #3498db; font-size: 1.1em;\">Oqim hajmi<\/h3>\n<p style=\"margin: 0; color: #555;\">Eng yomon holatdagi ortiqcha bosim stsenariylari uchun yetarli oqim quvvatini ta&#039;minlang.<\/p>\n<\/div>\n<div style=\"flex: 1; min-width: 200px; background: #f8f9fa; padding: 25px; border-radius: 8px; border-left: 4px solid #27ae60;\">\n<h3 style=\"margin: 0 0 15px 0; color: #27ae60; font-size: 1.1em;\">Shamollatish joyi<\/h3>\n<p style=\"margin: 0; color: #555;\">Ate\u015fleme manbalari va band bo&#039;lgan joylardan uzoqda xavfsiz chiqarish yo&#039;nalishini rejalashtiring.<\/p>\n<\/div>\n<\/div>\n<p><!-- Conclusion --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">Xulosa<\/h2>\n<p>Gaz tizimining xavfsiz ishlashi uchun ortiqcha bosimdan to&#039;g&#039;ri himoya qilish juda muhimdir. O&#039;chirish klapanlari tizim komponentlari shikastlanmasdan oldin ortiqcha bosimni xavfsiz joyga chiqarish orqali eng ishonchli himoyani ta&#039;minlaydi.<\/p>\n<p>Relyef klapanlarini tanlashda har doim e&#039;tiborga oling <strong>eng zaif komponent<\/strong> tizimingizda saqlang va relef klapanining o&#039;rnatilgan qiymati maksimal nominal bosimdan past ekanligiga ishonch hosil qiling. <a style=\"color: #3498db; text-decoration: none; font-weight: 600;\" href=\"https:\/\/www.yunrui-controls.com\/uz\/brands\/fisher\/\">Fisher relyef klapanlari<\/a> bosim ko&#039;rsatkichlari va qo&#039;llanilishlarining keng doirasi bo&#039;yicha tasdiqlangan ishlashni taklif eting.<\/p>\n<div style=\"background: linear-gradient(135deg, #c0392b 0%, #e74c3c 100%); padding: 30px; border-radius: 12px; color: white; margin: 30px 0;\">\n<h3 style=\"margin: 0 0 15px 0;\">Asosiy xulosalar<\/h3>\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li style=\"margin-bottom: 8px;\">Haddan tashqari bosimdan himoya qilish quvur liniyasi xavfsizligining asosiy shartidir<\/li>\n<li style=\"margin-bottom: 8px;\">Avval tizimning eng zaif komponentini aniqlang<\/li>\n<li style=\"margin-bottom: 8px;\">Relief valfini minimal nominal bosimdan pastga qo&#039;ying<\/li>\n<li style=\"margin-bottom: 8px;\">Atmosferaga xavfsiz shamollatishni ta&#039;minlang<\/li>\n<li style=\"margin-bottom: 8px;\">Fisher relyef klapanlari ASME xavfsizlik klapanlari EMAS<\/li>\n<\/ul>\n<\/div>\n<p><!-- Contact CTA --><\/p>\n<p><!-- Related Reading --><\/p>\n<h3 style=\"color: #2c3e50; margin-top: 40px;\">Tavsiya etilgan o&#039;qish<\/h3>\n<ul style=\"padding-left: 20px;\">\n<li style=\"margin-bottom: 10px;\"><a href=\"https:\/\/www.yunrui-controls.com\/uz\/technical-manual-fisher-627-series-regulator\/\">Fisher 627 bosimni pasaytiruvchi regulyator texnik qo&#039;llanmasi<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a href=\"https:\/\/www.yunrui-controls.com\/uz\/fisher-ezr-regulator-operational-principles\/\">Fisher EZR bosim regulyatori: xususiyatlari va qo&#039;llanilishi<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"color: #3498db; text-decoration: none;\" href=\"https:\/\/www.yunrui-controls.com\/uz\/fisher-mr98-series-technical-specification\/\">Fisher MR98 seriyali orqa bosim regulyatoriga umumiy nuqtai nazar<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Overpressure Protection: Relief Valve Working Principles Essential Safety Systems for Gas Pipeline Pressure Control \u26a0\ufe0f Critical Safety Note Overpressure protection is a fundamental consideration in all pipeline system designs. Its purpose is to maintain the downstream pressure of the regulator at a safe maximum value. Without proper protection, system failure can result in catastrophic consequences. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8002,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[384,1],"tags":[491,492,493,494,489,490,315,317],"class_list":["post-8293","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-blogs","tag-fisher-h200","tag-fisher-ezr","tag-gas-safety","tag-pressure-regulation","tag-relief-valve","tag-overpressure-protection","tag-fisher-627","tag-fisher-mr98"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Overpressure Protection: Relief Valve Working Principles | YUNRUI<\/title>\n<meta name=\"description\" content=\"Learn about overpressure protection systems and Fisher relief valve series (H200, H800, 289, 627, 630, MR98, EZR, 63EG) for safe gas pipeline operation.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.yunrui-controls.com\/uz\/overpressure-protection-relief-valve\/\" \/>\n<meta property=\"og:locale\" content=\"uz_UZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Overpressure Protection: Relief Valve Working Principles and Fisher Series Guide\" \/>\n<meta property=\"og:description\" content=\"Learn about overpressure protection systems and Fisher relief valve series (H200, H800, 289, 627, 630, MR98, EZR, 63EG) for safe gas pipeline operation.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.yunrui-controls.com\/uz\/overpressure-protection-relief-valve\/\" \/>\n<meta property=\"og:site_name\" content=\"Fisher, E+H &amp; 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