{"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\/id\/overpressure-protection-relief-valve\/","title":{"rendered":"Perlindungan Tekanan Berlebih: Prinsip Kerja Katup Pelepas Tekanan dan Panduan Seri Fisher"},"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;\">Perlindungan Tekanan Berlebih: Prinsip Kerja Katup Pelepas Tekanan<\/h1>\n<p style=\"color: rgba(255,255,255,0.95); font-size: 1.2em; margin: 0; font-weight: 300;\">Sistem Keselamatan Esensial untuk Pengendalian Tekanan Pipa Gas<\/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 Catatan Keselamatan Penting<\/h3>\n<p style=\"margin: 0; color: #856404;\"><strong>Perlindungan terhadap tekanan berlebih<\/strong> Ini merupakan pertimbangan mendasar dalam semua desain sistem perpipaan. Tujuannya adalah untuk menjaga tekanan hilir regulator pada nilai maksimum yang aman. Tanpa perlindungan yang memadai, kegagalan sistem dapat mengakibatkan konsekuensi yang mengerikan.<\/p>\n<\/div>\n<p><!-- Introduction --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">Memahami Perlindungan Tekanan Berlebih<\/h2>\n<p>Sistem transmisi dan distribusi tekanan tinggi mengalirkan gas alam melalui regulator ke sistem tekanan rendah yang melayani pengguna individual. Regulator, perpipaan, dan peralatan penanganan gas dilindungi dari kondisi tekanan berlebih oleh <strong style=\"color: #c0392b;\">katup pelepas<\/strong>.<\/p>\n<p>Titik setelan katup pelepas disesuaikan ke tingkat tekanan yang ditentukan oleh <strong>nilai tekanan nominal minimum maksimum<\/strong> dari komponen sistem tekanan rendah.<\/p>\n<p><!-- How It Works --><\/p>\n<h2 style=\"color: #2c3e50; border-bottom: 3px solid #e74c3c; padding-bottom: 10px; margin-top: 40px;\">Bagaimana Tekanan Berlebih Terjadi<\/h2>\n<p>Tekanan berlebih terjadi ketika tekanan sistem melebihi titik pengaturan peralatan yang mengendalikannya. Ini menunjukkan adanya kesalahan dalam sistem (biasanya pada regulator hulu). Jika tekanan ini tidak dibatasi, dapat menyebabkan kegagalan sistem total.<\/p>\n<div style=\"background: #e8f4f8; padding: 25px; border-radius: 8px; margin: 25px 0;\">\n<h4 style=\"margin: 0 0 15px 0; color: #c0392b;\">Untuk menerapkan perlindungan terhadap tekanan berlebih:<\/h4>\n<ol style=\"margin: 0; padding-left: 20px;\">\n<li style=\"margin-bottom: 10px;\">Identifikasi bagian terlemah dari sistem tersebut.<\/li>\n<li style=\"margin-bottom: 10px;\">Batasi tekanan berlebih di bawah tekanan maksimum yang ditentukan untuk komponen tersebut.<\/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;\">Pertimbangan Tekanan Maksimum<\/h2>\n<p>Periksa komponen-komponen berikut untuk menentukan bagian terlemah dari sistem penahan tekanan:<\/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 Peralatan Hilir<\/h3>\n<p style=\"margin: 0; color: #555;\">Komponen hilir dengan tekanan nominal maksimum terkecil (peralatan rumah tangga, pembakar, boiler, dll.) menentukan nilai tekanan tertinggi untuk semua peralatan hilir.<\/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 Regulator Utama<\/h3>\n<p style=\"margin: 0; color: #555;\">Regulator memiliki berbagai peringkat tekanan: tekanan masuk, tekanan keluar, dan tekanan internal. Nilai minimum dari ketiganya menentukan tekanan maksimum yang diizinkan.<\/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 Pipa<\/h3>\n<p style=\"margin: 0; color: #555;\">Pipa dibatasi oleh kapasitas penahan tekanannya. Selain batasan fisik, aplikasi praktis harus mematuhi satu atau lebih kode atau peraturan tekanan terukur yang berlaku.<\/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>Prinsip Utama:<\/strong> Itu <strong>nilai terendah<\/strong> di antara ketiga tekanan maksimum yang dinilai ini menjadi <strong>tekanan maksimum yang diizinkan<\/strong> untuk seluruh sistem.<\/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;\">Fungsi Katup Pelepas Tekanan<\/h2>\n<p>Pelepasan tekanan dilakukan melalui perangkat yang membuang cairan ke sistem bertekanan rendah lainnya (biasanya atmosfer) untuk menjaga tekanan hilir regulator pada nilai maksimum yang aman.<\/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 Persyaratan Keselamatan Penting<\/h4>\n<p style=\"margin: 0; color: #856404;\">Aliran keluar katup pengaman harus diarahkan ke... <strong>lokasi aman<\/strong>. Ventilasi yang tepat sangat penting untuk pengoperasian yang aman.<\/p>\n<\/div>\n<p>Katup pengaman dianggap sebagai <strong style=\"color: #c0392b;\">metode perlindungan tekanan berlebih yang paling andal<\/strong> tersedia dan hadir dalam berbagai bentuk.<\/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\/id\/brands\/fisher\/regulators-relief-valves\/\"><span style=\"color: #ffffff;\">Seri Katup Pelepas Tekanan Fisher<\/span><\/a><\/h3>\n<p style=\"margin: 0 0 15px 0; opacity: 0.95;\"><strong>Catatan:<\/strong> Katup pelepas tekanan Fisher adalah <strong>BUKAN<\/strong> Katup pengaman ASME. Katup ini dirancang khusus untuk aplikasi pengaturan tekanan gas.<\/p>\n<p style=\"margin: 0;\">YUNRUI menyediakan solusi katup pengaman Fisher lengkap untuk sistem gas alam.<\/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;\">Umum <a href=\"https:\/\/www.yunrui-controls.com\/id\/brands\/fisher\/regulators-relief-valves\/\">Seri Katup Pelepas Tekanan Fisher<\/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;\">Seri<\/th>\n<th style=\"padding: 15px; text-align: left; color: white; font-weight: 600;\">Jenis<\/th>\n<th style=\"padding: 15px; text-align: left; color: white; font-weight: 600;\">Aplikasi<\/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\/id\/products\/fisher-h200-series\/\">Seri Fisher H200<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Katup Pelepas Tekanan<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Sistem gas bertekanan rendah<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0; font-weight: 600;\">Seri Fisher H800<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Katup Pelepas Tekanan<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Aplikasi tekanan menengah<\/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\/id\/products\/fisher-289-series\/\">Seri Fisher 289<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Katup Pelepas Tekanan<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Sistem komersial\/industri<\/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\/id\/products\/fisher-627-series\/\">Seri Fisher 627<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Katup Pelepas Tekanan\/Tekanan Balik<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Regulator yang dioperasikan langsung<\/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\/id\/products\/fisher-type-630\/\">Seri Fisher 630<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Katup Pelepas Tekanan<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Bantuan berkapasitas tinggi<\/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\/id\/products\/fisher-mr98-series\/\">Seri Fisher MR98<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Katup Pelepas Tekanan<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Aplikasi desain ringkas<\/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\/id\/products\/fisher-ezr-series\/\">Seri Fisher EZR<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Katup Pelepas Tekanan<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Transmisi tekanan tinggi<\/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\/id\/products\/fisher-type-63eg-98hm\/\">Seri Fisher 63EG<\/a><\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Katup Pelepas Tekanan<\/td>\n<td style=\"padding: 15px; border-bottom: 1px solid #e0e0e0;\">Sistem yang dioperasikan pilot<\/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;\">Pedoman Seleksi<\/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;\">Peringkat Tekanan<\/h3>\n<p style=\"margin: 0; color: #555;\">Pilih katup berdasarkan tekanan maksimum yang diizinkan dalam sistem dan kapasitas pelepasan yang dibutuhkan.<\/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;\">Kapasitas Aliran<\/h3>\n<p style=\"margin: 0; color: #555;\">Pastikan kapasitas aliran yang memadai untuk skenario tekanan berlebih terburuk.<\/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;\">Lokasi Ventilasi<\/h3>\n<p style=\"margin: 0; color: #555;\">Rencanakan jalur pembuangan yang aman menjauh dari sumber api dan area yang dihuni.<\/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;\">Kesimpulan<\/h2>\n<p>Perlindungan terhadap tekanan berlebih yang tepat sangat penting untuk pengoperasian sistem gas yang aman. Katup pengaman memberikan perlindungan paling andal dengan membuang tekanan berlebih ke lokasi yang aman sebelum komponen sistem rusak.<\/p>\n<p>Saat memilih katup pengaman, selalu pertimbangkan hal-hal berikut: <strong>komponen terlemah<\/strong> dalam sistem Anda dan pastikan titik setel katup pelepas berada di bawah tekanan maksimum yang ditentukan. <a style=\"color: #3498db; text-decoration: none; font-weight: 600;\" href=\"https:\/\/www.yunrui-controls.com\/id\/brands\/fisher\/\">Katup pelepas tekanan Fisher<\/a> Menawarkan kinerja yang terbukti di berbagai tingkat tekanan dan aplikasi.<\/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;\">Poin-Poin Penting<\/h3>\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li style=\"margin-bottom: 8px;\">Perlindungan terhadap tekanan berlebih sangat mendasar untuk keselamatan pipa.<\/li>\n<li style=\"margin-bottom: 8px;\">Identifikasi komponen sistem yang paling lemah terlebih dahulu.<\/li>\n<li style=\"margin-bottom: 8px;\">Atur katup pengaman di bawah tekanan minimum yang ditentukan.<\/li>\n<li style=\"margin-bottom: 8px;\">Pastikan ventilasi yang aman ke atmosfer.<\/li>\n<li style=\"margin-bottom: 8px;\">Katup pelepas tekanan Fisher BUKAN katup pengaman ASME.<\/li>\n<\/ul>\n<\/div>\n<p><!-- Contact CTA --><\/p>\n<p><!-- Related Reading --><\/p>\n<h3 style=\"color: #2c3e50; margin-top: 40px;\">Bacaan yang Direkomendasikan<\/h3>\n<ul style=\"padding-left: 20px;\">\n<li style=\"margin-bottom: 10px;\"><a href=\"https:\/\/www.yunrui-controls.com\/id\/technical-manual-fisher-627-series-regulator\/\">Panduan Teknis Regulator Pengurang Tekanan Fisher 627<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a href=\"https:\/\/www.yunrui-controls.com\/id\/fisher-ezr-regulator-operational-principles\/\">Regulator Tekanan Fisher EZR: Fitur dan Aplikasi<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"color: #3498db; text-decoration: none;\" href=\"https:\/\/www.yunrui-controls.com\/id\/fisher-mr98-series-technical-specification\/\">Gambaran Umum Regulator Tekanan Balik Seri Fisher MR98<\/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\/id\/overpressure-protection-relief-valve\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\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\/id\/overpressure-protection-relief-valve\/\" \/>\n<meta property=\"og:site_name\" content=\"Fisher, E+H &amp; 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