{"id":7806,"date":"2026-04-12T16:56:10","date_gmt":"2026-04-12T16:56:10","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?p=7806"},"modified":"2026-04-12T16:57:54","modified_gmt":"2026-04-12T16:57:54","slug":"fisher-mr95-pressure-reducing-valves-and-mr98","status":"publish","type":"post","link":"https:\/\/www.yunrui-controls.com\/id\/fisher-mr95-pressure-reducing-valves-and-mr98\/","title":{"rendered":"Fisher MR95 Pressure Reducing Valves and MR98 Back Pressure Valves: Precision Pressure Control Solutions for Harsh Environments"},"content":{"rendered":"<p data-path-to-node=\"3\">In high-standard industrial sectors such as oil and gas, power generation, and fine chemicals, the stability of pressure control systems is the cornerstone of operational safety. Facing the extreme challenges of high temperatures (up to 343\u00b0C), high pressures (up to 1000 psig), and highly corrosive media, the <a href=\"https:\/\/www.yunrui-controls.com\/id\/products\/fisher-mr95-series\/\">Fisher MR95 series<\/a> pressure reducing valves and<a href=\"https:\/\/www.yunrui-controls.com\/id\/products\/fisher-mr98-series\/\"> MR98 series<\/a> back pressure valves from Emerson have become recognized technical benchmarks in the global industrial arena.<\/p>\n<p data-path-to-node=\"4\">To meet urgent project demands, Xi&#8217;an Yunrui Trading Co., Ltd. (yunrui) maintains a significant inventory of these prominent models. Leveraging our direct supply channels, we offer highly competitive pricing to ensure your projects are delivered efficiently and cost-effectively.<br \/>\n<img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-7807\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-1-225x300.jpg\" alt=\"Original Fisher MR95 series pressure reducing valves and MR98 series back pressure valves from YUNRUI's Chinese supplier.\" width=\"320\" height=\"427\" srcset=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-1-225x300.jpg 225w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-1-768x1024.jpg 768w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-1-9x12.jpg 9w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-1.jpg 1080w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><img decoding=\"async\" class=\"alignnone wp-image-7808\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/m98-225x300.jpg\" alt=\"Original Fisher MR95 series pressure reducing valves and MR98 series back pressure valves from YUNRUI's Chinese supplier.\" width=\"320\" height=\"427\" srcset=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/m98-225x300.jpg 225w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/m98-768x1024.jpg 768w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/m98-9x12.jpg 9w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/m98.jpg 1080w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/p>\n<h2 data-path-to-node=\"5\">1. Core Technical Principles: Millisecond-Response Direct-Acting Regulation<\/h2>\n<p data-path-to-node=\"6\">The Fisher MR95 and MR98 series both utilize direct-acting regulation principles. This technology requires no external pneumatic or electric power sources, achieving regulation solely through the balance between the medium&#8217;s own pressure and the internal precision spring force. This results in rapid response, structural simplicity, and extremely low maintenance costs.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-7809\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95\u548c98-300x225.jpg\" alt=\"Original Fisher MR95 series pressure reducing valves and MR98 series back pressure valves from Chinese supplier Yunrui.\" width=\"385\" height=\"289\" srcset=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95\u548c98-300x225.jpg 300w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95\u548c98-1024x768.jpg 1024w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95\u548c98-768x576.jpg 768w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95\u548c98-16x12.jpg 16w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95\u548c98.jpg 1440w\" sizes=\"(max-width: 385px) 100vw, 385px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7810\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-3-300x225.jpg\" alt=\"Original Fisher MR95 series pressure reducing valves and MR98 series back pressure valves from Chinese supplier Yunrui.\" width=\"385\" height=\"289\" srcset=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-3-300x225.jpg 300w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-3-1024x768.jpg 1024w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-3-768x576.jpg 768w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-3-16x12.jpg 16w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-3.jpg 1440w\" sizes=\"(max-width: 385px) 100vw, 385px\" \/><\/p>\n<h3 data-path-to-node=\"7\">MR95 Series Pressure Reducing Valves: Differential Pressure Compensation<\/h3>\n<p data-path-to-node=\"8\"><a href=\"https:\/\/www.yunrui-controls.com\/id\/products\/fisher-mr95-series\/\">The MR95 series<\/a> achieves pressure reduction through a mechanical conduction structure involving the diaphragm, valve stem, and valve core. Its core highlight is the built-in differential pressure compensation mechanism, which effectively neutralizes the interference of upstream pressure fluctuations on regulation accuracy. Even when inlet pressure fluctuates by \u00b120%, the outlet pressure deviation remains within \u2264\u00b13%, far exceeding conventional industry standards.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7811\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-2-225x300.jpg\" alt=\"Original Fisher MR95 series pressure reducing valves and MR98 series back pressure valves from Chinese supplier Yunrui.\" width=\"249\" height=\"332\" srcset=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-2-225x300.jpg 225w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-2-768x1024.jpg 768w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-2-9x12.jpg 9w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-2.jpg 1080w\" sizes=\"(max-width: 249px) 100vw, 249px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7812\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-4-225x300.jpg\" alt=\"Original Fisher MR95 series pressure reducing valves and MR98 series back pressure valves from Chinese supplier Yunrui.\" width=\"249\" height=\"332\" srcset=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-4-225x300.jpg 225w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-4-768x1024.jpg 768w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-4-9x12.jpg 9w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-4.jpg 1080w\" sizes=\"(max-width: 249px) 100vw, 249px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7813\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-225x300.jpg\" alt=\"Original Fisher MR95 series pressure reducing valves and MR98 series back pressure valves from Chinese supplier Yunrui.\" width=\"249\" height=\"332\" srcset=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-225x300.jpg 225w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-768x1024.jpg 768w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95-9x12.jpg 9w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95.jpg 1080w\" sizes=\"(max-width: 249px) 100vw, 249px\" \/><\/p>\n<h3 data-path-to-node=\"9\">MR98 Series Back Pressure Valves: Multi-Mode Pressure Control<\/h3>\n<p data-path-to-node=\"10\"><a href=\"https:\/\/www.yunrui-controls.com\/id\/products\/fisher-mr98-series\/\">The MR98 series<\/a> integrates back pressure maintenance and overpressure relief functions. It supports both internal and external pressure sensing modes. The external sensing design allows for direct perception of downstream system pressure, effectively avoiding pressure loss when high-viscosity media flow through the valve body, making it ideal for clog-prone or high-viscosity industrial fluids.<\/p>\n<h2 data-path-to-node=\"11\">2. Precise Selection: Full-Dimensional Material Adaptation<\/h2>\n<p data-path-to-node=\"12\">To address pain points such as corrosion, wear, and aging, the MR95 and MR98 provide an exceptionally rich matrix of material combinations, ensuring a long service life across diverse media environments. Available materials are extensive and can be precisely matched to your specific working conditions.<\/p>\n<table data-path-to-node=\"13\">\n<thead>\n<tr>\n<td><strong>Component<\/strong><\/td>\n<td><strong>Material Options<\/strong><\/td>\n<td><strong>Technical Indicators and Applications<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"13,1,0,0\">Valve Body<\/span><\/td>\n<td><span data-path-to-node=\"13,1,1,0\">WCC Steel, CF8M\/CF3M Stainless Steel<\/span><\/td>\n<td><span data-path-to-node=\"13,1,2,0\">CF3M stainless steel significantly improves pitting resistance against chloride media.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"13,2,0,0\">Core\/Seat<\/span><\/td>\n<td><span data-path-to-node=\"13,2,1,0\">316 Stainless Steel, Stellite Alloy<\/span><\/td>\n<td><span data-path-to-node=\"13,2,2,0\">Stellite alloy features extreme hardness, with 5x the erosion resistance of standard steel.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"13,3,0,0\">Seals<\/span><\/td>\n<td><span data-path-to-node=\"13,3,1,0\">NBR, EPDM, FKM, FFKM, PTFE<\/span><\/td>\n<td><span data-path-to-node=\"13,3,2,0\">FFKM materials offer wide temperature ranges and resistance to almost all chemicals.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"13,4,0,0\">Diaphragm<\/span><\/td>\n<td><span data-path-to-node=\"13,4,1,0\">Reinforced FKM Composite, Metal Bellows<\/span><\/td>\n<td><span data-path-to-node=\"13,4,2,0\">Composite diaphragms feature a cycle life of \u2265100,000, suitable for high-frequency regulation.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-path-to-node=\"14\">3. Structural Optimization: Reducing Long-Term Operating Costs<\/h2>\n<ol start=\"1\" data-path-to-node=\"15\">\n<li>\n<p data-path-to-node=\"15,0,0\">Modular Design: The valve cores, seats, and diaphragms of the MR95 and MR98 series can be individually disassembled and replaced. Since there is no need to remove the entire valve body from the pipeline, on-site maintenance downtime can be reduced by approximately 60%.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"15,1,0\">Customization for Extreme Conditions: For high-temperature steam, the MR95HT model uses a ceramic fiber insulation layer to support continuous operation at 343\u00b0C. For cryogenic LNG or liquid nitrogen applications, the MR98LD model utilizes high-toughness low-temperature materials to prevent brittle fracture.<\/p>\n<h3 data-path-to-node=\"14\">Common Model Codes for Quick Selection<\/h3>\n<p data-path-to-node=\"15\">To assist in rapid procurement, yunrui has categorized the most frequently requested models and their typical applications:<\/p>\n<table data-path-to-node=\"16\">\n<thead>\n<tr>\n<td><strong>Series<\/strong><\/td>\n<td><strong>Common Code<\/strong><\/td>\n<td><strong>Technical Features and Applications<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><a href=\"https:\/\/www.yunrui-controls.com\/id\/products\/fisher-mr95-series\/\"><span data-path-to-node=\"16,1,0,0\">MR95 Series (Reducing)<\/span><\/a><\/td>\n<td><span data-path-to-node=\"16,1,1,0\">MR95L<\/span><\/td>\n<td><span data-path-to-node=\"16,1,2,0\">Low-pressure model, ideal for settings between 2 to 30 psi.<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"16,2,1,0\">MR95H<\/span><\/td>\n<td><span data-path-to-node=\"16,2,2,0\">High-pressure model, standard range between 5 to 150 psi.<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"16,3,1,0\">MR95HP<\/span><\/td>\n<td><span data-path-to-node=\"16,3,2,0\">Enhanced high-pressure version, settings up to 400 psi.<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"16,4,1,0\">MR95HT<\/span><\/td>\n<td><span data-path-to-node=\"16,4,2,0\">High-temperature version with specialty diaphragms for up to 343\u00b0C steam.<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"16,5,1,0\">MR95S<\/span><\/td>\n<td><span data-path-to-node=\"16,5,2,0\">Stainless steel construction for corrosive or sanitary environments.<\/span><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.yunrui-controls.com\/id\/products\/fisher-mr98-series\/\"><span data-path-to-node=\"16,6,0,0\">MR98 Series (Back Pressure)<\/span><\/a><\/td>\n<td><span data-path-to-node=\"16,6,1,0\">MR98L<\/span><\/td>\n<td><span data-path-to-node=\"16,6,2,0\">Low-pressure relief, settings from 2 to 30 psi.<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"16,7,1,0\">MR98H<\/span><\/td>\n<td><span data-path-to-node=\"16,7,2,0\">High-pressure relief, standard range from 15 to 200 psi.<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"16,8,1,0\">MR98HH<\/span><\/td>\n<td><span data-path-to-node=\"16,8,2,0\">Ultra-high pressure back pressure model, up to 375 psi.<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"16,9,1,0\">MR98V<\/span><\/td>\n<td><span data-path-to-node=\"16,9,2,0\">Vacuum back pressure valve for negative pressure system maintenance.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7814\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95\uff0c98-300x220.jpg\" alt=\"Original Fisher MR95 series pressure reducing valves and MR98 series back pressure valves from Chinese supplier Yunrui.\" width=\"750\" height=\"550\" srcset=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95\uff0c98-300x220.jpg 300w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95\uff0c98-1024x749.jpg 1024w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95\uff0c98-768x562.jpg 768w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95\uff0c98-16x12.jpg 16w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/04\/95\uff0c98.jpg 1476w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/p>\n<p><strong>Xi&#8217;an Yunrui Trading Co., Ltd. maintains an extensive inventory of original<\/strong> <a href=\"https:\/\/www.yunrui-controls.com\/id\/products\/fisher-mr95-series\/\"><b data-path-to-node=\"0\" data-index-in-node=\"76\">Fisher MR95 Series Pressure Reducing Valves<\/b><\/a> Dan <a href=\"https:\/\/www.yunrui-controls.com\/id\/products\/fisher-mr98-series\/\"><b data-path-to-node=\"0\" data-index-in-node=\"124\">MR98 Series Back Pressure Valves<\/b><\/a>. <strong>We offer competitive pricing and are ready for immediate dispatch to ensure fast delivery.<\/strong><\/li>\n<\/ol>\n<h2 data-path-to-node=\"16\">4. Authoritative Certification and Global Application<\/h2>\n<p data-path-to-node=\"17\">The Fisher MR95 and MR98 series have obtained numerous international certifications, including the NACE MR0175 standard for sour gas environments, ASME B16.34 standards, and ATEX\/IECEx explosion-proof certifications. Currently, these products are widely used in wellhead pressure reduction, chemical reactor overpressure protection, boiler steam systems in the power industry, and sterile fluid transport in pharmaceuticals.<\/p>\n<p data-path-to-node=\"18\">As a professional supplier of Emerson Fisher regulator products, Xi&#8217;an Yunrui Trading Co., Ltd. (yunrui) is dedicated to helping global customers achieve precise and safe fluid pressure control through professional technical selection and excellent logistics services. By leveraging large-scale procurement, we ensure immediate availability while providing you with more attractive price discounts.<\/p>\n<hr data-path-to-node=\"19\" \/>\n<h3 data-path-to-node=\"20\"><\/h3>","protected":false},"excerpt":{"rendered":"<p>In high-standard industrial sectors such as oil and gas, power generation, and fine chemicals, the stability of pressure control systems is the cornerstone of operational safety. Facing the extreme challenges of high temperatures (up to 343\u00b0C), high pressures (up to 1000 psig), and highly corrosive media, the Fisher MR95 series pressure reducing valves and MR98 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7814,"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],"tags":[],"class_list":["post-7806","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"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>Fisher MR95 Pressure Reducing Valve and MR98 Back Pressure Valve: Selection, Maintenance, and In-Stock Supply - Yunrui<\/title>\n<meta name=\"description\" content=\"In-depth analysis of the technical principles, material compatibility, and structural advantages of Fisher&#039;s MR95 and MR98 series pressure regulating valves. 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