{"id":8056,"date":"2026-05-11T16:54:22","date_gmt":"2026-05-11T16:54:22","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?p=8056"},"modified":"2026-05-11T16:54:55","modified_gmt":"2026-05-11T16:54:55","slug":"fisher-1098-egr-pressure-reducing-valve","status":"publish","type":"post","link":"https:\/\/www.yunrui-controls.com\/ja\/fisher-1098-egr-pressure-reducing-valve\/","title":{"rendered":"Fisher 1098-EGR Pressure Reducing Valve: 4-Inch High-Performance Gas Regulation"},"content":{"rendered":"<p data-path-to-node=\"2\">\u306e <a href=\"https:\/\/www.yunrui-controls.com\/ja\/products\/fisher-types-1098-egr-and-1098h\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc 1098-EGR<\/a> is a pilot-operated regulator designed for precise pressure control in high-capacity applications. It is widely used in natural gas distribution, industrial boiler fuel supply, and large commercial facilities. This 4-inch configuration offers superior stability across varying loads. To help engineers maximize system efficiency, this guide details the technical advantages and specifications of the 1098-EGR series.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-8059 aligncenter\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-000-300x225.jpg\" alt=\"Fisher 1098-EGR actual product image - Yunrui Supplier\" width=\"787\" height=\"590\" srcset=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-000-300x225.jpg 300w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-000-1024x769.jpg 1024w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-000-768x577.jpg 768w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-000-1536x1153.jpg 1536w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-000-2048x1538.jpg 2048w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-000-16x12.jpg 16w\" sizes=\"(max-width: 787px) 100vw, 787px\" \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <a href=\"https:\/\/www.yunrui-controls.com\/ja\/products\/fisher-types-1098-egr-and-1098h\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc 1098-EGR<\/a> (actual product image)<\/p>\n<hr data-path-to-node=\"3\" \/>\n<h2 data-path-to-node=\"4\">01 Core Performance Features<\/h2>\n<p data-path-to-node=\"5\">The Fisher 1098-EGR is engineered to solve complex regulation challenges in both gas and liquid applications.<\/p>\n<ul data-path-to-node=\"6\">\n<li>\n<p data-path-to-node=\"6,0,0\">Low Differential Pressure: This model operates effectively with a pressure differential as low as 1 psid (70 mbar d), making it ideal for low-head systems.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"6,1,0\">Precision Control: The pilot-operated design ensures a stable downstream pressure regardless of fluctuations in inlet pressure or demand.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"6,2,0\">Noise Reduction: Optional Whisper Trim technology can reduce operational noise by up to 30 dBa.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"6,3,0\">Top-Entry Maintenance: The straight-through design allows for inspection and parts replacement without removing the valve body from the pipeline.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"6,4,0\">Zero Atmospheric Discharge: The pilot system vents all gas to the downstream piping, eliminating hazardous emissions to the air.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"6,5,0\">High Turndown Ratio: Oversized diaphragms and linear cages handle large swings in downstream demand while maintaining accuracy.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"6,6,0\">Bubble-Tight Shutoff: A knife-edge metal plug and soft seat provide positive closure for dead-end service.<\/p>\n<\/li>\n<\/ul>\n<hr data-path-to-node=\"7\" \/>\n<h2 data-path-to-node=\"8\">02 Technical Specifications<\/h2>\n<p data-path-to-node=\"9\">The following parameters represent the operational limits and physical configurations for the Fisher 1098-EGR.<\/p>\n<table data-path-to-node=\"10\">\n<thead>\n<tr>\n<td><strong>\u30d1\u30e9\u30e1\u30fc\u30bf<\/strong><\/td>\n<td><strong>Specification Range<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"10,1,0,0\">\u6700\u5927\u5165\u53e3\u5727\u529b<\/span><\/td>\n<td><span data-path-to-node=\"10,1,1,0\">28 bar (400 psig)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"10,2,0,0\">\u51fa\u53e3\u5727\u529b\u7bc4\u56f2<\/span><\/td>\n<td><span data-path-to-node=\"10,2,1,0\">0.005 to 20.7 bar<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"10,3,0,0\">\u52d5\u4f5c\u6e29\u5ea6<\/span><\/td>\n<td><span data-path-to-node=\"10,3,1,0\">-29 to 82 \u2103<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"10,4,0,0\">1-inch and 2-inch sizes<\/span><\/td>\n<td><span data-path-to-node=\"10,4,1,0\">NPT Threaded<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"10,5,0,0\">2, 3, 4, 6-inch sizes<\/span><\/td>\n<td><span data-path-to-node=\"10,5,1,0\">ANSI 125FF \/ 150RF \/ 250RF \/ 300RF \/ 600RF Flanged<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img decoding=\"async\" class=\"wp-image-8060 aligncenter\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-00-300x225.jpg\" alt=\"Original Fisher 1098-EGR - China Supplier Yunrui\" width=\"753\" height=\"565\" srcset=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-00-300x225.jpg 300w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-00-1024x769.jpg 1024w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-00-768x577.jpg 768w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-00-1536x1153.jpg 1536w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-00-2048x1538.jpg 2048w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-00-16x12.jpg 16w\" sizes=\"(max-width: 753px) 100vw, 753px\" \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <a href=\"https:\/\/www.yunrui-controls.com\/ja\/products\/fisher-types-1098-egr-and-1098h\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc 1098-EGR<\/a> (actual product image)<\/p>\n<hr data-path-to-node=\"11\" \/>\n<h2 data-path-to-node=\"12\">03 Pilot Selection and Outlet Pressure Ranges<\/h2>\n<p data-path-to-node=\"13\">The outlet pressure of the Fisher 1098-EGR is determined by the specific pilot model installed.<\/p>\n<table data-path-to-node=\"14\">\n<thead>\n<tr>\n<td><strong>Pilot Model<\/strong><\/td>\n<td><strong>Control Pressure Range (psig)<\/strong><\/td>\n<td><strong>Control Pressure Range (bar)<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"14,1,0,0\">6351<\/span><\/td>\n<td><span data-path-to-node=\"14,1,1,0\">3 to 100<\/span><\/td>\n<td><span data-path-to-node=\"14,1,2,0\">0.21 to 6.9<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"14,2,0,0\">6352<\/span><\/td>\n<td><span data-path-to-node=\"14,2,1,0\">14-inch WC to 10<\/span><\/td>\n<td><span data-path-to-node=\"14,2,2,0\">35 mbar to 0.69<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"14,3,0,0\">6353<\/span><\/td>\n<td><span data-path-to-node=\"14,3,1,0\">3 to 40<\/span><\/td>\n<td><span data-path-to-node=\"14,3,2,0\">0.21 to 2.8<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"14,4,0,0\">6354L<\/span><\/td>\n<td><span data-path-to-node=\"14,4,1,0\">35 to 125<\/span><\/td>\n<td><span data-path-to-node=\"14,4,2,0\">2.4 to 8.6<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"14,5,0,0\">6354M<\/span><\/td>\n<td><span data-path-to-node=\"14,5,1,0\">85 to 200<\/span><\/td>\n<td><span data-path-to-node=\"14,5,2,0\">5.9 to 13.8<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"14,6,0,0\">6354H<\/span><\/td>\n<td><span data-path-to-node=\"14,6,1,0\">175 to 300<\/span><\/td>\n<td><span data-path-to-node=\"14,6,2,0\">12.1 to 20.7<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img decoding=\"async\" class=\"wp-image-8061 aligncenter\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-0-300x225.jpg\" alt=\"Fisher 1098-EGR - Yunrui Supplier\" width=\"849\" height=\"637\" srcset=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-0-300x225.jpg 300w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-0-1024x769.jpg 1024w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-0-768x577.jpg 768w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-0-1536x1153.jpg 1536w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-0-2048x1538.jpg 2048w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-0-16x12.jpg 16w\" sizes=\"(max-width: 849px) 100vw, 849px\" \/>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <a href=\"https:\/\/www.yunrui-controls.com\/ja\/products\/fisher-types-1098-egr-and-1098h\/\">\u30d5\u30a3\u30c3\u30b7\u30e3\u30fc 1098-EGR<\/a> (actual product image)<\/p>\n<hr data-path-to-node=\"15\" \/>\n<h2 data-path-to-node=\"16\">04 Procurement and Technical Support<\/h2>\n<p data-path-to-node=\"17\">Selecting the correct 4-inch Fisher 1098-EGR requires careful verification of pilot springs and seat materials. Xi&#8217;an Yunrui Trading Co., Ltd. (Yunrui) provides expert assistance in configuring these regulators for critical infrastructure.<\/p>\n<p data-path-to-node=\"18\">Our technical support includes verifying Cv ratings and selecting appropriate trim options for noise or cavitation control. By maintaining stock of key 1098-EGR components in the Xi&#8217;an warehouse, we ensure rapid response to maintenance needs. Specialized logistics management facilitates DDP delivery to global project sites, ensuring all customs and regional documentation requirements are satisfied for on-time installation.<\/p>","protected":false},"excerpt":{"rendered":"<p>The Fisher 1098-EGR is a pilot-operated regulator designed for precise pressure control in high-capacity applications. It is widely used in natural gas distribution, industrial boiler fuel supply, and large commercial facilities. This 4-inch configuration offers superior stability across varying loads. To help engineers maximize system efficiency, this guide details the technical advantages and specifications of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8059,"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":[],"class_list":["post-8056","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-blogs"],"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 1098-EGR 4-Inch Pressure Reducing Valve\uff5cYunrui Supplier<\/title>\n<meta name=\"description\" content=\"Comprehensive look at the Fisher 1098-EGR regulator. 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Explore its low-pressure differential capabilities, Whisper Trim noise reduction, and pilot selection for gas distribution.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.yunrui-controls.com\/ja\/fisher-1098-egr-pressure-reducing-valve\/\" \/>\n<meta property=\"og:site_name\" content=\"Fisher, E+H &amp; Rosemount Supplier from China | 100% Original | YUNRUI\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-11T16:54:22+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-11T16:54:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-000.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2545\" \/>\n\t<meta property=\"og:image:height\" content=\"1911\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"sales@yunrui-controls.com\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"sales@yunrui-controls.com\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"4\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.yunrui-controls.com\/fisher-1098-egr-pressure-reducing-valve\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/fisher-1098-egr-pressure-reducing-valve\/\"},\"author\":{\"name\":\"sales@yunrui-controls.com\",\"@id\":\"https:\/\/www.yunrui-controls.com\/#\/schema\/person\/b9b385704b61e72ea9254fc3b56001af\"},\"headline\":\"Fisher 1098-EGR Pressure Reducing Valve: 4-Inch High-Performance Gas Regulation\",\"datePublished\":\"2026-05-11T16:54:22+00:00\",\"dateModified\":\"2026-05-11T16:54:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/fisher-1098-egr-pressure-reducing-valve\/\"},\"wordCount\":417,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/fisher-1098-egr-pressure-reducing-valve\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-000.jpg\",\"articleSection\":[\"News\",\"Blogs\"],\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.yunrui-controls.com\/fisher-1098-egr-pressure-reducing-valve\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.yunrui-controls.com\/fisher-1098-egr-pressure-reducing-valve\/\",\"url\":\"https:\/\/www.yunrui-controls.com\/fisher-1098-egr-pressure-reducing-valve\/\",\"name\":\"Fisher 1098-EGR 4-Inch Pressure Reducing Valve\uff5cYunrui Supplier\",\"isPartOf\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/fisher-1098-egr-pressure-reducing-valve\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.yunrui-controls.com\/fisher-1098-egr-pressure-reducing-valve\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/1098-000.jpg\",\"datePublished\":\"2026-05-11T16:54:22+00:00\",\"dateModified\":\"2026-05-11T16:54:55+00:00\",\"description\":\"Comprehensive look at the Fisher 1098-EGR regulator. 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