{"id":25982,"date":"2024-04-04T07:06:34","date_gmt":"2024-04-04T07:06:34","guid":{"rendered":"https:\/\/dresserutility.com\/kb2025\/project\/pilot-operated-asme\/"},"modified":"2025-05-07T13:32:37","modified_gmt":"2025-05-07T13:32:37","slug":"pilot-operated-asme","status":"publish","type":"project","link":"https:\/\/dresserutility.com\/kb2025\/project\/pilot-operated-asme\/","title":{"rendered":"Pilot-Operated &#8211; ASME code (F7000\/F8000)"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;4px||17px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;|auto|10px|auto||&#8221; custom_padding=&#8221;3px||2px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<div class=\"et_pb_module et_pb_text et_pb_text_5  et_pb_text_align_left et_pb_bg_layout_light\">\n<div class=\"et_pb_text_inner\"><a href=\"https:\/\/dresserutility.com\/kb2025\/\">Home<\/a> | <a href=\"https:\/\/dresserutility.com\/kb2025\/overpressure-protection\/\">Overpressure Protection<\/a> | <a href=\"https:\/\/dresserutility.com\/kb2025\/overpressure-protection\/pressure-relief-valves\/\">Pressure Relief Valves<\/a> | Pilot-operated &#8211; ASME Code (F7000\/F8000)<\/div>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.24.2&#8243; _module_preset=&#8221;default&#8221; custom_padding=&#8221;4px|||||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row column_structure=&#8221;1_2,1_4,1_4&#8243; _builder_version=&#8221;4.24.2&#8243; _module_preset=&#8221;default&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.24.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; header_4_font=&#8221;Inter|700||on|||||&#8221; header_4_text_color=&#8221;gcid-574a594f-3645-42ee-a9e5-bdcdc84b45bb&#8221; header_4_font_size=&#8221;14px&#8221; header_4_letter_spacing=&#8221;1px&#8221; header_4_line_height=&#8221;1.4em&#8221; custom_margin=&#8221;-36px||0px||false|false&#8221; global_colors_info=&#8221;{%22gcid-574a594f-3645-42ee-a9e5-bdcdc84b45bb%22:%91%22header_4_text_color%22%93}&#8221;]<\/p>\n<h4>Overpressure Protection<\/h4>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; header_2_font=&#8221;Inter|700|||||||&#8221; header_2_text_color=&#8221;#000000&#8243; header_2_font_size=&#8221;48px&#8221; header_2_line_height=&#8221;1.2em&#8221; header_2_font_size_tablet=&#8221;32px&#8221; header_2_font_size_phone=&#8221;20px&#8221; header_2_font_size_last_edited=&#8221;on|desktop&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h1><span data-contrast=\"auto\" xml:lang=\"EN-US\" lang=\"EN-US\" class=\"TextRun SCXW221766250 BCX8\"><span class=\"NormalTextRun SCXW221766250 BCX8\"><span data-contrast=\"auto\" xml:lang=\"EN-US\" lang=\"EN-US\" class=\"TextRun SCXW145107905 BCX8\"><span class=\"NormalTextRun SCXW145107905 BCX8\">F7000\/F8000 Pilot Operated Safety Relief Valve<\/span><\/span><\/span><\/span><\/h1>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;Open Sans||||||||&#8221; text_text_color=&#8221;#666666&#8243; text_line_height=&#8221;1.8em&#8221; header_font_size_tablet=&#8221;55px&#8221; header_font_size_last_edited=&#8221;off|desktop&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3>FEATURES<\/h3>\n<ul>\n<li>Choice of modulating or snap acting, flowing or non-flowing pilot<\/li>\n<li>Soft seated (Elastomer or Plastic)<\/li>\n<li>Backflow preventer &amp; field test connection (quick-connect)<\/li>\n<li>Full bore (F7000) or reduced bore (F8000) orifice<\/li>\n<li>Full piston lift @ set pressure<\/li>\n<li>Pilot vents to process (F100, F300, F500) or atm. (F200)<\/li>\n<li>Leak tight seating and re-seating<\/li>\n<li>Integral flange design<\/li>\n<li>Integral nozzle (SS), 316\/316L corrosion resistant trim<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>APPLICATIONS<\/h3>\n<ul>\n<li>Ambient or cryogenic fluids<\/li>\n<li>Chemical processing<\/li>\n<li>High cycle rates \/ long service life<\/li>\n<li>Minimal product loss importance<\/li>\n<li>Operation close to set point with zero leakage required<\/li>\n<\/ul>\n<p>[\/et_pb_text][et_pb_code _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<h2 id=\"tablepress-52-name\" class=\"tablepress-table-name tablepress-table-name-id-52\">Service Envelope<\/h2>\n\n<table id=\"tablepress-52\" class=\"tablepress tablepress-id-52\" aria-labelledby=\"tablepress-52-name\">\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-1\">\n\t<td class=\"column-1\"><strong>Connection Sizes<\/strong><br \/>\n<em>Custom sizes &amp; dual outlet bodies available on request<\/em><\/td><td class=\"column-2\">1\u201d x 2\u201d - 12\u201d x 16\u201d<br \/>\n(25mm x 50mm - 300mm x 400 mm)<\/td>\n<\/tr>\n<tr class=\"row-2\">\n\t<td class=\"column-1\"><strong>Set Pressure Ranges<\/strong><br \/>\n<em>See F7000\/8000 Catalog for orifice specific ratings<\/em><\/td><td class=\"column-2\">15 \u2013 6,000 psig<br \/>\n(1.03 - 413 barg)<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\"><strong>Temperature Ranges<\/strong><\/td><td class=\"column-2\">-423 to 525\u00b0F<br \/>\n(-252 to 274\u00b0C)<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\"><strong>Orifice Area Range<\/strong><\/td><td class=\"column-2\">.134 \u2013 111.87 in<sup>2<\/sup><br \/>\n(.86 \u2013 72174 mm<sup>2<\/sup>)<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\"><strong>End Connections<\/strong><br \/>\n<em>Custom types available on request<\/em><\/td><td class=\"column-2\">Standard:<br \/>\nFemale NPT (1\u201d x 2\u201d &amp; 1.5\u201d x 3\u201d size only)<br \/>\nIntegral ASME RF Flanged (up to 2500# inlet)<br \/>\n<br \/>\nSpecials:<br \/>\nDIN flanged (EN 1092-1), Grayloc, MS33649\/AS5202<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\"><strong>Materials of Construction<\/strong><br \/>\n<em>Custom available for service or on request<\/em><\/td><td class=\"column-2\">Carbon Steel, Stainless Steel, Monel, Inconel,<br \/>\nHastelloy C \/ C22 \/ C276, Duplex 22% or 25% Cr<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\"><strong>Seat Materials<\/strong><br \/>\n<em>Custom available for service or on request<\/em><\/td><td class=\"column-2\">F7040\/F8040 Material (Plastic):<br \/>\nTeflon\u00ae, Ekonol-filled PTFE, Kel-F (PCTFE),<br \/>\nPI\/PAI (Vespel\u00ae, Duratron\u00ae, or equal), PEEK<br \/>\n<br \/>\nF7050\/F8050 Material (Elastomer):<br \/>\nBuna-N, Viton\u00ae (FKM) or equal, EPR\/EPDM, Aflas,<br \/>\nFFKM (Chemraz\u00ae, Kalrez\u00ae, etc), Polyurethane, HNBR<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-52 from cache -->[\/et_pb_code][et_pb_text _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; text_font=&#8221;Open Sans||||||||&#8221; text_text_color=&#8221;#666666&#8243; text_line_height=&#8221;1.8em&#8221; header_font_size_tablet=&#8221;55px&#8221; header_font_size_last_edited=&#8221;off|desktop&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h3>CERTIFICATIONS &amp; COMPLIANCE<\/h3>\n<ul>\n<li>ASME Sec XIII (NB-18 Cert. No. 28000, 28011, 28022, 28099, 28156)<\/li>\n<li>IGC Code Sizing (Air @ 0\u00b0C)<\/li>\n<li>BV Mode 1 &amp; Type Approval<\/li>\n<li>DNV-GL Type Approval<\/li>\n<li>LR Design Appraisal Document F7100\/8100, F8200, F8300, F8500<\/li>\n<li>US Coast Guard Certificate<\/li>\n<li>Cryogenic testing per ISO 21013:1(2008)<\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.24.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/dresserutility.com\/kb2025\/wp-content\/uploads\/F7000-F8000-Pressure-Relief-Valve-Image-fs.jpg&#8221; title_text=&#8221;F7000-F8000-Pressure-Relief-Valve-Image-fs&#8221; _builder_version=&#8221;4.25.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.24.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_heading title=&#8221;PRODUCT BRAND&#8221; _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; title_level=&#8221;h5&#8243; custom_margin=&#8221;0px||0px||true|false&#8221; custom_padding=&#8221;0px||0px||true|false&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_heading][et_pb_text _builder_version=&#8221;4.27.2&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Flow Safe<\/p>\n<p>[\/et_pb_text][et_pb_heading title=&#8221;PRODUCT CATEGORIES&#8221; _builder_version=&#8221;4.24.2&#8243; _module_preset=&#8221;default&#8221; title_level=&#8221;h5&#8243; custom_margin=&#8221;0px||0px||true|false&#8221; custom_padding=&#8221;0px||0px||true|false&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_heading][et_pb_text _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<a href=\"https:\/\/dresserutility.com\/kb2025\/overpressure-protection\/\">Overpressure Protection<\/a> | <a href=\"https:\/\/dresserutility.com\/kb2025\/overpressure-protection\/pressure-relief-valves\/\">Pressure Relief Valves<\/a>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.24.2&#8243; _dynamic_attributes=&#8221;content&#8221; _module_preset=&#8221;default&#8221; custom_margin=&#8221;0px||0px||true|false&#8221; custom_padding=&#8221;0px||0px||true|false&#8221; global_colors_info=&#8221;{}&#8221;]@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9jYXRlZ29yaWVzIiwic2V0dGluZ3MiOnsiYmVmb3JlIjoiIiwiYWZ0ZXIiOiIiLCJsaW5rX3RvX3Rlcm1fcGFnZSI6Im9uIiwic2VwYXJhdG9yIjoiIHwgIiwiY2F0ZWdvcnlfdHlwZSI6ImNhdGVnb3J5In19@[\/et_pb_text][et_pb_heading title=&#8221;APPLICABLE REGIONS&#8221; _builder_version=&#8221;4.24.2&#8243; _module_preset=&#8221;default&#8221; title_level=&#8221;h5&#8243; custom_margin=&#8221;0px||0px||true|false&#8221; custom_padding=&#8221;0px||0px||true|false&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_heading][et_pb_text _builder_version=&#8221;4.25.0&#8243; _dynamic_attributes=&#8221;content&#8221; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF90YWdzIiwic2V0dGluZ3MiOnsiYmVmb3JlIjoiIiwiYWZ0ZXIiOiIiLCJsaW5rX3RvX3Rlcm1fcGFnZSI6Im9mZiIsInNlcGFyYXRvciI6IiB8ICIsImNhdGVnb3J5X3R5cGUiOiJwcm9qZWN0X3RhZyJ9fQ==@[\/et_pb_text][et_pb_heading title=&#8221;Downloads&#8221; _builder_version=&#8221;4.25.0&#8243; _module_preset=&#8221;default&#8221; title_level=&#8221;h5&#8243; custom_margin=&#8221;0px||0px||true|false&#8221; custom_padding=&#8221;0px||0px||true|false&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_heading][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<a href=\"https:\/\/dresserutility.com\/kb2025\/wp-content\/uploads\/F7000-F8000-Manual-Rev-W.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">F7000\/F8000 Manual<\/a><\/p>\n<p><a href=\"https:\/\/dresserutility.com\/kb2025\/wp-content\/uploads\/F7000-Manual- RevL-Spanish.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">F7000\/F8000 Manual &#8211; Spanish<\/a><\/p>\n<p><a href=\"https:\/\/dresserutility.com\/kb2025\/wp-content\/uploads\/F7000-Manual-RevK-Portuguese.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">F7000\/F8000 Manual &#8211; Portuguese<\/a><\/p>\n<p><a href=\"https:\/\/dresserutility.com\/kb2025\/wp-content\/uploads\/F7000-F8000-Series-Catalog.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">F7000\/F8000 Pilot Operated Safety Relief Valves Catalog<\/a><\/p>\n<p><a href=\"https:\/\/dresserutility.com\/kb2025\/wp-content\/uploads\/Catalog-F7000-Dual-Outlet-2015.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">F7000\/F8000 Pilot Operated Safety Relief Valves (Dual Outlet) Catalog<\/a><\/p>\n<p><a href=\"https:\/\/dresserutility.com\/kb2025\/wp-content\/uploads\/Flowsafesoftseated_flyer.pdf\" target=\"_blank\" rel=\"noopener\">Soft-Seated Advantages Flyer<\/a><\/p>\n<p><a href=\"https:\/\/dresserutility.com\/kb2025\/wp-content\/uploads\/Flow_Safe_Line_Card_DUS.FS_.0022.pdf\" target=\"_blank\" rel=\"noopener\">Flow Safe Line Card<\/a>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ASME Section XIII (&#8220;UV&#8221; stamped) enhanced performance pilot-operated relief valve for gas\/vapor &#038; liquid service.<\/p>\n","protected":false},"author":1,"featured_media":35748,"comment_status":"closed","ping_status":"closed","template":"","meta":{"nf_dc_page":"","_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"project_category":[281,282],"project_tag":[251,250,253,117,252,249,110,120],"brands":[436],"class_list":["post-25982","project","type-project","status-publish","has-post-thumbnail","hentry","project_category-overpressure-protection","project_category-pressure-relief-valves","project_tag-africa","project_tag-asia-pacific","project_tag-china","project_tag-europe","project_tag-latin-america","project_tag-middle-east","project_tag-north-america","project_tag-united-kingdom","brands-flow-safe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pilot-Operated - ASME code (F7000\/F8000) - Dresser Utility Solutions<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dresserutility.com\/kb2025\/project\/pilot-operated-asme\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pilot-Operated - ASME code (F7000\/F8000) - Dresser Utility Solutions\" \/>\n<meta property=\"og:description\" content=\"ASME Section XIII (&quot;UV&quot; 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