{"id":2837,"date":"2022-03-09T19:00:47","date_gmt":"2022-03-09T19:00:47","guid":{"rendered":"https:\/\/daniel.com\/?page_id=2837"},"modified":"2025-08-11T17:55:35","modified_gmt":"2025-08-11T17:55:35","slug":"simplex-single-chamber-orifice-fitting","status":"publish","type":"page","link":"https:\/\/daniel.com\/?page_id=2837","title":{"rendered":"Simplex Single-Chamber Orifice Fitting"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1216.8px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_2_5 2_5 fusion-flex-column fusion-flex-align-self-flex-start\" style=\"--awb-bg-size:cover;--awb-width-large:40%;--awb-margin-top-large:0px;--awb-spacing-right-large:4.8%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:4.8%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"text-align:center;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"407\" height=\"432\" title=\"simplex-orifice-dn\" src=\"https:\/\/daniel.com\/wp-content\/uploads\/2022\/03\/simplex-orifice-dn.png\" data-orig-src=\"https:\/\/daniel.com\/wp-content\/uploads\/2022\/03\/simplex-orifice-dn.png\" alt class=\"lazyload img-responsive wp-image-2838\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27407%27%20height%3D%27432%27%20viewBox%3D%270%200%20407%20432%27%3E%3Crect%20width%3D%27407%27%20height%3D%27432%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/daniel.com\/wp-content\/uploads\/2022\/03\/simplex-orifice-dn-200x212.png 200w, https:\/\/daniel.com\/wp-content\/uploads\/2022\/03\/simplex-orifice-dn-400x425.png 400w, https:\/\/daniel.com\/wp-content\/uploads\/2022\/03\/simplex-orifice-dn.png 407w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 407px\" \/><\/span><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_3_5 3_5 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:60%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.2%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.2%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-title-text fusion-title-size-two h2product\"><div class=\"title-sep-container title-sep-container-left fusion-no-large-visibility fusion-no-medium-visibility fusion-no-small-visibility\"><div class=\"title-sep sep- sep-solid\" style=\"border-color:var(--awb-color3);\"><\/div><\/div><span class=\"awb-title-spacer fusion-no-large-visibility fusion-no-medium-visibility fusion-no-small-visibility\"><\/span><h2 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:uppercase;--fontSize:26;--minFontSize:26;line-height:var(--awb-typography1-line-height);\"><p class=\"p1\">Simplex Single-Chamber Orifice Fittings<\/p><\/h2><span class=\"awb-title-spacer\"><\/span><div class=\"title-sep-container title-sep-container-right\"><div class=\"title-sep sep- sep-solid\" style=\"border-color:var(--awb-color3);\"><\/div><\/div><\/div><div class=\"fusion-separator\" style=\"align-self: flex-start;margin-right:auto;margin-top:10px;margin-bottom:30px;width:100%;max-width:150px;\"><div class=\"fusion-separator-border sep-single\" style=\"--awb-height:20px;--awb-amount:20px;border-color:var(--awb-color3);border-top-width:3px;\"><\/div><\/div><div class=\"fusion-title title fusion-title-2 fusion-title-text fusion-title-size-three\"><div class=\"title-sep-container title-sep-container-left fusion-no-large-visibility fusion-no-medium-visibility fusion-no-small-visibility\"><div class=\"title-sep sep- sep-solid\" style=\"border-color:var(--awb-color3);\"><\/div><\/div><span class=\"awb-title-spacer fusion-no-large-visibility fusion-no-medium-visibility fusion-no-small-visibility\"><\/span><h3 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:capitalize;--fontSize:20;--minFontSize:20;line-height:var(--awb-custom_typography_1-line-height);\"><p class=\"p1\">Save on Down-time and Operational Costs<\/p><\/h3><span class=\"awb-title-spacer\"><\/span><div class=\"title-sep-container title-sep-container-right\"><div class=\"title-sep sep- sep-solid\" style=\"border-color:var(--awb-color3);\"><\/div><\/div><\/div><div class=\"fusion-text fusion-text-1\" style=\"--awb-text-transform:none;\"><p><span class=\"fusion-dropcap dropcap dropcap-boxed\" style=\"--awb-border-radius:0px;\">E<\/span>ngineered for use on smaller line sizes, Daniel<sup>\u00ae<\/sup> Simplex<sup>\u2122<\/sup> Single-Chamber Orifice Fittings offer superior gas and liquids differential pressure measurement performance in accordance with AGA 3, API 14.3 and OIML 5167. Unit-built construction with the plate carrier permanently attached to the sealing bar allows the sealing bar, carrier and plate to be removed as a unit, enabling operators to quickly perform plate inspections and changeouts with no need to remove the fitting from the line. There is also no need to spread the flanges to change the plate, further minimizing downtime and costs as well as eliminating the possibility of costly gas leakage or spillage of liquids.<\/p>\n<\/div><div class=\"fusion-text fusion-text-2 turn-off\" style=\"--awb-font-size:13px;--awb-text-transform:none;--awb-text-color:var(--awb-color3);\"><p style=\"text-align: left; margin-bottom: 1px;\"><strong>Coming Soon:<\/strong><\/p>\n<div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:0px;margin-bottom:10px;width:100%;\"><div class=\"fusion-separator-border sep-single\" style=\"--awb-height:20px;--awb-amount:20px;border-color:var(--awb-color3);border-top-width:1px;\"><\/div><\/div>\n<\/div><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start\" style=\"width:104% !important;max-width:104% !important;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-0 fusion_builder_column_inner_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div style=\"text-align:center;\"><a class=\"fusion-button button-flat button-medium button-default fusion-button-default button-1 fusion-button-span-yes fusion-button-default-type button-width160\" style=\"--button_margin-right:auto;--button_margin-left:auto;width:calc(100% - auto - auto);\" target=\"_self\" href=\"https:\/\/daniel.com\/?page_id=340\"><span class=\"fusion-button-text\">Request a Quote<\/span><i class=\"fa-angle-right fas button-icon-right\" aria-hidden=\"true\"><\/i><\/a><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-1 fusion_builder_column_inner_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:90px;--awb-padding-bottom:10px;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1216.8px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_1 1_1 fusion-flex-column daniel-tabs\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-tabs fusion-tabs-1 classic vertical-tabs icon-position-left mobile-mode-accordion\" style=\"--awb-title-border-radius-top-left:0px;--awb-title-border-radius-top-right:0px;--awb-title-border-radius-bottom-right:0px;--awb-title-border-radius-bottom-left:0px;--awb-inactive-color:var(--awb-color1);--awb-background-color:var(--awb-color1);--awb-border-color:var(--awb-color3);--awb-active-border-color:#ac1a2f;\"><div class=\"nav\"><ul class=\"nav-tabs\" role=\"tablist\"><li class=\"active\" role=\"presentation\"><a class=\"tab-link\" data-toggle=\"tab\" role=\"tab\" aria-controls=\"tab-b746704eb8f689c2702\" aria-selected=\"true\" id=\"fusion-tab-specifications\" href=\"#tab-b746704eb8f689c2702\"><h4 class=\"fusion-tab-heading\">Specifications<\/h4><\/a><\/li><li role=\"presentation\"><a class=\"tab-link\" data-toggle=\"tab\" role=\"tab\" aria-controls=\"tab-b9f8a8ff07a74b0c166\" aria-selected=\"false\" tabindex=\"-1\" id=\"fusion-tab-features\" href=\"#tab-b9f8a8ff07a74b0c166\"><h4 class=\"fusion-tab-heading\">Features<\/h4><\/a><\/li><li role=\"presentation\"><a class=\"tab-link\" data-toggle=\"tab\" role=\"tab\" aria-controls=\"tab-630f8591b942a043653\" aria-selected=\"false\" tabindex=\"-1\" id=\"fusion-tab-documentsanddrawings\" href=\"#tab-630f8591b942a043653\"><h4 class=\"fusion-tab-heading\">Documents and Drawings<\/h4><\/a><\/li><\/ul><\/div><div class=\"tab-content\"><div class=\"nav fusion-mobile-tab-nav\"><ul class=\"nav-tabs\" role=\"tablist\"><li class=\"active\" role=\"presentation\"><a class=\"tab-link\" data-toggle=\"tab\" role=\"tab\" aria-controls=\"tab-b746704eb8f689c2702\" aria-selected=\"true\" id=\"mobile-fusion-tab-specifications\" href=\"#tab-b746704eb8f689c2702\"><h4 class=\"fusion-tab-heading\">Specifications<\/h4><\/a><\/li><\/ul><\/div><div class=\"tab-pane fade fusion-clearfix in active\" role=\"tabpanel\" tabindex=\"0\" aria-labelledby=\"fusion-tab-specifications\" id=\"tab-b746704eb8f689c2702\">\n<div class=\"specs-table\">\n<table width=\"100%\">\n<tbody>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><strong>Measurement Type<\/strong><\/td>\n<td class=\"specs-table-rt\" align=\"left\">Differential pressure<\/td>\n<\/tr>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><strong>Fluid Type<\/strong><\/td>\n<td class=\"specs-table-rt\" align=\"left\">Liquid, gas<\/td>\n<\/tr>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><\/td>\n<td class=\"specs-table-rt\" align=\"left\">In accordance with AGA 3\/API 14.3<\/td>\n<\/tr>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><strong>Line Size<\/strong><\/td>\n<td class=\"specs-table-rt\" align=\"left\">2-in to 4-in (50-mm to 100-mm)<\/td>\n<\/tr>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><strong>Max. Operating Pressure<\/strong><\/td>\n<td class=\"specs-table-rt\" align=\"left\">ANSI 2500<\/td>\n<\/tr>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><strong>Process Temperature Range<\/strong><\/td>\n<td class=\"specs-table-rt\" align=\"left\">-20\u00ba\u2000F to +160\u00ba\u2000F (-29\u00ba\u2000C to +71\u00ba\u2000C )<\/td>\n<\/tr>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><strong>Flange Type<\/strong><\/td>\n<td class=\"specs-table-rt\" align=\"left\">ANSI Raised Face, ANSI RTJ<\/td>\n<\/tr>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><strong>Process Wetted Material<\/strong><\/td>\n<td class=\"specs-table-rt\" align=\"left\">Carbon Steel (WCB and LCC), 316\/316L SST, Duplex<\/td>\n<\/tr>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><strong>Trim Options<\/strong><\/td>\n<td class=\"specs-table-rt\" align=\"left\">Standard Service, Sweet Service, Sour Service, Low Temperature<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div><div class=\"nav fusion-mobile-tab-nav\"><ul class=\"nav-tabs\" role=\"tablist\"><li role=\"presentation\"><a class=\"tab-link\" data-toggle=\"tab\" role=\"tab\" aria-controls=\"tab-b9f8a8ff07a74b0c166\" aria-selected=\"false\" tabindex=\"-1\" id=\"mobile-fusion-tab-features\" href=\"#tab-b9f8a8ff07a74b0c166\"><h4 class=\"fusion-tab-heading\">Features<\/h4><\/a><\/li><\/ul><\/div><div class=\"tab-pane fade fusion-clearfix\" role=\"tabpanel\" tabindex=\"0\" aria-labelledby=\"fusion-tab-features\" id=\"tab-b9f8a8ff07a74b0c166\">\n<ul>\n<li>Expedite plate inspections and change-outs with ability to remove the sealing bar, carrier and plate as a unit<\/li>\n<li>Prevent liquid spillage or gas leakage with no flange spreading required for plate inspections and change-outs<\/li>\n<li>Maximize uptime by performing plate changes and maintenance without removing the fitting from the line<\/li>\n<li>Virtually eliminate maintenance time and cost with simple fitting design that has few parts<\/li>\n<li>Achieve concentricity in accordance with the latest AGA3\/API 14.3 standards for consistently accurate measurement<\/li>\n<li>Enhance measurement at high-pressure wells and more with 3-in to 4-in fittings configurable up to 10,000 psig<\/li>\n<li>Improve safety with manufacturing in accordance with ASTM and ANSI flange connection specifications<\/li>\n<li>Ensure performance in accordance with ASME with optional hydrostatic testing to 1.5 times operating pressure<\/li>\n<\/ul>\n<\/div><div class=\"nav fusion-mobile-tab-nav\"><ul class=\"nav-tabs\" role=\"tablist\"><li role=\"presentation\"><a class=\"tab-link\" data-toggle=\"tab\" role=\"tab\" aria-controls=\"tab-630f8591b942a043653\" aria-selected=\"false\" tabindex=\"-1\" id=\"mobile-fusion-tab-documentsanddrawings\" href=\"#tab-630f8591b942a043653\"><h4 class=\"fusion-tab-heading\">Documents and Drawings<\/h4><\/a><\/li><\/ul><\/div><div class=\"tab-pane fade fusion-clearfix\" role=\"tabpanel\" tabindex=\"0\" aria-labelledby=\"fusion-tab-documentsanddrawings\" id=\"tab-630f8591b942a043653\">\n<p><strong>Downloadable PDF<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/daniel.com\/wp-content\/uploads\/2025\/08\/DAN-SXOF-PG-0825.pdf\" target=\"_blank\" rel=\"noopener\"><i class=\"fb-icon-element-1 fb-icon-element fontawesome-icon fa-file-pdf fas circle-no fusion-text-flow\" style=\"--awb-iconcolor:var(--awb-color4);--awb-iconcolor-hover:var(--awb-color3);--awb-font-size:18px;--awb-margin-right:9px;\"><\/i> Daniel Simplex Orifice Fitting Product Guide<\/a><\/li>\n<li><a href=\"https:\/\/daniel.com\/wp-content\/uploads\/2025\/08\/Simplex-Orifice-Fittings-User-Manual-Size-2-8-150-2500_082025.pdf\" target=\"_blank\" rel=\"noopener\"><i class=\"fb-icon-element-2 fb-icon-element fontawesome-icon fa-file-pdf fas circle-no fusion-text-flow\" style=\"--awb-iconcolor:var(--awb-color4);--awb-iconcolor-hover:var(--awb-color3);--awb-font-size:18px;--awb-margin-right:9px;\"><\/i> Daniel Simplex Orifice Fitting User Manual<\/a><\/li>\n<\/ul>\n<\/div><\/div><\/div>\n<div class=\"table-2 turn-off\">\n<table width=\"100%\">\n<tbody>\n<tr>\n<td align=\"right\"><strong>Line Size<\/strong><\/td>\n<td align=\"left\">DN50 to DN200 (2-in to 8-in)<\/td>\n<\/tr>\n<tr>\n<td align=\"right\"><strong>Fluid Type<\/strong><\/td>\n<td align=\"left\">Liquid<\/td>\n<\/tr>\n<tr>\n<td align=\"right\"><strong>Operating Temperature Range<\/strong><\/td>\n<td align=\"left\">-29\u00ba C to +66\u00ba C (-20\u00ba F to +150\u00ba F)<\/td>\n<\/tr>\n<tr>\n<td align=\"right\"><strong>Operating Pressure Range<\/strong><\/td>\n<td align=\"left\">ANSI 150 to 300<\/td>\n<\/tr>\n<tr>\n<td align=\"right\"><strong>Materials: Valve Body<\/strong><\/td>\n<td align=\"left\">Carbon Steel, ASTM A352 GR LCC<\/td>\n<\/tr>\n<tr>\n<td align=\"right\"><strong>Materials: Valve Cylinder<\/strong><\/td>\n<td align=\"left\">DN50 to DN 200 (2-in to 4-in): Stainless Steel, ANSI 150 to 600; DN250 to DN 300 (6-in to 8-in) Carbon Steel, Nickel Coated, ANSI 150 to 600<\/td>\n<\/tr>\n<tr>\n<td align=\"right\"><strong>Materials: Valve Piston<\/strong><\/td>\n<td align=\"left\">Standard: Stainless Steel<\/td>\n<\/tr>\n<tr>\n<td align=\"right\"><strong>Materials: Seat Ring<\/strong><\/td>\n<td align=\"left\">DN50 to DN200 (2-in to 6-in) Stainless Steel; DN300 (8-in) Carbon Steel, Nickel Coated<\/td>\n<\/tr>\n<tr>\n<td align=\"right\"><strong>Materials: O-Rings<\/strong><\/td>\n<td align=\"left\">Standard: Viton; Optional: Neoprene, EPR, Kalrez \/ Teflon AP (Aggressive Products)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":12,"featured_media":0,"parent":2704,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"footnotes":""},"class_list":["post-2837","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Simplex Single-Chamber Orifice Fitting - Daniel Measurement &amp; 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