{"id":2741,"date":"2022-03-04T15:29:46","date_gmt":"2022-03-04T15:29:46","guid":{"rendered":"https:\/\/2022daniel.com\/?page_id=2741"},"modified":"2026-06-11T12:08:35","modified_gmt":"2026-06-11T12:08:35","slug":"series-788-digital-control-valves","status":"publish","type":"page","link":"https:\/\/daniel.com\/?page_id=2741","title":{"rendered":"Series 788 Digital Control Valves"},"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-aspect-ratio: 100 \/ 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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);\">Series 788 Digital Control Valves<\/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);\">Preferred worldwide for loading and off-loading of liquid petroleum products.<\/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;\">T<\/span>he Daniel<sup>\u00ae<\/sup> 788 Digital Control Valve tightly controls the flow rate and provides batching capabilities when installed with an electronic batch control device or preset. The high-capacity valve offers smooth linear action for maximum flow and minimum pressure drop with the preset automatically controlling low-flow start-up, high-flow rate control, low-flow shutdown and final shutoff. The valve has no diaphragms or stuffing boxes and the seat and seat ring can be removed as a cartridge assembly to simplify maintenance. An aggressive-products option is available for alcohols, MTBE, TAME, reformulated fuels and other challenging additives or oxygenates.<\/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 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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-90fe7c292652b1082c5\" aria-selected=\"true\" id=\"fusion-tab-specifications\" href=\"#tab-90fe7c292652b1082c5\"><h4 class=\"fusion-tab-heading\">Specifications<\/h4><\/a><\/li><li role=\"presentation\"><a class=\"tab-link\" data-toggle=\"tab\" role=\"tab\" aria-controls=\"tab-a1ef352014de070586d\" aria-selected=\"false\" tabindex=\"-1\" id=\"fusion-tab-features\" href=\"#tab-a1ef352014de070586d\"><h4 class=\"fusion-tab-heading\">Features<\/h4><\/a><\/li><li role=\"presentation\"><a class=\"tab-link\" data-toggle=\"tab\" role=\"tab\" aria-controls=\"tab-48a40706959c2bf514e\" aria-selected=\"false\" tabindex=\"-1\" id=\"fusion-tab-documentsanddrawings\" href=\"#tab-48a40706959c2bf514e\"><h4 class=\"fusion-tab-heading\">Documents and Drawings<\/h4><\/a><\/li><li role=\"presentation\"><a class=\"tab-link\" data-toggle=\"tab\" role=\"tab\" aria-controls=\"tab-8fe2ccfbb8edc48646c\" aria-selected=\"false\" tabindex=\"-1\" id=\"fusion-tab-videos\" href=\"#tab-8fe2ccfbb8edc48646c\"><h4 class=\"fusion-tab-heading\">Videos<\/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-90fe7c292652b1082c5\" aria-selected=\"true\" id=\"mobile-fusion-tab-specifications\" href=\"#tab-90fe7c292652b1082c5\"><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-90fe7c292652b1082c5\">\n<div class=\"specs-table\">\n<table width=\"100%\">\n<tbody>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><strong>Line Size<\/strong><\/td>\n<td class=\"specs-table-rt\" align=\"left\">DN50 to DN200 (2-in to 8-in)<\/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<\/td>\n<\/tr>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><strong>Operating Temperature Range<\/strong><\/td>\n<td class=\"specs-table-rt\" align=\"left\">-29\u00ba C to +66\u00ba C (-20\u00ba F to +150\u00ba F)<\/td>\n<\/tr>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><strong>Operating Pressure Range<\/strong><\/td>\n<td class=\"specs-table-rt\" align=\"left\">ANSI 150 to 300<\/td>\n<\/tr>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><strong>Materials: Valve Body<\/strong><\/td>\n<td class=\"specs-table-rt\" align=\"left\">Carbon Steel, ASTM A352 GR LCC<\/td>\n<\/tr>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><strong>Materials: Valve Cylinder<\/strong><\/td>\n<td class=\"specs-table-rt\" align=\"left\">\n<p>DN50 (2-in): Stainless Steel, ANSI 150 to 600;<\/p>\n<p>DN80 to DN 300 (3-in to 8-in): Stainless Steel or Carbon Steel Nickel Coated, ANSI 150 to 600<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><strong>Materials: Valve Piston<\/strong><\/td>\n<td class=\"specs-table-rt\" align=\"left\">Standard: Stainless Steel<\/td>\n<\/tr>\n<tr>\n<td class=\"specs-table-lt\" align=\"right\"><strong>Materials: Seat Ring<\/strong><\/td>\n<td class=\"specs-table-rt\" 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 class=\"specs-table-lt\" align=\"right\"><strong>Materials: O-Rings<\/strong><\/td>\n<td class=\"specs-table-rt\" align=\"left\">Standard: Viton; Optional: Neoprene, EPR, Kalrez \/ Teflon AP (Aggressive Products)<\/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-a1ef352014de070586d\" aria-selected=\"false\" tabindex=\"-1\" id=\"mobile-fusion-tab-features\" href=\"#tab-a1ef352014de070586d\"><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-a1ef352014de070586d\">\n<ul>\n<li>Effective planning and execution of maintenance and product lifecycle strategies is essential to meeting production and metering targets, and keeping costs low. The right mix of maintenance activities will help you operate safely, consistently and economy<\/li>\n<li>Avoid damage due to shock pressure with adjustable control of closing speed<\/li>\n<li>Reduce pressure drop and maintenance compared to axial flow valves with high-capacity, 45\u00ba piston operation<\/li>\n<li>Control pressure from 60 to 9928 kPa (10 to 1440 psi) within \u00b113.8 kPa (\u00b12 psi) of setpoint<\/li>\n<li>Improve reliability with positive O-ring seal and valve seats not affected by fluid viscosity and pressure drop<\/li>\n<li>Protect equipment and personnel with positive shutoff (ANSI Class VI) and fail-safe closure upon power loss<\/li>\n<li>Maximize uptime with all internal parts housed in a cartridge assembly; no need to remove the valve from the<br \/>\nline<\/li>\n<li>Minimize wear-related maintenance with a simple design<br \/>\nfeaturing no diaphragms or stuffing boxes<\/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-48a40706959c2bf514e\" aria-selected=\"false\" tabindex=\"-1\" id=\"mobile-fusion-tab-documentsanddrawings\" href=\"#tab-48a40706959c2bf514e\"><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-48a40706959c2bf514e\">\n<p><strong>Downloadable PDF<\/strong><\/p>\n<p><a href=\"https:\/\/daniel.com\/wp-content\/uploads\/2026\/06\/Digital-Control-Valve-Product-Guide.pdf\" target=\"_blank\" rel=\"noopener\" data-wplink-edit=\"true\"><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 Model V788 Digital Control Valves Product Guide<\/a><\/p>\n<p><a href=\"https:\/\/daniel.com\/wp-content\/uploads\/2025\/08\/Digital-Control-Valve-User-Manual_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 Model V788 Digital Control Valves User Manual<\/a><\/p>\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-8fe2ccfbb8edc48646c\" aria-selected=\"false\" tabindex=\"-1\" id=\"mobile-fusion-tab-videos\" href=\"#tab-8fe2ccfbb8edc48646c\"><h4 class=\"fusion-tab-heading\">Videos<\/h4><\/a><\/li><\/ul><\/div><div class=\"tab-pane fade fusion-clearfix\" role=\"tabpanel\" tabindex=\"0\" aria-labelledby=\"fusion-tab-videos\" id=\"tab-8fe2ccfbb8edc48646c\">\n<p><div class=\"video-shortcode\"><iframe title=\"Daniel Control Valves\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/hvcKUgAK39I?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/div>\n<\/p>\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":2606,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"footnotes":""},"class_list":["post-2741","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Series 788 Digital Control Valves - Daniel Measurement &amp; 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