{"id":26778,"date":"2023-03-16T07:25:23","date_gmt":"2023-03-15T23:25:23","guid":{"rendered":"https:\/\/ancor.biz\/?post_type=product&#038;p=26778"},"modified":"2025-08-15T11:51:21","modified_gmt":"2025-08-15T03:51:21","slug":"dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates","status":"publish","type":"product","link":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/","title":{"rendered":"DWYER DTFF Fixed Orifice Flowmeter"},"content":{"rendered":"<h1>Series DTFF Fixed-Orifice Flowmeter for Low Flow Rates 316 SS Body, Oil\/Gas\/Water<\/h1>\n<h1>Calibration<\/h1>\n<p>&nbsp;<\/p>\n<p><b><a href=\"https:\/\/ancor.biz\/index.php\/product-category\/brand\/dwyer-instruments-brand\/\">DWYER<\/a> DTFF Fixed Orifice Flowmeter for Low Flow Rates<\/b> measures water, oil, or air flow rates with great accuracy at a competitive price. DWYER DTFF Fixed Orifice Flowmeter is rugged stainless steel construction ensures great compatibility and is an excellent choice for high line pressure applications, with a maximum pressure of 3000 psig (200 bar).<\/p>\n<p>This is all without sacrificing the sensitivity required for low flow measurements. Available in a wide range of flow rates for each calibration, with stainless steel construction as standard. Comes pre calibrated for horizontal in-line mounting.<\/p>\n<p>&nbsp;<\/p>\n<section id=\"specs\" class=\"ui-tabs-panel ui-widget-content ui-corner-bottom\" role=\"tabpanel\" aria-labelledby=\"ui-id-3\" aria-expanded=\"true\" aria-hidden=\"false\">\n<p class=\"tab-heading\">Specifications<\/p>\n<ul>\n<li>Service: Compatible gases &amp; liquids &amp; oils.<\/li>\n<li>Wetted Materials: &gt; Body: 316 SS; Spring: 302SS; Range spring: 302 SS; Magnet: PTFE-coated; Orifice piston: Acetal;<br \/>\nDiaphragm: Fluoroelastomer.<\/li>\n<li>Temperature Limit: -22 to 200\u00b0F (30 to 93\u00b0C).<\/li>\n<li>Pressure Limit: 3000 psig (200 bar).<\/li>\n<li>Accuracy: Liquid\/oil calibration: \u00b12% FS; Air calibration: \u00b15% FS.<\/li>\n<li>Repeatability: \u00b11% FS.<\/li>\n<li>Size: Diameter dial face 2.5&#8243; (63.5 mm).<\/li>\n<li>Process Connections: 1\/4&#8243; female NPT.<\/li>\n<li>Weight: 4 lb (1.81 kg).<\/li>\n<\/ul>\n<\/section>\n<p>&nbsp;<\/p>\n<p class=\"tab-heading\">Models &amp; Ordering<\/p>\n<p><strong>Calibrated for Water<\/strong><\/p>\n<table class=\"product-table\">\n<tbody>\n<tr>\n<th class=\"model-number\" nowrap=\"nowrap\" width=\"\">Model<\/th>\n<th class=\"description\" width=\"\">Description<\/th>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DTFF-1S-10W<\/td>\n<td class=\"description\" width=\"\">Range 0-10 GPH, water calibration, 1\/4&#8243; npt<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DTFF-1S-15W<\/td>\n<td class=\"description\" width=\"\">Range 0-15 GPH, water calibration, 1\/4&#8243; npt<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DTFF-1S-25W<\/td>\n<td class=\"description\" width=\"\">Range 0-25 GPH, water calibration, 1\/4&#8243; npt<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DTFF-1S-40W<\/td>\n<td class=\"description\" width=\"\">Range 0-40 GPH, water calibration, 1\/4&#8243; npt<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DTFF-1S-4W<\/td>\n<td class=\"description\" width=\"\">Range 0-4 GPH, water calibration, 1\/4&#8243; npt<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DTFF-1S-8W<\/td>\n<td class=\"description\" width=\"\">Range 0-8 GPH, water calibration, 1\/4&#8243; npt<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><strong>Calibrated for Oil<\/strong><\/p>\n<table class=\"product-table\">\n<tbody>\n<tr>\n<th class=\"model-number\" nowrap=\"nowrap\" width=\"\">Model<\/th>\n<th class=\"description\" width=\"\">Description<\/th>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DTFF-1S-8O<\/td>\n<td class=\"description\" width=\"\">Range 0-8 GPH, oil calibration, 1\/4&#8243; npt<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><strong>Calibrated for Air<\/strong><\/p>\n<table class=\"product-table\">\n<tbody>\n<tr>\n<th class=\"model-number\" nowrap=\"nowrap\" width=\"\">Model<\/th>\n<th class=\"description\" width=\"\">Description<\/th>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DTFF-1S-5A<\/td>\n<td class=\"description\" width=\"\">Range 1.5-5 SCFM, air calibration, 1\/4&#8243; npt<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Series DTFF Fixed-Orifice Flowmeter for Low Flow Rates 316 SS Body, Oil\/Gas\/Water Calibration &nbsp; DWYER DTFF Fixed Orifice Flowmeter for Low Flow Rates measures water, oil, or air flow rates with great accuracy at a competitive price. DWYER DTFF Fixed Orifice Flowmeter is rugged stainless steel construction ensures great compatibility and is an excellent choice &#8230; <a title=\"DWYER DTFF Fixed Orifice Flowmeter\" class=\"read-more\" href=\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/\" aria-label=\"More on DWYER DTFF Fixed Orifice Flowmeter\">Read more<\/a><\/p>\n","protected":false},"featured_media":26795,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":""},"class_list":["post-26778","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-brand","product_cat-dwyer-instruments-dwyer-omega","product_cat-dwyer-instruments-brand","product_cat-dwyer-omega","product_cat-flowmeter-dwyer-instruments-dwyer-omega","product_cat-flowmeter-dwyer-instruments-brand","product_cat-flowmeter","product_cat-dwyer","product_tag-dtff","product_tag-dtff-flowmeter","product_tag-dtff-1s-10w","product_tag-dtff-1s-15w","product_tag-dtff-1s-25w","product_tag-dtff-1s-40w","product_tag-dtff-1s-4w","product_tag-dtff-1s-5a","product_tag-dtff-1s-8o","product_tag-dtff-1s-8w","product_tag-dwyer-dtff","product_tag-dwyer-dtff-fixed-orifice-flowmeter","sales-flash-overlay","woocommerce-text-align-center","woocommerce-image-align-center","do-quantity-buttons"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>DWYER DTFF Fixed Orifice Flowmeter - Ancor Sdn Bhd<\/title>\n<meta name=\"description\" content=\"DWYER DTFF Fixed Orifice Flowmeter DTFF-1S-10W , DTFF-1S-15W , DTFF-1S-25W , DTFF-1S-40W , DTFF-1S-4W , DTFF-1S-8W , DTFF-1S-8O , DTFF-1S-5A\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DWYER DTFF Fixed Orifice Flowmeter - Ancor Sdn Bhd\" \/>\n<meta property=\"og:description\" content=\"DWYER DTFF Fixed Orifice Flowmeter DTFF-1S-10W , DTFF-1S-15W , DTFF-1S-25W , DTFF-1S-40W , DTFF-1S-4W , DTFF-1S-8W , DTFF-1S-8O , DTFF-1S-5A\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/\" \/>\n<meta property=\"og:site_name\" content=\"Ancor Sdn Bhd\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-15T03:51:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ancor.biz\/wp-content\/uploads\/2023\/03\/Dwyer-Series-DTFF-Fixed-Orifice-Flowmeter-for-Low-Flow-Rates.gif\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/gif\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/\",\"url\":\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/\",\"name\":\"DWYER DTFF Fixed Orifice Flowmeter - Ancor Sdn Bhd\",\"isPartOf\":{\"@id\":\"https:\/\/ancor.biz\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/ancor.biz\/wp-content\/uploads\/2023\/03\/Dwyer-Series-DTFF-Fixed-Orifice-Flowmeter-for-Low-Flow-Rates.gif\",\"datePublished\":\"2023-03-15T23:25:23+00:00\",\"dateModified\":\"2025-08-15T03:51:21+00:00\",\"description\":\"DWYER DTFF Fixed Orifice Flowmeter DTFF-1S-10W , DTFF-1S-15W , DTFF-1S-25W , DTFF-1S-40W , DTFF-1S-4W , DTFF-1S-8W , DTFF-1S-8O , DTFF-1S-5A\",\"breadcrumb\":{\"@id\":\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/#primaryimage\",\"url\":\"https:\/\/ancor.biz\/wp-content\/uploads\/2023\/03\/Dwyer-Series-DTFF-Fixed-Orifice-Flowmeter-for-Low-Flow-Rates.gif\",\"contentUrl\":\"https:\/\/ancor.biz\/wp-content\/uploads\/2023\/03\/Dwyer-Series-DTFF-Fixed-Orifice-Flowmeter-for-Low-Flow-Rates.gif\",\"width\":600,\"height\":600},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ancor.biz\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\/\/ancor.biz\/index.php\/shop\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"DWYER DTFF Fixed Orifice Flowmeter\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/ancor.biz\/#website\",\"url\":\"https:\/\/ancor.biz\/\",\"name\":\"Ancor Sdn Bhd\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/ancor.biz\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/ancor.biz\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/ancor.biz\/#organization\",\"name\":\"Ancor Sdn Bhd\",\"url\":\"https:\/\/ancor.biz\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/ancor.biz\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/ancor.biz\/wp-content\/uploads\/2021\/05\/ancor-logo.png\",\"contentUrl\":\"https:\/\/ancor.biz\/wp-content\/uploads\/2021\/05\/ancor-logo.png\",\"width\":600,\"height\":65,\"caption\":\"Ancor Sdn Bhd\"},\"image\":{\"@id\":\"https:\/\/ancor.biz\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"DWYER DTFF Fixed Orifice Flowmeter - Ancor Sdn Bhd","description":"DWYER DTFF Fixed Orifice Flowmeter DTFF-1S-10W , DTFF-1S-15W , DTFF-1S-25W , DTFF-1S-40W , DTFF-1S-4W , DTFF-1S-8W , DTFF-1S-8O , DTFF-1S-5A","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/","og_locale":"en_US","og_type":"article","og_title":"DWYER DTFF Fixed Orifice Flowmeter - Ancor Sdn Bhd","og_description":"DWYER DTFF Fixed Orifice Flowmeter DTFF-1S-10W , DTFF-1S-15W , DTFF-1S-25W , DTFF-1S-40W , DTFF-1S-4W , DTFF-1S-8W , DTFF-1S-8O , DTFF-1S-5A","og_url":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/","og_site_name":"Ancor Sdn Bhd","article_modified_time":"2025-08-15T03:51:21+00:00","og_image":[{"width":600,"height":600,"url":"https:\/\/ancor.biz\/wp-content\/uploads\/2023\/03\/Dwyer-Series-DTFF-Fixed-Orifice-Flowmeter-for-Low-Flow-Rates.gif","type":"image\/gif"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/","url":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/","name":"DWYER DTFF Fixed Orifice Flowmeter - Ancor Sdn Bhd","isPartOf":{"@id":"https:\/\/ancor.biz\/#website"},"primaryImageOfPage":{"@id":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/#primaryimage"},"image":{"@id":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/#primaryimage"},"thumbnailUrl":"https:\/\/ancor.biz\/wp-content\/uploads\/2023\/03\/Dwyer-Series-DTFF-Fixed-Orifice-Flowmeter-for-Low-Flow-Rates.gif","datePublished":"2023-03-15T23:25:23+00:00","dateModified":"2025-08-15T03:51:21+00:00","description":"DWYER DTFF Fixed Orifice Flowmeter DTFF-1S-10W , DTFF-1S-15W , DTFF-1S-25W , DTFF-1S-40W , DTFF-1S-4W , DTFF-1S-8W , DTFF-1S-8O , DTFF-1S-5A","breadcrumb":{"@id":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/#primaryimage","url":"https:\/\/ancor.biz\/wp-content\/uploads\/2023\/03\/Dwyer-Series-DTFF-Fixed-Orifice-Flowmeter-for-Low-Flow-Rates.gif","contentUrl":"https:\/\/ancor.biz\/wp-content\/uploads\/2023\/03\/Dwyer-Series-DTFF-Fixed-Orifice-Flowmeter-for-Low-Flow-Rates.gif","width":600,"height":600},{"@type":"BreadcrumbList","@id":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtff-fixed-orifice-flowmeter-for-low-flow-rates\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/ancor.biz\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/ancor.biz\/index.php\/shop\/"},{"@type":"ListItem","position":3,"name":"DWYER DTFF Fixed Orifice Flowmeter"}]},{"@type":"WebSite","@id":"https:\/\/ancor.biz\/#website","url":"https:\/\/ancor.biz\/","name":"Ancor Sdn Bhd","description":"","publisher":{"@id":"https:\/\/ancor.biz\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/ancor.biz\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/ancor.biz\/#organization","name":"Ancor Sdn Bhd","url":"https:\/\/ancor.biz\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ancor.biz\/#\/schema\/logo\/image\/","url":"https:\/\/ancor.biz\/wp-content\/uploads\/2021\/05\/ancor-logo.png","contentUrl":"https:\/\/ancor.biz\/wp-content\/uploads\/2021\/05\/ancor-logo.png","width":600,"height":65,"caption":"Ancor Sdn Bhd"},"image":{"@id":"https:\/\/ancor.biz\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/ancor.biz\/index.php\/wp-json\/wp\/v2\/product\/26778","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ancor.biz\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ancor.biz\/index.php\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":5,"href":"https:\/\/ancor.biz\/index.php\/wp-json\/wp\/v2\/product\/26778\/revisions"}],"predecessor-version":[{"id":50162,"href":"https:\/\/ancor.biz\/index.php\/wp-json\/wp\/v2\/product\/26778\/revisions\/50162"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ancor.biz\/index.php\/wp-json\/wp\/v2\/media\/26795"}],"wp:attachment":[{"href":"https:\/\/ancor.biz\/index.php\/wp-json\/wp\/v2\/media?parent=26778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}