{"id":26744,"date":"2023-03-16T04:45:53","date_gmt":"2023-03-15T20:45:53","guid":{"rendered":"https:\/\/ancor.biz\/?post_type=product&#038;p=26744"},"modified":"2025-08-15T11:51:21","modified_gmt":"2025-08-15T03:51:21","slug":"dwyer-series-dtfa-variable-area-flowmeter-for-gases","status":"publish","type":"product","link":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtfa-variable-area-flowmeter-for-gases\/","title":{"rendered":"DWYER DTFA Variable Area Flowmeter"},"content":{"rendered":"<h1>Series DTFA Variable-Area Flowmeter for Gases, Economical, Aluminum Body, 5% FS<\/h1>\n<h1>Accuracy<\/h1>\n<p>&nbsp;<\/p>\n<p><b><a href=\"https:\/\/ancor.biz\/index.php\/product-category\/brand\/dwyer-instruments-brand\/\">DWYER<\/a> DTFA Variable Area Flowmeter for Gases<\/b> measures gas flow rates with \u00b15% of full-scale accuracy at an affordable price. DWYER DTFA Variable Area Flowmeter\u00a0 IS rugged aluminum construction ensures great compatibility and the strength to withstand system pressures of up to 3000 psig (200 bar). Available in either 1\/4&#8243; or 1\/2&#8243; NPT connections. Comes pre-calibrated for horizontal in-line mounting.<\/p>\n<h2><\/h2>\n<p class=\"sub_heading\">Product Applications<\/p>\n<ul class=\"list-details inline product_feature\">\n<li>Monitoring pressure drop across filters or strainers<\/li>\n<li>Flow scale based on differential pressure<\/li>\n<li>Liquid level given pressure differential between bottom and top of tank<\/li>\n<li>Hydraulic equipment<\/li>\n<li>Oil &amp; gas equipment<\/li>\n<li>Heat exchangers<\/li>\n<li>Backflow prevention<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<section id=\"features\" class=\"ui-tabs-panel ui-widget-content ui-corner-bottom\" role=\"tabpanel\" aria-labelledby=\"ui-id-4\" aria-expanded=\"true\" aria-hidden=\"false\">\n<p class=\"tab-heading\">Features<\/p>\n<ul>\n<li>Durable metal construction ensures great reliability and the strength to withstand system pressures of up to 3000 psig (200 bar)<\/li>\n<li>Shatter proof construction, unlike glass tube variable area flowmeters, yields long operation life<\/li>\n<li>Preform precisely in high temperature, high vibration, shock-prone environments<\/li>\n<\/ul>\n<\/section>\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\">Specifications<\/p>\n<ul>\n<li>Service: DTFW: Compatible liquids; DTFA: Compatible gases.<\/li>\n<li>Wetted Materials: Body: 316 SS, brass or aluminum; Spring: 302 SS or PTFEcoated; Range spring: 302 SS; Magnet: PTFE-coated; Metering cone: Acetal or PTFE; Seals: Buna.<\/li>\n<li>Temperature Limits: -40 to 200\u00b0F (-40 to 93\u00b0C).<\/li>\n<li>Pressure Limit: DTFW-3S: 1500 psig (100 bar); All other DTFW models: 3000 psig (200 bar); DTFA: 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 Connection: See model chart on catalog page.<\/li>\n<li>Weight: DTFW-1B and 1S: 3 lb (1.36 kg); DTFW-2B and 2S: 5 lb (2.27 kg); DTFW- 3S: 10 lb (4.54 kg); DTFA-1A: 3 lb (1.36 kg); DTFA-2A: 5 lb (2.27 kg).<\/li>\n<\/ul>\n<\/section>\n<p>&nbsp;<\/p>\n<p class=\"tab-heading\">Models &amp; Ordering<\/p>\n<p><strong>1\/4&#8243; connections<\/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=\"\">DTFA-1A-10A<\/td>\n<td class=\"description\" width=\"\">Range 1.5-10 SCFM, 1\/4&#8243; npt connection<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DTFA-1A-15A<\/td>\n<td class=\"description\" width=\"\">Range 2.0-15 SCFM, 1\/4&#8243; npt connection<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DTFA-1A-20A<\/td>\n<td class=\"description\" width=\"\">Range 3.0-20 SCFM, 1\/4&#8243; npt connection<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DTFA-1A-25A<\/td>\n<td class=\"description\" width=\"\">Range 3.0-25 SCFM, 1\/4&#8243; npt connection<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><strong>1\/2&#8243; connections<\/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=\"\">DTFA-2A-100A<\/td>\n<td class=\"description\" width=\"\">Range 10.0-100 SCFM, 1\/2&#8243; npt connection<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DTFA-2A-30A<\/td>\n<td class=\"description\" width=\"\">Range 3.0-30 SCFM, 1\/2&#8243; npt connection<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DTFA-2A-40A<\/td>\n<td class=\"description\" width=\"\">Range 4.0-40 SCFM, 1\/2&#8243; npt connection<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DTFA-2A-50A<\/td>\n<td class=\"description\" width=\"\">Range 4.0-50 SCFM, 1\/2&#8243; npt connection<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">DTFA-2A-75A<\/td>\n<td class=\"description\" width=\"\">Range 5.0-75 SCFM, 1\/2&#8243; npt connection<\/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 DTFA Variable-Area Flowmeter for Gases, Economical, Aluminum Body, 5% FS Accuracy &nbsp; DWYER DTFA Variable Area Flowmeter for Gases measures gas flow rates with \u00b15% of full-scale accuracy at an affordable price. DWYER DTFA Variable Area Flowmeter\u00a0 IS rugged aluminum construction ensures great compatibility and the strength to withstand system pressures of up to &#8230; <a title=\"DWYER DTFA Variable Area Flowmeter\" class=\"read-more\" href=\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-dtfa-variable-area-flowmeter-for-gases\/\" aria-label=\"More on DWYER DTFA Variable Area Flowmeter\">Read more<\/a><\/p>\n","protected":false},"featured_media":26758,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":""},"class_list":["post-26744","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-dtfa","product_tag-dtfa-variable-area-flowmeter","product_tag-dtfa-1a-10a","product_tag-dtfa-1a-15a","product_tag-dtfa-1a-20a","product_tag-dtfa-1a-25a","product_tag-dtfa-2a-100a","product_tag-dtfa-2a-30a","product_tag-dtfa-2a-40a","product_tag-dtfa-2a-50a","product_tag-dtfa-2a-75a","product_tag-dwyer-dtfa","product_tag-dwyer-dtfa-variable-area-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 - 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