{"id":26713,"date":"2023-03-16T04:23:56","date_gmt":"2023-03-15T20:23:56","guid":{"rendered":"https:\/\/ancor.biz\/?post_type=product&#038;p=26713"},"modified":"2025-08-15T11:51:21","modified_gmt":"2025-08-15T03:51:21","slug":"dwyer-series-rmvii-rate-master-dial-type-flowmeters","status":"publish","type":"product","link":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-rmvii-rate-master-dial-type-flowmeters\/","title":{"rendered":"DWYER RMVII Rate Master Flowmeters"},"content":{"rendered":"<h1>Series RMVII Rate-Master\u00ae Dial-Type Flowmeters, For Panel Mounting, Three Ranges to 10<\/h1>\n<h1>GPM Water, High Pressure Limits<\/h1>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/ancor.biz\/index.php\/product-category\/brand\/dwyer-instruments-brand\/\">DWYER<\/a> RMVII Rate Master Flowmeters\u00a0consists of a machined brass meter body which is ideally suited for water flows with \u00b15% of full scale accuracy. DWYER RMVII Rate Master Flowmeters body design fits standard 4-1\/2&#8243; mounting hole layouts per ANSI B40.1. Inlet and outlet threads are standard 3\/4&#8243; female NPT.<\/p>\n<p>&nbsp;<\/p>\n<p class=\"sub_heading\">Product Applications<\/p>\n<ul class=\"list-details inline product_feature\">\n<li>Monitor coolant flow through ingot heaters, high-amp switchgear, resistance welders, heat exchangers, compressors, scrubbers<\/li>\n<li>Monitor water consumption to different processes and operations for more efficient operations<\/li>\n<li>Calculate required fill or drain times for tanks, water towers<\/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>Unique construction fully isolates flowing media from gage front for leak-proof operation at pressures up to 3000 psig (206.7 bar)<\/li>\n<li>Target-type design combined with a damage resistant magnetic linkage, drive a pointer over easy-to-read litho scale<\/li>\n<li>Shatter proof construction, unlike glass tube variable area flowmeters, yields long operation life<\/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\">\n<p class=\"tab-heading\">Specifications<\/p>\n<ul>\n<li>Service: Compatible gases, liquids and oils.<\/li>\n<li>Wetted Materials: Brass, 302 SS, sintered barium ferrite, polyacetyl.<\/li>\n<li>Temperature Limit: 200\u00b0F (93\u00b0C).<\/li>\n<li>Pressure Limit: 3000 psig (206 bar).<\/li>\n<li>Pressure Drop: 0 to 5 GPM: 3.2 psid; 0 to 10 GPM: 5.3 psid; 0 to 20 GPM: 10.4 psid.<\/li>\n<li>Accuracy: \u00b15% of FS.<\/li>\n<li>Size: Diameter dial face 4.5&#8243; (114.3 mm).<\/li>\n<li>Process Connections: 3\/4&#8243; female NPT.<\/li>\n<li>Weight: 2 lb. 14 oz (1.3 kg).<\/li>\n<\/ul>\n<\/section>\n<p>&nbsp;<\/p>\n<p class=\"tab-heading\">Models &amp; Ordering<\/p>\n<p><strong>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=\"\">RMVII-10<\/td>\n<td class=\"description\" width=\"\">Dial-type flowmeter, range 0-10 SCFM, 0-280 LPM air.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">RMVII-12<\/td>\n<td class=\"description\" width=\"\">Dial-type flowmeter, range 0-30 SCFM, 0-850 LPM air.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">RMVII-14<\/td>\n<td class=\"description\" width=\"\">Dial-type flowmeter, range 0-50 SCFM, 0-1400 LPM air.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><strong>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=\"\">RMVII-20<\/td>\n<td class=\"description\" width=\"\">Dial-type flowmeter, range 0-2.2 GPM, 0-8 LPM oil.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">RMVII-21<\/td>\n<td class=\"description\" width=\"\">Dial-type flowmeter, range 0-4.0 GPM, 0-15 LPM oil.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">RMVII-22<\/td>\n<td class=\"description\" width=\"\">Dial-type flowmeter, range 0-8.5 GPM, 0-32 LPM oil.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><strong>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=\"\">RMVII-1<\/td>\n<td class=\"description\" width=\"\">Dial-type flowmeter, range 0-3 GPM water.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">RMVII-3<\/td>\n<td class=\"description\" width=\"\">Dial-type flowmeter, range 0-5 GPM water.<\/td>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">RMVII-6<\/td>\n<td class=\"description\" width=\"\">Dial-type flowmeter, range 0-10 GPM water.<\/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 RMVII Rate-Master\u00ae Dial-Type Flowmeters, For Panel Mounting, Three Ranges to 10 GPM Water, High Pressure Limits &nbsp; DWYER RMVII Rate Master Flowmeters\u00a0consists of a machined brass meter body which is ideally suited for water flows with \u00b15% of full scale accuracy. DWYER RMVII Rate Master Flowmeters body design fits standard 4-1\/2&#8243; mounting hole layouts &#8230; <a title=\"DWYER RMVII Rate Master Flowmeters\" class=\"read-more\" href=\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-rmvii-rate-master-dial-type-flowmeters\/\" aria-label=\"More on DWYER RMVII Rate Master Flowmeters\">Read more<\/a><\/p>\n","protected":false},"featured_media":26727,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":""},"class_list":["post-26713","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-dwyer-rmvii","product_tag-dwyer-rmvii-rate-master-flowmeter","product_tag-rmvii","product_tag-rmvii-rate-master-flowmeter","product_tag-rmvii-1","product_tag-rmvii-10","product_tag-rmvii-12","product_tag-rmvii-14","product_tag-rmvii-20","product_tag-rmvii-21","product_tag-rmvii-22","product_tag-rmvii-3","product_tag-rmvii-6","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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