{"id":8026,"date":"2025-05-28T15:17:01","date_gmt":"2025-05-28T08:17:01","guid":{"rendered":"https:\/\/www.store.toolsheep.com\/product\/dosser-gma-series\/"},"modified":"2026-10-15T00:43:57","modified_gmt":"2026-10-14T17:43:57","slug":"dosser-gma-series","status":"publish","type":"product","link":"https:\/\/store.toolsheep.com\/en\/product\/dosser-gma-series\/","title":{"rendered":"Diaphragm Metering Pump DOSSER GMA Series"},"content":{"rendered":"<div class=\"product\"><div class=\"product\"><h2>Diaphragm Metering Pump DOSSER GMA Series<\/h2>\n<p>The GMA Series is designed for heavy-duty chemical metering applications. Featuring a PTFE diaphragm driven by a mechanical system, the pump provides accurate and adjustable flow (0\u2013100%) even during operation. It includes an oil-lubricated gear drive for extended service life and supports multiple head material options such as PVC, PVDF, SS304, and SS316 to handle various chemicals safely.<\/p>\n<h3>Features<\/h3>\n<ul>\n<li>Maximum flow rate: 1200 L\/h<\/li>\n<li>Maximum pressure: 12 bar<\/li>\n<li>Adjustable flow rate: 0\u2013100% during operation<\/li>\n<li>\u00b12% dosing accuracy<\/li>\n<li>PTFE diaphragm with mechanical actuation<\/li>\n<li>Oil-lubricated gear drive<\/li>\n<li>Head materials: PVC, PVDF, SS304, SS316<\/li>\n<li>Optional diaphragm rupture detection system<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Control<\/h3>\n<ul>\n<li>Manual stroke adjustment<\/li>\n<li>4\u201320 mA signal input via stroke actuator<\/li>\n<li>Digital version supports 4\u201320 mA input<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Applications<\/h3>\n<ul>\n<li>Water and wastewater treatment<\/li>\n<li>Chemical processing<\/li>\n<li>Power plants<\/li>\n<li>Food and beverage industry<\/li>\n<li>Pulp and paper industry<\/li>\n<li>Textile manufacturing<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Specifications<\/h3>\n<table id=\"table_1\">\n<tbody>\n<tr>\n<th>Model<\/th>\n<th>Capacity (LPH)<\/th>\n<th>Max. Pressure (Bar)<\/th>\n<th>Pump Speed (min-1)<\/th>\n<th>Diaphragm (mm)<\/th>\n<th>Stroke Length (mm)<\/th>\n<th>Connection Size (mm)<\/th>\n<th>Power (KW)<\/th>\n<\/tr>\n<tr>\n<td>GMA 2\/12<\/td>\n<td>2~9<\/td>\n<td rowspan=\"5\">12<\/td>\n<td>36<\/td>\n<td rowspan=\"3\">63\/36<\/td>\n<td rowspan=\"3\">1.2<\/td>\n<td rowspan=\"3\">DN8<\/td>\n<td rowspan=\"9\">220\/380V<br \/>\n0.37kW<br \/>\n1400rpm<br \/>\n50\/60Hz<br \/>\nIP55\/F<\/td>\n<\/tr>\n<tr>\n<td>GMA 5\/12<\/td>\n<td>5<\/td>\n<td>72<\/td>\n<\/tr>\n<tr>\n<td>GMA 10\/12<\/td>\n<td>10<\/td>\n<td>144<\/td>\n<\/tr>\n<tr>\n<td>GMA 25\/12<\/td>\n<td>25<\/td>\n<td>72<\/td>\n<td rowspan=\"3\">82\/45<\/td>\n<td rowspan=\"2\">4<\/td>\n<td rowspan=\"2\">DN15<\/td>\n<\/tr>\n<tr>\n<td>GMA 50\/12<\/td>\n<td>50<\/td>\n<td>144<\/td>\n<\/tr>\n<tr>\n<td>GMA 90\/10<\/td>\n<td>90<\/td>\n<td>1.0<\/td>\n<td>72<\/td>\n<td>6<\/td>\n<td rowspan=\"3\"><\/td>\n<\/tr>\n<tr>\n<td>GMA 120\/7<\/td>\n<td>120<\/td>\n<td rowspan=\"3\">0.7<\/td>\n<td>72<\/td>\n<td rowspan=\"4\">110\/70<\/td>\n<td>8<\/td>\n<\/tr>\n<tr>\n<td>GMA 170\/7<\/td>\n<td>170<\/td>\n<td>144<\/td>\n<td>6<\/td>\n<\/tr>\n<tr>\n<td>GMA 240\/7<\/td>\n<td>240~500<\/td>\n<td>144<\/td>\n<td>8<\/td>\n<td rowspan=\"4\">DN25<\/td>\n<\/tr>\n<tr>\n<td>GMA 315\/5<\/td>\n<td>315<\/td>\n<td rowspan=\"3\">0.5<\/td>\n<td>144<\/td>\n<td>8<\/td>\n<td rowspan=\"3\">0.55kW<\/td>\n<\/tr>\n<tr>\n<td>GMA 400\/5<\/td>\n<td>400<\/td>\n<td>144<\/td>\n<td rowspan=\"2\">110\/80<\/td>\n<td rowspan=\"2\">10<\/td>\n<\/tr>\n<tr>\n<td>GMA 500\/5<\/td>\n<td>500<\/td>\n<td>180<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>The DOSSER GMA Series diaphragm pump offers precise chemical dosing with \u00b12% accuracy, supporting flow rates up to 1200 L\/h and pressures up to 12 bar. Ideal for corrosive or viscous fluids in demanding industrial environments.<\/p>\n","protected":false},"featured_media":7869,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"pwb-brand":[],"product_brand":[748],"product_cat":[935,938],"product_tag":[919,920,921,922,896,923],"class_list":["post-8026","product","type-product","status-publish","has-post-thumbnail","product_brand-dosser","product_cat--en","product_tag-dosing-pump","product_tag-920","product_tag-921","product_tag-922","product_tag-896","product_tag-923","first","outofstock","taxable","shipping-taxable","purchasable","product-type-variable"],"acf":[],"brands":[],"_links":{"self":[{"href":"https:\/\/store.toolsheep.com\/en\/wp-json\/wp\/v2\/product\/8026","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/store.toolsheep.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/store.toolsheep.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/store.toolsheep.com\/en\/wp-json\/wp\/v2\/comments?post=8026"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/store.toolsheep.com\/en\/wp-json\/wp\/v2\/media\/7869"}],"wp:attachment":[{"href":"https:\/\/store.toolsheep.com\/en\/wp-json\/wp\/v2\/media?parent=8026"}],"wp:term":[{"taxonomy":"pwb-brand","embeddable":true,"href":"https:\/\/store.toolsheep.com\/en\/wp-json\/wp\/v2\/pwb-brand?post=8026"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/store.toolsheep.com\/en\/wp-json\/wp\/v2\/product_brand?post=8026"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/store.toolsheep.com\/en\/wp-json\/wp\/v2\/product_cat?post=8026"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/store.toolsheep.com\/en\/wp-json\/wp\/v2\/product_tag?post=8026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}