{"id":249382,"date":"2025-10-13T14:34:54","date_gmt":"2025-10-13T06:34:54","guid":{"rendered":"https:\/\/winstonengineering.com\/my\/?post_type=product&#038;p=249382"},"modified":"2026-03-30T10:34:33","modified_gmt":"2026-03-30T02:34:33","slug":"sr-series-type-d-mechanical-diaphragm","status":"publish","type":"product","link":"https:\/\/winstonengineering.com\/my\/product\/sr-series-type-d-mechanical-diaphragm\/","title":{"rendered":"SR SERIES &#8211; Type: D (Mechanical Diaphragm)"},"content":{"rendered":"<h1><strong>APPLICATIONS<\/strong><\/h1>\n<p>Injection of chemicals as coagulant, fertilizer, acids, polymers and much more. Commonly used in the following applications:<\/p>\n<ul>\n<li>Fertigation<\/li>\n<li>Water treatment<\/li>\n<li>Paper industry<\/li>\n<li>Chemical industry<\/li>\n<li>Food industry<\/li>\n<li>Cooling towers<\/li>\n<\/ul>\n<p><strong>FEATURES<\/strong><\/p>\n<ul>\n<li>Simplex and multi-head versions are available.<\/li>\n<li>BSPPm valve connections are standard. Flanged or other connections are available upon request.<\/li>\n<li>Cataphoresis painting for gearbox.<\/li>\n<li>Endless screw worm gear box supported by bearings and fully lubricated in an oil bath.<\/li>\n<li>Fitted as standard with high quality 4 pole electric motor that conform to UNEL-MEC specifications, and range from 0,18kW to 0,75kW. Standard 3 phase voltages are 220-240V(\u0394) 380-415 (Y) 50Hz \/ 220-280V(\u0394) 380-480 (Y) 60Hz. Standard 1 phase voltage 230V-50Hz. Motors are available to meet a wide range of alternative specifications including: ATEX; different voltages, frequencies, higher insulation standards and more.<\/li>\n<li>Stroke adjustment can be made with the pump at rest or in operation and it can be manual or an automatic actuator can be driven by a 4-20 mA; different BUS; pneumatically.<\/li>\n<li>Components in wetted areas are available in a wide range of materials suitable for chemical injection applications.<\/li>\n<li>PTFE coated diaphragm.<\/li>\n<\/ul>\n<p><strong>Max. flow rate L\/h<\/strong><\/p>\n<ul>\n<li>D 050 49<\/li>\n<li>D 100 374<\/li>\n<li>D 101 408<\/li>\n<li>D 121 574<\/li>\n<\/ul>\n<p><strong>FITTINGS<\/strong><\/p>\n<ul>\n<li>\u00a0Polyethylene tanks<\/li>\n<li>Relief valves and back pressure valves<\/li>\n<li>Safety relief valve<\/li>\n<li>Injection valve<\/li>\n<li>Fout valve<\/li>\n<li>Hydropneumatic accumulators<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>Spring Return Mechanical Diaphragm<\/strong><\/p>\n<p>normally used when:<br \/>\n\u2022 The dosed liquid contains small amounts of suspended solids<br \/>\n\u2022 A drip proof\/air tight application is required<br \/>\n\u2022 The dosed liquid is a toxic solution.<br \/>\n\u2022 As mechanical diaphragm they are easy for maintenance<\/p>\n","protected":false},"featured_media":249383,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":""},"product_brand":[531],"product_cat":[92,101],"product_tag":[],"class_list":["post-249382","product","type-product","status-publish","has-post-thumbnail","product_brand-doseuro","product_cat-liquid-transfer","product_cat-diaphragm-pump","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/winstonengineering.com\/my\/wp-json\/wp\/v2\/product\/249382","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/winstonengineering.com\/my\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/winstonengineering.com\/my\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/winstonengineering.com\/my\/wp-json\/wp\/v2\/comments?post=249382"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/winstonengineering.com\/my\/wp-json\/wp\/v2\/media\/249383"}],"wp:attachment":[{"href":"https:\/\/winstonengineering.com\/my\/wp-json\/wp\/v2\/media?parent=249382"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/winstonengineering.com\/my\/wp-json\/wp\/v2\/product_brand?post=249382"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/winstonengineering.com\/my\/wp-json\/wp\/v2\/product_cat?post=249382"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/winstonengineering.com\/my\/wp-json\/wp\/v2\/product_tag?post=249382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}