{"product_id":"grundfos-dmx-321-6-aluminium-epdm-3-phase-dosing-pump-for-cooling-water-treatment-with-mechanical-diaphragm","title":"Grundfos DMX 321-6 Aluminium EPDM 3-Phase Dosing Pump for Cooling Water Treatment with Mechanical Diaphragm","description":"\u003cp\u003eChemical industry applications requiring higher dosing capacity are served by the DMX 321-6 mechanical diaphragm dosing pump from Grundfos. Manual stroke length adjustment from 10-100% yields a 10:1 turndown ratio for dosing rate control.\u003c\/p\u003e\u003cp\u003eThe DMX 321-6 delivers 321 L\/h maximum dosing capacity at 6 bar pressure, operating at 50 Hz with a 0.40 kW motor on 3 x 415v supply. Dosing flow variation is less than ±1.5% with linearity within ±4% at minimum 1 bar differential pressure. Suction lift capability is 2 metres during operation.\u003c\/p\u003e\u003cp\u003eThermoplastic dosing head construction on the DMX 321-6 incorporates ceramic valve balls and EPDM gaskets. Standard non-return valves are fitted on both connections. The PTFE-coated diaphragm handles liquid temperatures from 0 to 40°C.\u003c\/p\u003e\u003cp\u003eAluminium gear housing with IP65 enclosure protects the DMX 321-6. G5\/4 connections accommodate 19\/27 and 20\/25 mm connections.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdjustable stroke length from 10-100% of maximum\u003c\/li\u003e\n\u003cli\u003e0.40 kW motor for increased dosing capacity\u003c\/li\u003e\n\u003cli\u003eEPDM gaskets for chemical compatibility\u003c\/li\u003e\n\u003cli\u003eStandard non-return valves on suction and discharge\u003c\/li\u003e\n\u003cli\u003ePTFE-coated diaphragm for chemical resistance\u003c\/li\u003e\n\u003cli\u003eIP65 enclosure for industrial environments\u003c\/li\u003e\n\u003cli\u003eG5\/4 connections for 19\/27 and 20\/25 mm tubing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Grundfos","offers":[{"title":"Default Title","offer_id":50974861099255,"sku":"99206039","price":5438.18,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/grundfos-dmx-321-6-aluminium-epdm-3-phase-dosing-pump-for-cooling-water-treatment-with-mechanical-diaphragm.png?v=1785155106","url":"https:\/\/foundationpumps.com.au\/products\/grundfos-dmx-321-6-aluminium-epdm-3-phase-dosing-pump-for-cooling-water-treatment-with-mechanical-diaphragm","provider":"Foundation Pumps","version":"1.0","type":"link"}