{"product_id":"grundfos-dmx-16-12-mechanical-diaphragm-dosing-pump-water-treatment","title":"Grundfos DMX 16-12 PVC Mechanical Diaphragm Dosing Pump for Water Treatment with Scale Knob Control","description":"\u003cp\u003eIndustrial chemical reticulation requiring enhanced material resistance from a mechanical diaphragm system are served by this robust configuration. This DMX 221 system is intended for rural and industrial users who need a dependable solution with FKM gaskets for compatibility with diverse non-aggressive media.\u003c\/p\u003e \u003cp\u003eThe unit is driven by a 0.09 kW single-phase motor drawing power from a standard 240v supply to maintain high hydraulic efficiency. It delivers a maximum dosing capacity of 16 L\/h at a 12 bar maximum operating pressure, utilising a 10:1 turn-down range through manual stroke length adjustment for consistent fluid management.\u003c\/p\u003e \u003cp\u003eThe hydraulic design utilises a robust mechanical diaphragm paired with ceramic double ball valves to ensure accurate fluid handling and long-term service. This basic control model supports manual adjustment via a 10-100% scale knob, ensuring that chemical delivery corresponds to the available site process requirements during daily duty.\u003c\/p\u003e \u003cp\u003eMechanical integrity is maintained by a PVC pump head and durable FKM gaskets paired with ceramic ball valves. The unit features an IP65 rated gear enclosure with aluminium construction, handles liquid temperatures up to 40°C, and is supplied with standard G5\/8 connections for versatile site tubing and pipework.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eManual stroke length control via 10-100% scale knob for on-site dosing adjustment.\u003c\/li\u003e \u003cli\u003eMechanical diaphragm with NBR\/PTFE coating for high durability in continuous service.\u003c\/li\u003e \u003cli\u003e10:1 turn-down range from 16 L\/h down to 1.6 L\/h for reliable flow control.\u003c\/li\u003e \u003cli\u003ePVC pump head and FKM gaskets for diverse chemical compatibility.\u003c\/li\u003e \u003cli\u003eDouble ball valve configuration for consistent hydraulic behaviour and reliability.\u003c\/li\u003e \u003cli\u003eIP65 rated aluminium gear enclosure protects the motor unit in site installations.\u003c\/li\u003e \u003cli\u003eG5\/8 connections with inserts for multiple hose sizes (4\/6, 6\/9, 6\/12, 9\/12 mm).\u003c\/li\u003e \u003cli\u003eSingle-phase 0.09 kW motor for standard site power supplies.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Grundfos","offers":[{"title":"Default Title","offer_id":50974842749175,"sku":"99206065","price":2418.13,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/grundfos-dmx-16-12-mechanical-diaphragm-dosing-pump-water-treatment.png?v=1785154001","url":"https:\/\/foundationpumps.com.au\/products\/grundfos-dmx-16-12-mechanical-diaphragm-dosing-pump-water-treatment","provider":"Foundation Pumps","version":"1.0","type":"link"}