grundfos Water Treatment DMH-API High-Capacity Piston Diaphragm Dosing Pump according to API 675* Features Control variants • Hydraulic piston diaphragm dosing pump for industrial applications, up to 200 bar • Manual stroke length adjustment • Precise hydraulic phase control with adjustment knob and vernier scale • High dosing accuracy and linear dosing curve • Full-PTFE diaphragm with active diaphragm protection valve • Integrated pressure relief valve and hydraulic chamber degassing valve • Dosing head, valves and flanges made of stainless steel EN 1.4571 (AISI 316Ti) • Axially fixed suction and discharge valves • Electric servomotor for automatic stroke length adjustment, optionally with inputs and outputs for analog signal • PTC motor for frequency control • Inductive stroke sensor for batch dosing Performance ranges P[bar] 200 • ANSI flange connections: RF 150 on suction side, RJT 1500 on pressure side • Motors with various voltages/frequencies, EEx de motors, special motors for high ambient temperatures and relative humidity • Pump with ATEX certificate • Enclosure material grey cast iron Double-head pump * For deviations, please see the list of deviations (API Compliance certificate)

Technical data See the list of deviations in the API 675 Compliance certificate, please. Pump type Stroke frequency Stroke frequency Stroke frequency Stroke volume Motor power Connection ANSI flange 1) The maximum flow is measured at maximum counterpressure. Maximum flow is counted per dosing head (pumps with two dosing heads have twice the flow rate) 2) PTC motor frequency control (100 Hz) GRUNDFOS Holding A/S Poul Due Jensens Vej 7 DK-8850 Bjerringbro Tel: +45 87 50 14 00 www.grundfos.com The name Grundfos, the Grundfos logo, and be think innovate are registered trademarks owned by Grundfos...