99950276

Injection / Dosing, Metering, Hydraulic, Diaphragm

Grundfos DMH Hydraulic Metering Pump Features & Benefits

Robust design - Repeatable accuracy: +/- 1%, Turndown: 1:10 with stroke length adjustments, not including frequency control.

Performance range: 0.07 to 2 x 278 GPH (up to 1052 l/hr)
Max pressure: 145 to 2900 PSI (see technical data)

Manual or 4-20mA stroke length control, Duplex option for doubled capacity, Standard diaphragm protection system on all pumps, Integrated frequency controller on select sizes (4-20mA input/output, pluse, remote start/stop - DMH AR), Double diaphragm leak detection, Internal relief valve, Optional explosion proof motors & API 675 option (contact Grundfos for details)

Material options: Liquid end, PVC, PVDF, Polypropylene, 316SS, Hastelloy C
Gaskets: FKM, EPDM, PTFE

Control variants:
DMH-B - Basic manual control (Or remote control with a variable frequency drive)
DMH-AR - Automatic frequency control + alarm relay
DMH-AT5 - Electric actuator with servomotor - Automatic (4-20mA) stroke length control

Processes: Boiler feed water, cooling and process water treatment, raw water purification, chemicals for ion-exchangers, supplementary water treatment, effluent water neutralization, dosing of ammonia, hydrazine, phosphates in high-pressure areas (boiler feed water), lubricant dosing, corrosion inhibition, antiscalants
additives & catalysts, odor control, dosing of flammable liquids

Applications: Power generation, Oil & Gas, Refineries, Pulp and paper industry, Textile industry, Food and beverage industry, Industrial process water and waste water treatment, Drinking water treatment