Product specifications
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Product title
Diaphragm pump – DMH
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Brand
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Description
The Grundfos DMH hydraulic diaphragm pump is an extremely strong, robust pump for high pressure applications.
The range is highly versatile because it covers a wide flow range. The DMH diaphragm pump also ensures smooth and low-pulsation dosing. The absence of pressure peaks results in less stress to components and longer service intervals for the entire system.
All liquid-wetted parts need to be resistant to the chemicals used. A variety of dosing head and valve materials allow the selection of the exact degree of chemical resistance required.
The serially integrated pressure relief valve and active diaphragm protection system (AMS) keep the pump and entire system protected against overpressure, if the discharge line is blocked. In addition, the degassing valve at the pump guarantees the high functional safety of the pump. DMH pumps have a very long operating life and long service intervals due to the aluminium enclosure and the piston diaphragm technology.
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Features
- Control by manual stroke length adjustment
- Turn-down ratio 20:1
- Built-in pressure relief valve
- Automate by optional stroke servo or VFD
- 200-240/380-420 V 50/60 Hz
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Applications
- Power plants
- Petrochemical/oil and gas industry, refinery
- Treatment of process water and drinking water
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Service description
Major – 12 months subject to operating conditions
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Description Part no. DMH 251 with PVC dosing head, PTFE gaskets, PTFE ball valves DMH 5-10 max. flow: 5l/h, max. pressure: 10 bar H96886568 DMH 13-10 max. flow: 13l/h, max. pressure: 10 bar H96686312 DMH 19-10 max. flow: 19l/h, max. pressure: 10 bar H96686375 DMH 24-10 max. flow: 24l/h, max. pressure: 10 bar H96686487 DMH 251 with PVC dosing head, PTFE gaskets, PTFE ball valves DMH 4.9-16 max. flow: 4.9l/h, max. pressure: 16 bar H96694065 DMH 12-16 max. flow: 12l/h, max. pressure: 16 bar H96694066 DMH 18-16 max. flow: 18l/h, max. pressure: 16 bar H96694067 DMH 23-16 max. flow: 23l/h, max. pressure: 16 bar H96694068 DMH 252 with PVC dosing head, PTFE gaskets, PTFE ball valves DMH 24-10 max. flow: 24l/h, max. pressure: 10 bar H96694070 DMH 37-10 max. flow: 37l/h, max. pressure: 10 bar H96694071 DMH 46-10 max. flow: 46l/h, max. pressure: 10 bar H96686739 DMH 252 with PVC dosing head, PTFE gaskets, PTFE ball valves DMH 23-16 max. flow: 23l/h, max. pressure: 16 bar H96694073 DMH 36-16 max. flow: 36l/h, max. pressure: 16 bar H96686671 DMH 45-16 max. flow: 45l/h, max. pressure: 16 bar H96694074 DMH 54-16 max. flow: 54l/h, max. pressure: 16 bar H96694075 DMH 253 with PVC dosing head, FKM gaskets, glass ball valve DMH 43-10 max. flow: 43l/h, max. pressure: 10 bar H96686821 DMH 67-10 max. flow: 67l/h, max. pressure: 10 bar H96686861 DMH 83-10 max. flow: 83l/h, max. pressure: 10 bar H96686896 DMH 100-10 max. flow: 100l/h, max. pressure: 10 bar H96723492 DMH 254 with PVC dosing head, FKM gaskets, glass ball valve DMH 102-10 max. flow: 102l/h, max. pressure: 10 bar H96686924 DMH 143-10 max. flow: 143l/h, max. pressure: 10 bar H96686958 DMH 175-10 max. flow: 175l/h, max. pressure: 10 bar H96686991 DMH 213-10 max. flow: 213l/h, max. pressure: 10 bar H96687022 DMH 291-10 max. flow: 291l/h, max. pressure: 10 bar H96693506 DMH 255 with PVC dosing head, FKM gaskets, glass ball valve DMH 194-10 max. flow: 194l/h, max. pressure: 10 bar H96687102 DMH 270-10 max. flow: 270l/h, max. pressure: 10 bar H96687118 DMH 332-10 max. flow: 332l/h, max. pressure: 10 bar H96687150 DMH 403-10 max. flow: 403l/h, max. pressure: 10 bar H96687172 DMH 550-10 max. flow: 550l/h, max. pressure: 10 bar H96638698 DMH 257 with PVC dosing head, FKM gaskets, glass ball valves DMH 440-10 max. flow: 440l/h, max. pressure: 10 bar H95738183 DMH 575-10 max. flow: 575l/h, max. pressure: 10 bar H95738184 DMH 770-10 max. flow: 770l/h, max. pressure: 10 bar H95738185 DMH 880-10 max. flow: 880l/h, max. pressure: 10 bar H95738186 DMH 1150-10 max. flow: 1150l/h, max. pressure: 10 bar H95738187 DMH 1500-10 max. flow: 1500l/h, max. pressure: 10 bar H95738188