• 99950256 Grundfos Pumps DMH Series Metering Pump DMH 257

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Grundfos

99950256

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Grundfos Pumps 99950256 DMH Series Hydraulically Driven Diaphragm Dosing Pump without Motor, DMH 770-10 B-SS/V/SS-X-F1PPXAG. 316L Stainless Steel Head, FKM Gasket, 316L Stainless Steel Valve Balls, Standard Valves. No Control Panel, Basic Functions.

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    Retail Price: $16,921.00
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Item: 99950256 | Model #: 96725149

99950256

Grundfos Pumps 99950256 DMH Series Hydraulically Driven Diaphragm Dosing Pump without Motor, DMH 770-10 B-SS/V/SS-X-F1PPXAG. 316L Stainless Steel Head, FKM Gasket, 316L Stainless Steel Valve Balls, Standard Valves. No Control Panel, Basic Functions.

Casing MaterialAluminum Housing
Connections / Discharge (Inches)1-1/4" ANSI flange
Discharge NPT (Inches)1-1/4" ANSI flange
Flow ControlBasic
Gasket MaterialFKM
Head / Fittings316L Stainless Steel
Maximum Flow (GPH)244 GPM
Maximum Pressure (PSI)145 psi
Maximum Strokes Per Minute110
Model Number96725149
Model SeriesDMH 257
OptionsNo Control Panel
Plug MaterialNo Plug
Product Noteswithout Motor
Quick SpecsDMH 770-10 B-SS/V/SS-X-F1PPXAG
Suction NPT (Inches)1-1/4" ANSI flange
TypeGrundfos
UPC5715114604918
Valve Balls316L Stainless Steel
Valve / Seat / O-RingStandard Valves

DMH Series Information

Product Type
Injection / Dosing, Metering, Hydraulic, Diaphragm
Features & Benefits
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)
General Description
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

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