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Weight (lbs) | 93.1 |
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The Grundfos DMH pumps are hydraulic diaphragm dosing pumps. The DMH pumps are designed for capacities between 0.50 and 2 x 278 GPH and a maximum pressure up to 2900 PSI. The Grundfos DMH range is a series of hydraulic pumps for applications demanding a high-quality pump. With its high accuracy and modern interface possibilities, the DMH is ideal for many applications in water treatment and industrial processing.
Brand | Grundfos |
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Product Type | Pump |
Material - Diaphragm | PTFE |
Inlet/Outlet Connection Type | Flange |
Inlet Size | 1-1/4 in |
Mounting | Flat Surface Mount With Four Screws |
Outlet Size | 1-1/4 in |
Material - Seal | EPDM/EPR |
Seal Type | Gasket |
Material - Balls | 316 Stainless Steel |
Max Flow | 1.94 gpm (440 lph) |
Max Temperature | 68°F (20°C) |
Noise Level | 75 dB(A) |
Max Pressure | 11.6 psi (0.8 bar) |
Accuracy | +/-1.5% |
Max Viscosity | 200 cps |
Speed | 56 stroke/min (at 50 Hz), 67 stroke/min (at 60 Hz) |
Control Variant | Standard |
Fluid Type | Water |
Material - Dosing Head | PVC |
Max Suction Lift | 3.3 ft |
Model | DMH 257 |
Operation Modes | Manual Speed Control |
Stroke Volume | 131 cm3 |
Valve Type | Standard |
Displacement | Positive Displacement |