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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 Product Type Pump Material - Diaphragm PTFE Inlet/Outlet Connection Type NPT Inlet Size 3/4 in Motor Hz Rating 50/60 Motor Voltage 120 VAC Mounting Flat Surface Mount With Four Screws Outlet Size 3/4 in Material - Seal FKM Seal Type Gasket Material - Balls 316 Stainless Steel Max Flow 5.5 gph (21 lph) Max Temperature 212°F (100°C) Noise Level 65 dB(A) Max Pressure 72.5 psi (5.0 bar) Voltage 120 V, 50/60Hz Accuracy +/-1.5% Enclosure IP 65 Max Viscosity 300 cps Speed 29 stroke/min (at 50 Hz), 35 stroke/min (at 60 Hz) Signal Output <350 Ohm at 0(4) to 20mA, 50VDC/75VAC (Pre-Empty Signal, Error Signal), 0.5A (Pre-Empty Signal, Error Signal), 200 ms (Stroke Signal) Control Variant External Control (AR Control Unit) Fluid Type Water Material - Dosing Head 316 Stainless Steel Max Suction Lift 3.3 ft Model DMH 253 Operation Modes Manual Speed Control, Pulse control (in ml/pulse), Analog Control (0/4 - 20 mA), Pulse-Based Batch Control Plug Type USA, Canada Signal Input 12V 5mA (Contact Signal, Remote On/Off, Tank-Empty Signal), 22 ohm at 0 - 20mA Stroke Volume 11.3 cm3 Valve Type Standard Displacement Positive Displacement
