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The Grundfos DMX pumps are mechanical diaphragm dosing pumps. The strokes are generated by an eccentric, which moves the diaphragm by means of a spring-loaded plunger. The discharge stroke is activated by the eccentric and the suction stroke by the spring return. The DMX pumps are designed for capacities between 1.3 and 2 x 166 GPH and a maximum pressure up to 232 psi. The DMX pumps are fitted with a separation chamber. In the event of a diaphragm failure, the separation chamber prevents the pumped liquid from flooding the pump unit or other system components. It is a series of high-quality mechanically actuated diaphragm pumps suitable for many uses, such as drinking water treatment, wastewater treatment, and the pulp/paper and textile industries.
Brand Grundfos Product Type Pump Drive Type Worm/Wheel Inlet/Outlet Connection Type MNPT Inlet Size 3/4 in Motor Hz Rating 50/60 Motor Voltage 120 VAC Mounting Tank or Console Outlet Size 3/4 in Material - Seal EPDM/EPR Seal Type Gasket Material - Balls 316 Stainless Steel Max Flow 1.22 gpm (255 lph) Max Temperature 104°F (40°C) Noise Level 55 dB(A) Max Pressure 3 bar Voltage 120 V, 50/60 Hz Accuracy +/-1.5% Enclosure IP 65 Max Viscosity 100 cps Motor Servomotor Speed 144 stroke/min 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 PVC Max Suction Lift 9.8 ft Model DMX 226 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 36 cm3 Valve Type Standard Displacement Positive Displacement
