Water Conditioning & Purification Magazine

Metering pump


Blue-White Industries’ Proseries-M® MD-3 Hybrid Diaphragm Chemical Metering Pump is now equipped with sonic-welded manifolds for added durability and protection from chemical leaks. The MD-3 provides precision chemical metering for treatment of municipal water and wastewater and is NSF 61, CE, ETL and NEMA-4X certified. This unit has 2,000:1 turndown; provides smooth chemical dosing with no pulsation dampener and, with 380 strokes per minute, provides steady flow, output rates to 58 gph (220 L/hr) and pressures to 145 psi. Units are sold complete with all necessary components for drop-in-place installation. MD-3 is equipped with conveniently built-in controls and PVDF wetted end fittings that allow for over 14 inlet and outlet configurations.

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