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Energy-efficient pump

59 Wilden 400The new PS20 102-mm (4-in.) Original Metal AODD Pump equipped with the energy-efficient Pro-Flo SHIFT Air Distribution System has a clamped configuration for ease of maintenance, diaphragm replacement and cleaning. The Pro-Flo SHIFT’s air control spool automatically restricts the amount of air going into the pump during the latter part of each stroke, which eliminates chamber over-filling and lowers power consumption.

The PS20 has a cast iron wetted path and is available with center block materials in aluminum, polypropylene or stainless steel. Meeting CE and ATEX requirements, the pump features maximum discharge pressures to 8.6 bar (125 psig), maximum flow rates to 1,048 lpm (277 gpm), and maximum suction lifts to 4.4 m (14.4 ft.) dry and 8.6 m (28.4 ft.) wet. Diaphragms are available in Buna-N, EPDM, Geolast, Neoprene, Polyurethane, PTFE, Viton and Wil-Flex. — www.wildenpump.com