The 1 1/2-inch Advanced high-pressure bolted metal air-operated, double-diaphragm (AODD) pump from Wilden, part of PSG, a Dover company, features the energy-efficient Pro-Flo SHIFT air distribution system. The bolted configuration ensures total product containment. Redesigned liquid paths reduce internal friction to maximize output and efficiency. The shear-sensitive pumps are dry-run capable, completely submersible and comply with all CE and ATEX requirements. The Pro-Flo SHIFT system has an air-control spool that automatically restricts the amount of air going into the pump during the latter part of each stroke, eliminating overfilling the air chamber for reduced air consumption. Both the aluminum model HS400S and stainless steel HS430S feature a maximum discharge pressure to 250 psig. Flow rates are 60 gpm for the HS400S and 64 gpm for the HS430S. 909/422-1730; www.wildenpump.com.
Wilden high-pressure pumps with air distribution
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