Corken® "Z" Series Pump / Motor Units for NH3 & LPG

The Z3500 Pump offers higher flow rates (177 GPM at 780 RPM & 50 PSI differential pressure) than the Corken 1021 series. Design features include reversible sideplates, improved cam design to reduce cavitation and improve efficiency, patented needle roller thrust bearings to minimize side plate wear.

Maintenance is also simple: simply remove twelve head bolts to inspect the bearings, seals, sideplates, rotor, vanes & vane drivers. Rated to 800 RPM. Retrofits easily to replace the Corken 1021 and other 3" vane pumps with little or no change in piping.

Ductile iron body, gray iron cam & sideplates; steel shaft, bearings & relief valve; Buna-N O-rings. Z4500 provides even higher flow rates (382 GPM @ 780 RPM).
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