Design Engineering

Open circuit piston pump


General DPN

Denison has developed the Electronic Proportional Compensator (EPC) for its line of PV Series hydraulic piston open circuit pumps. The EPC control is field retrofittable to existing pumps with standard C, F and L compensators.

The EPC reduces or eliminates the need for external valving; it is a simple, bolt-on product requiring no external plumbing. The line includes pumps with flows of 6, 10, 15, 20 and 29 gpm at 1800 rpm. Four pumps in the PV family are rated at 3500 psi continuous, 4500 intermittent; the largest, the PV29, is rated at 3000 psi continuous, 4000 intermittent. With an internal bearing replacement, units can operate on water glycol fluid.

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