Back to the product list

Pressure Relief Valves

Safety for Pumps and Personnel

Gardner Denver’s Waterjetting Systems Pressure Relief Valves were designed specifically for the waterjetting industry. It is standard on all Gardner Denver pumping equipment up to 15,000 PSI for the temporary relief of excess system pressure. It will fit most other major brands of waterjetting equipment without adapters or modifications. The unit can be easily overhauled in the field or sent to our service center for repair and recalibration. Repair kit available.

Request a Quote Request Service, Parts or Support

Description

A relief valve set up to 15,000 PSI for the temporary relief of excess system pressure. Once the pressure of the pump reaches a pre-designated pressure the valve will release the pressure. This stainless body and spring-loaded mechanism is a rugged tool and stays set to the pressure set by the factory. The tool maintains its integrity in heat or cold and other harsh environments.

*Please specify set pressure when ordering.

Standard Model #5532145 (up to 15 KPSI @ 50 GPM)

Hi-Flow Model #5532155 - (up to 10 KPSI @ 150 GPM)

Performance

Once the relief valve has reached its set pressure, a ball will rise and it will release the pressure and go back down under the set pressure
Can work as a safety device
½” NPT version flows to 50GPM
1” NPT version flows to 150GPM

Part Number	Relief Pressure	Inlet thread	Discharge Thread	Flow GPM
5532145600	7,500 PSI	½”NPTM	½”NPTF	50 GPM
5532145150	18,750 PSI	½”NPTM	½”NPTF	50 GPM
5532155500	5,000 PSI	1”NPTM	1”NPTM	150 GPM
5532155	12,500 PSI	1”NPTM	1”NPTM	150 GPM

Design Advantages

Has a repair kit for quick repair and can be set at various pressure between 7,500 PSI and 18,750 PSI
Comes with ½”NPT or 1”NPT side discharge port to reroute dump water back to tank or collection pond
Resets after pressure spike has passed
Locking Allen Screw keeps the adjustment sturdy during vibrating pump

{{recommendedRegLangFull}}

Pressure Relief Valves

Safety for Pumps and Personnel

Description

Performance

Design Advantages