Womack has access to over $3 million in standard Prince inventory ready for same day delivery and offers industrial leading lead times for custom products as well as flexibility inside of lead time for when you really need it.

 

Model RD-1800 Relief Valve

20 GPM

Prince _Valve _Hydraulic _Relief _RD-1809

FUNCTION

The PRINCE valve model RD-1800 is a direct acting ball/spring type pressure relief. The valve is compact and simple in design. This type relief is fast opening and is well suited for pressure spike protection. The performance curves below indicate the low cracking pressure typical to ball/spring reliefs. Please refer to the model RV relief for a system pressure relief. The valve is available with a standard steel seat, model RD-1800S, or with a hardened seat, model RD-1800H. Both models are externally adjustable.

 

SPECIFICATIONS
Pressure Rating
Maximum Operating Pressure:  2,500 psi
Adjustment Range:  1,000 psi to 2,500 psi
Flow Rating:  20 GPM

Filtration:  For general purpose valves, fluid cleanliness should meet the ISO 4406 19/17/14 level

Maximum Operating Temperature:  180°F
Weight:  Approx 2 lbs.

Item Number Port Sizes Max Flow
RD-1850-H
STOCKED ITEM
1/2" NPTF 16 GPM
RD-1875-H
STOCKED ITEM
3/4" NPTF 20 GPM

 

Model RV Relief Valve

30 GPM

Prince _Valve _Hydraulic _Relief _RV FUNCTION

The PRINCE valve model RV is a differential poppet type inline relief. The valve is made up of a relief cartridge and a cast iron valve body. The differential poppet type relief provides smooth quiet performance with a minimum variation between cracking and full flow pressures. This type relief is also less sensitive to system contamination. The model RV is well suited as a system relief up to 30 GPM and 3000 psi. It is available in two pressure ranges and both an externally adjustable and shim adjustable version.

 

SPECIFICATIONS
Pressure Rating
Maximum Operating Pressure:  3,000 psi
Adjustment Range:  500 psi to 3,000 psi
Flow Rating:  30 GPM

Filtration:  For general purpose valves, fluid cleanliness should meet the ISO 4406 19/17/14 level

Maximum Operating Temperature:  180°F
Weight:  Approx 3 Ibs.

Item Number Valve Type Relief Setting Port Size
RV-1H Adjustable 1500-3000 PSI 2000 PSI @ 10 GPM #12 SAE
RV-2H Adjustable 1500-3000 PSI 2000 PSI @ 10 GPM 3/4" NPTF
RV-4H
STOCKED ITEM
Adjustable 1500-3000 PSI 2000 PSI @ 10 GPM 1/2" NPTF

 

Model DRV Relief Valve

30 GPM

Prince _Valve _Hydraulic _Relief _DRV FUNCTION

The PRINCE valve model DRV is a differential poppet type double relief.
This valve uses the same relief cartridge as the model RV. The double
relief is used in systems that require cross over relief protection such a
reversible hydraulic motor, or systems that require a cushion valve such
as double acting cylinders.

 

SPECIFICATIONS
Pressure Rating
Maximum Operating Pressure:  3,000 psi
Adjustment Range:  500 psi to 3,000 psi
Flow Rating:  30 GPM

Filtration:  For general purpose valves, fluid cleanliness should meet the ISO 4406 19/17/14 level

Maximum Operating Temperature:  180°F
Weight:  Approx 5.5 Ibs.

Prince Model Number  Port Size  Port A/B#1  Port C/D#2
DRV-2HH
STOCKED ITEM
 2 - 3/4" NPTF H - Adjustable
1500-3000 PSI
H - Adjustable
1500-3000 PSI 
DRV-4HH
STOCKED ITEM
 4 - 1/2" NPTF H - Adjustable
1500-3000 PSI
H - Adjustable
1500-3000 PSI