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PRC Industrial Supply offers a full range of services including:

  • In-house repairs of pumps, motors, valves and cylinders
  • Hose burst testing to 30,000 PSI
  • Custom power unit design and fabrication
  • Field-trouble shooting and hydraulic system design including incorporation of wireless radio remote controls into existing system

We also provide custom fabrication of hydraulic steel tubing, hydraulic hose and industrial hose assemblies using a wide variety of hose types and fittings configurations.

Learn more at www.prcindustrial.com

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Model RD-1800 Ball / Spring Type Direct Acting Relief

RD-1800 Ball / Spring Type
Model Number Port Size PSI Range Set At Size GPM
RD-1837S 3/4 NPTF 40 1500 1.5"x1.5"x4.6" 8
RD-1850H #12 SAE 40 1500 1.5"x1.5"x4.6" 16
RD-1850S 3/4 NPTF 40 1500 1.5"x1.5"x4.6" 16

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.

Valve Specifications

  • Capacity: 20 gpm max inlet flow
  • Pressure: 2500 psi max
  • Weight: 2 lbs

See PDF for complete specifications

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