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HPR251 High-Relief Pilot Operated Regulator
Brand: Master PneumaticDesigned for systems that require high flow, high relief, and pressure regulation.
This unit can be installed in an inaccessible location with a control regulator in an accessible location.
Features- Diaphragm design. Excellent pressure regulation and stability.
- High relief characteristics up to 200 SCFM.
- Balanced valve minimizes effect of pressure changes on inlet pressure.
- Inline mounting.
- 3/4-14 NPTF exhaust port.
- Self-relieving.
- NPTF port threads; ISO G type (parallel) optional.
- Integral pilot regulator porting.
- 1/4-18 NPTF auxiliary inlet pressure port.
Specifications
Brand
Inlet Pressure
- 10 to 450 psig (0.7 to 31 bar)
Outlet Pressure
- 0 to 250 psi (0 to 17.2 bar)
Operating Temperature
- 0° to 175° F (-18° to 79° C)
Flow Rating
- Exceed 2,000 scfm
Enclosure / Body Material
- Body: Cast Aluminum
Material of Construction
- Dome: Cast Aluminum
- Cap: Teflon Coated Aluminum
- Valve: Nitrile Bonded Aluminum
- Elastomers: Nitrile
Port
- 2" NPTF or 1-1/2" NPTF
Gauge Port
- 1/4" NPTF
Exhaust Port
- 3/4" NPTF