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High Pressure Proportional Relief Valves

RH Series proportional relief valves protect pressure sensitive equipment in systems with working pressures up to 6000 psig (413 bar) and set pressures from 50 to 6000 psig (3.4 to 413 bar). Standard RH Series proportional relief valves are shipped without springs. To order spring kits, see the Spring Kit catalog category.

  • Maximum Working Pressure: 6000 psig (413 bar)
  • Set Pressure: 50 to 6000 psig (3.4 to 413 bar) Multiple springs for a selection of set
  • more
RHQRG
Unit of Measure
1 2 

Item #

CAD

Body Material

Connection 1 - Type

Connection 1 - Size

Connection 2 - Type

Connection 2 - Size

Orifice

O-ring Material

Set Pressure Range

RH34MRT4FRT-316 N/A CAD Icon (for items table) N/A 316 SS N/A Male BSPT N/A 1/4 in N/A Female BSPT N/A 1/4 in N/A N/A FKM N/A 50 to 6000 psig3.4 to 413 bar
RH34MRT4FRT-316-BN N/A CAD Icon (for items table) N/A 316 SS N/A Male BSPT N/A 1/4 in N/A Female BSPT N/A 1/4 in N/A 0.14 in N/A Nitrile N/A 50 to 6000 psig3.4 to 413 bar
RH34MRT4FRT-316-EP N/A CAD Icon (for items table) N/A 316 SS N/A Male BSPT N/A 1/4 in N/A Female BSPT N/A 1/4 in N/A 0.14 in N/A EPDM N/A 50 to 6000 psig3.4 to 413 bar
RH34MRT4FRT-316-FFKM N/A CAD Icon (for items table) N/A 316 SS N/A Male BSPT N/A 1/4 in N/A Female BSPT N/A 1/4 in N/A 0.14 in N/A FFKM N/A 50 to 6000 psig3.4 to 413 bar
RH34PM4PF-316 N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4 in N/A FNPT N/A 1/4 in N/A N/A FKM N/A 50 to 6000 psig3.4 to 413 bar
RH34PM4PF-316-BN N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4 in N/A FNPT N/A 1/4 in N/A 0.14 in N/A Nitrile N/A 50 to 6000 psig3.4 to 413 bar
RH34PM4PF-316-EP N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4 in N/A FNPT N/A 1/4 in N/A 0.14 in N/A EPDM N/A 50 to 6000 psig3.4 to 413 bar
RH34PM4PF-316-FFKM N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4 in N/A FNPT N/A 1/4 in N/A 0.14 in N/A FFKM N/A 50 to 6000 psig3.4 to 413 bar
RH34PMD4-316 N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4 in N/A Duolok Tube Fitting N/A 1/4 in N/A N/A FKM N/A 50 to 6000 psig3.4 to 413 bar
RH34PMD4-316-BN N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4 in N/A Duolok Tube Fitting N/A 1/4 in N/A 0.14 in N/A Nitrile N/A 50 to 6000 psig3.4 to 413 bar
RH34PMD4-316-EP N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4 in N/A Duolok Tube Fitting N/A 1/4 in N/A 0.14 in N/A EPDM N/A 50 to 6000 psig3.4 to 413 bar
RH34PMD4-316-FFKM N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4 in N/A Duolok Tube Fitting N/A 1/4 in N/A 0.14 in N/A FFKM N/A 50 to 6000 psig3.4 to 413 bar
RH3D4-316 N/A CAD Icon (for items table) N/A 316 SS N/A Duolok Tube Fitting N/A 1/4 in N/A Duolok Tube Fitting N/A 1/4 in N/A N/A FKM N/A 50 to 6000 psig3.4 to 413 bar
RH3D4-316-BN N/A CAD Icon (for items table) N/A 316 SS N/A Duolok Tube Fitting N/A 1/4 in N/A Duolok Tube Fitting N/A 1/4 in N/A 0.14 in N/A Nitrile N/A 50 to 6000 psig3.4 to 413 bar
RH3D4-316-EP N/A CAD Icon (for items table) N/A 316 SS N/A Duolok Tube Fitting N/A 1/4 in N/A Duolok Tube Fitting N/A 1/4 in N/A 0.14 in N/A EPDM N/A 50 to 6000 psig3.4 to 413 bar
RH3D4-316-FFKM N/A CAD Icon (for items table) N/A 316 SS N/A Duolok Tube Fitting N/A 1/4 in N/A Duolok Tube Fitting N/A 1/4 in N/A 0.14 in N/A FFKM N/A 50 to 6000 psig3.4 to 413 bar
RH3DM6-316 N/A CAD Icon (for items table) N/A 316 SS N/A Duolok Tube Fitting N/A 6 mm N/A Duolok Tube Fitting N/A 6 mm N/A N/A FKM N/A 50 to 6000 psig3.4 to 413 bar
RH3DM6-316-BN N/A CAD Icon (for items table) N/A 316 SS N/A Duolok Tube Fitting N/A 6 mm N/A Duolok Tube Fitting N/A 6 mm N/A 0.14 in N/A Nitrile N/A 50 to 6000 psig3.4 to 413 bar
RH3DM6-316-EP N/A CAD Icon (for items table) N/A 316 SS N/A Duolok Tube Fitting N/A 6 mm N/A Duolok Tube Fitting N/A 6 mm N/A 0.14 in N/A EPDM N/A 50 to 6000 psig3.4 to 413 bar
RH3DM6-316-FFKM N/A CAD Icon (for items table) N/A 316 SS N/A Duolok Tube Fitting N/A 6 mm N/A Duolok Tube Fitting N/A 6 mm N/A 0.14 in N/A FFKM N/A 50 to 6000 psig3.4 to 413 bar
RH3DM8-316 N/A CAD Icon (for items table) N/A 316 SS N/A Duolok Tube Fitting N/A 8 mm N/A Duolok Tube Fitting N/A 8 mm N/A N/A FKM N/A 50 to 6000 psig3.4 to 413 bar
RH3DM8-316-BN N/A CAD Icon (for items table) N/A 316 SS N/A Duolok Tube Fitting N/A 8 mm N/A Duolok Tube Fitting N/A 8 mm N/A 0.14 in N/A Nitrile N/A 50 to 6000 psig3.4 to 413 bar
RH3DM8-316-EP N/A CAD Icon (for items table) N/A 316 SS N/A Duolok Tube Fitting N/A 8 mm N/A Duolok Tube Fitting N/A 8 mm N/A 0.14 in N/A EPDM N/A 50 to 6000 psig3.4 to 413 bar
RH3DM8-316-FFKM N/A CAD Icon (for items table) N/A 316 SS N/A Duolok Tube Fitting N/A 8 mm N/A Duolok Tube Fitting N/A 8 mm N/A 0.14 in N/A FFKM N/A 50 to 6000 psig3.4 to 413 bar
RH48PM8PF-316 N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/2 in N/A FNPT N/A 1/2 in N/A N/A FKM N/A 50 to 1500 psig3.4 to 103 bar
Unit of Measure
1 2