COMPANY HEADER
  • RL-web

Low Pressure Proportional Relief Valves

RL Series proportional relief valves protect pressure sensitive equipment in systems with working pressures up to 300 psig (20.6 bar) and set pressures from 10 to 225 psig (0.7 to 15.5 bar).

Set Pressures:

  • Temperature Range: -40 to 300°F (-40 to 300°C)
  • MAWP:  300 psig (20.6 bar)
  • Set Pressure Range: 10 to 225 psig (0.7 to 15.5 bar) One spring for the full set pressure range. RL Series valves are shipped with springs installed.

End Connections:

  • RL3: 1/4 in., 6 mm and 8 mm tube ends, 1/4 in. NPT and BSPT pipe ends
  • RL4: 1/2 in. and 12 mm tube ends 1/2 in. NPT and BSPT pipe ends

 Options

  • Factory set valves
  • Manual override handle
  • Seal Materials
    • Fluorocarbon FKM (Standard)
    • Nitrile
    • Ethylene Propylene
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Part #

CAD

Body Material

Connection 1 - Type

Connection 1 - Size

Connection 2 - Type

Connection 2 - Size

Seal Material

Set Pressure Range

Production Category

Product Descriptions

End Connection Type

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N/A CAD Icon (for items table) N/A 316 SS N/A Male BSPT N/A 1/4-19 N/A Female BSPT N/A 1/4-19 N/A FKM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Male to Female ISO Tapered Proportional Relief Valve N/A Male British Standard Pipe Tapered by Female British Standard Pipe Tapered Add To Cart
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N/A CAD Icon (for items table) N/A 316 SS N/A Male BSPT N/A 1/4-19 N/A Female BSPT N/A 1/4-19 N/A Nitrile Buna Rubber N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Male to Female ISO Tapered Proportional Relief Valve N/A Male British Standard Pipe Tapered by Female British Standard Pipe Tapered Add To Cart
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N/A CAD Icon (for items table) N/A 316 SS N/A Male BSPT N/A 1/4-19 N/A Female BSPT N/A 1/4-19 N/A EPDM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Male to Female ISO Tapered Proportional Relief Valve N/A Male British Standard Pipe Tapered by Female British Standard Pipe Tapered Add To Cart
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N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4-18 N/A FNPT N/A 1/4-18 N/A FKM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Male to Female NPT Proportional Relief Valve N/A Male National Pipe Thread by Female National Pipe Thread Add To Cart
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N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4-18 N/A FNPT N/A 1/4-18 N/A Nitrile Buna Rubber N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Male to Female NPT Proportional Relief Valve N/A Male National Pipe Thread by Female National Pipe Thread Add To Cart
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N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4-18 N/A FNPT N/A 1/4-18 N/A EPDM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Male to Female NPT Proportional Relief Valve N/A Male National Pipe Thread by Female National Pipe Thread Add To Cart
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N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4-18 N/A Duolok Tube Fitting N/A 1/4 in N/A FKM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Male NPT to Duolok Tube Fitting Proportional Relief Valve N/A Male National Pipe Thread by Duolok Tube End Add To Cart
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N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4-18 N/A Duolok Tube Fitting N/A 1/4 in N/A Nitrile Buna Rubber N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Male NPT to Duolok Tube Fitting Proportional Relief Valve N/A Male National Pipe Thread by Duolok Tube End Add To Cart
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N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4-18 N/A Duolok Tube Fitting N/A 1/4 in N/A EPDM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Male NPT to Duolok Tube Fitting Proportional Relief Valve N/A Male National Pipe Thread by Duolok Tube End Add To Cart
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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 FKM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Duolok Tube End Proportional Relief Valve N/A Duolok Tube End Add To Cart
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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 Nitrile Buna Rubber N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Duolok Tube End Proportional Relief Valve N/A Duolok Tube End Add To Cart
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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 EPDM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Duolok Tube End Proportional Relief Valve N/A Duolok Tube End Add To Cart
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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 FKM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Duolok Tube End Proportional Relief Valve N/A Duolok Tube End Add To Cart
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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 Nitrile Buna Rubber N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Duolok Tube End Proportional Relief Valve N/A Duolok Tube End Add To Cart
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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 EPDM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Duolok Tube End Proportional Relief Valve N/A Duolok Tube End Add To Cart
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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 FKM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Duolok Tube End Proportional Relief Valve N/A Duolok Tube End Add To Cart
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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 Nitrile Buna Rubber N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Duolok Tube End Proportional Relief Valve N/A Duolok Tube End Add To Cart
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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 EPDM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Duolok Tube End Proportional Relief Valve N/A Duolok Tube End Add To Cart
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N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A FKM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Male to Female NPT Proportional Relief Valve N/A Male National Pipe Thread by Female National Pipe Thread Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Nitrile Buna Rubber N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Male to Female NPT Proportional Relief Valve N/A Male National Pipe Thread by Female National Pipe Thread Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A EPDM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Male to Female NPT Proportional Relief Valve N/A Male National Pipe Thread by Female National Pipe Thread Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/2-14 N/A Duolok Tube Fitting N/A 1/2 in N/A FKM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Male NPT to Duolok Tube Fitting Proportional Relief Valve N/A Male National Pipe Thread by Duolok Tube End Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/2-14 N/A Duolok Tube Fitting N/A 1/2 in N/A Nitrile Buna Rubber N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Male NPT to Duolok Tube Fitting Proportional Relief Valve N/A Male National Pipe Thread by Duolok Tube End Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/2-14 N/A Duolok Tube Fitting N/A 1/2 in N/A EPDM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Male NPT to Duolok Tube Fitting Proportional Relief Valve N/A Male National Pipe Thread by Duolok Tube End Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A 316 SS N/A Duolok Tube Fitting N/A 1/2 in N/A Duolok Tube Fitting N/A 1/2 in N/A FKM N/A 10 to 225 psig0.7 to15.5 bar N/A 1 N/A Duolok Tube End Proportional Relief Valve N/A Duolok Tube End Add To Cart
Request Quote
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