4M4Z-RL4A-VT-SS-KC Parker RL4A-Series Adjustable Relief Valve

4M4Z-RL4A-VT-SS-KC
$269.44 / Each
  • Interchanges With: SS-RL3M4-S4
  • End 1 Type: MNPT
  • End 2 Size: 1/4 in.
  • End 2 Type: FNPT
  • Seal Material: Fluorocarbon
  • Temperature Rating: -10°F to 400°F (-23°C to 204°C)
Parker RL4A-Series Adjustable Relief Valve, 316 SS body, 1/4" MNPT (inlet) x 1/4" single ferrule tube fitting (outlet), 50-100 psig crack pressure, fluorocarbon rubber seal
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Product Description

The Parker RL4A Series relief valve offers a range of pressure settings up to 400 psig in seven different spring ranges. The settings are externally adjustable while the valve is in operation. A manual override option permits users to relieve media independent of system pressure, while maintaining predetermined cracking pressure.

  • Pressure settings are externally adjustable
  • 316 stainless steel construction standard
  • Back pressure has minimum affect on cracking pressure
  • Lock wire feature secures a given pressure setting
  • Color coded springs and labels for cracking range

Dimension Drawing

Interchange Disclaimer

Parker guarantees that all A-LOK® fittings (including A-LOK® ended valves) are of equal quality to and will perform as well as the Swagelok fitting. Parker guarantees that the A-LOK® fittings are completely interchangeable with all sizes of the Swagelok fittings and individual components of the A-LOK® fittings can be intermixed with the components of the Swagelok fitting including the new and old rear ferrule. In fact, since 1984, thousands of customers have successfully used the A-LOK® fittings in conjunction with the Swagelok fitting.