Parker 4KM-RL4A-NET-SS-KD - Relief Valves, 6,000 PSI - R Series

Parker's R Series Relief Valves are designed such that when the upstream pressure exceeds the closing force exerted by the spring, the lower stem opens, permitting flow through the valve. Pressures range from 10 PSI (0.7 BAR) to 6,000 PSI (413.7 BAR).
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Brand Parker
Part No. 4KM-RL4A-NET-SS-KD
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Products specifications
Attribute nameAttribute value
Connection Size1/4Maximum Operating Pressure150
Connection 2 Size1/4Maximum Operating Temperature121
Materials of ConstructionStainless Steel 316DivisionInstrumentation Products Division
Minimum Operating Temperature-43Actuation TypeStandard
Packing MaterialNeoprene RubberBack-Up Washer MaterialPTFE
Flow Coefficient0.75Cracking Pressure100 to 150
Connection 1 SizeBSP MConnection Size1/4"
Material316 Stainless SteelConnection Size 21/4"
ActuationStandardPacking MaterialNeoprene Rubber
Cracking Pressure (psi)100 - 150Connection 1 StyleBSP M
Connection 2 StyleBSP M
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