Parker 4KM-RL4A-NET-SS-KC - 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-KC
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Products specifications
Attribute nameAttribute value
Maximum Operating Temperature250 °FMaximum Operating Pressure100 psi
Connection 2 Size1/4 inchConnection Size1/4 inch
Materials of ConstructionStainless Steel 316DivisionInstrumentation Products Division
Minimum Operating Temperature-43 °CActuation TypeStandard
Flow Coefficient0.75 CvPacking MaterialNeoprene Rubber
Cracking Pressure50 to 100 psiBack-Up Washer MaterialPTFE
Connection 1 SizeBSP MConnection Size1/4"
Material316 Stainless SteelConnection Size 21/4"
ActuationStandardPacking MaterialNeoprene Rubber
Cracking Pressure (psi)50 - 100Connection 1 StyleBSP M
Connection 2 StyleBSP M
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