Parker 4KM-RH4A-BNT-SS-K6 - 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-RH4A-BNT-SS-K6
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Products specifications
Attribute nameAttribute value
Maximum Operating Temperature107Maximum Operating Pressure4000
Connection Size1/4Connection 2 Size1/4
Materials of ConstructionStainless Steel 316DivisionInstrumentation Products Division
Minimum Operating Temperature-34Actuation TypeStandard
Flow Coefficient0.41Packing MaterialNitrile Rubber
Back-Up Washer MaterialPTFECracking Pressure3000 to 4000
Connection 1 SizeBSP MConnection Size1/4"
Material316 Stainless SteelConnection Size 21/4"
ActuationStandardPacking MaterialNitrile Rubber
Cracking Pressure (psi)3000 - 4000Connection 1 StyleBSP M
Connection 2 StyleBSP M
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