Parker 4KF-RH4A-VT-SS-K1 - 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. 4KF-RH4A-VT-SS-K1
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Products specifications
Attribute nameAttribute value
Maximum Operating Pressure350Connection Size1/4
Connection 2 Size1/4Materials of ConstructionStainless Steel 316
DivisionInstrumentation Products DivisionMaximum Operating Temperature204
Actuation TypeStandardFlow Coefficient0.41
Packing MaterialFluorocarbon RubberBack-Up Washer MaterialPTFE
Minimum Operating Temperature-23Connection 1 SizeBSP F
Cracking Pressure50 to 350Connection Size1/4"
Material316 Stainless SteelConnection Size 21/4"
ActuationStandardPacking MaterialFluorocarbon Rubber
Cracking Pressure (psi)50 - 350Connection 1 StyleBSP F
Connection 2 StyleBSP F
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