Relief Valves, 6,000 PSI - R Series - 4KF-RL4A-BNT-SS-KD

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).
Availability: Backordered
SKU: 4KF-RL4A-BNT-SS-KD
POR
Products specifications
Attribute nameAttribute value
Minimum Operating Temperature-34 °CConnection 1 SizeBSP F
Materials of ConstructionStainless Steel 316Actuation TypeStandard
Cracking Pressure100 to 150 psiPacking MaterialNitrile Rubber
Maximum Operating Pressure150 psiDivisionInstrumentation Products Division
Back-Up Washer MaterialPTFEConnection 2 SizeBSP F
Connection Size1/4 inchFlow Coefficient0.75 Cv
Maximum Operating Temperature107 °C
Connection Size 21/4"Material316 Stainless Steel
Connection 2 StyleBSP FActuationStandard
Packing MaterialNitrile RubberConnection Size1/4"
Connection 1 StyleBSP FCracking Pressure (psi)100 - 150
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