Relief Valves, 6,000 PSI - R Series - 4KF-RL4A-EPRT-SS-KB

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-EPRT-SS-KB
POR
Products specifications
Attribute nameAttribute value
Minimum Operating Temperature-57 °CMaximum Operating Temperature135 °C
Back-Up Washer MaterialPTFEConnection 2 SizeBSP F
Connection 1 SizeBSP FMaterials of ConstructionStainless Steel 316
Actuation TypeStandardMaximum Operating Pressure51 psi
Cracking Pressure25 to 50 psiPacking MaterialEthylene Propylene Rubber
DivisionInstrumentation Products DivisionFlow Coefficient0.75 Cv
Connection Size1/4 inch
Connection Size 21/4"Packing MaterialEthylene Propylene Rubber
Cracking Pressure (psi)25 - 50ActuationStandard
Connection 2 StyleBSP FMaterial316 Stainless Steel
Connection 1 StyleBSP FConnection Size1/4"
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