Relief Valves, 6,000 PSI - R Series - 4F-RL4A-EPRT-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: 4F-RL4A-EPRT-SS-KD
POR
Products specifications
Attribute nameAttribute value
Connection Size1/4 inchFlow Coefficient0.75 Cv
Connection 1 SizeNPT FMinimum Operating Temperature-57 °C
Maximum Operating Temperature275 °FMaterials of ConstructionStainless Steel 316
Actuation TypeStandardCracking Pressure100 to 150 psi
Maximum Operating Pressure150 psiConnection 2 SizeNPT F
DivisionInstrumentation Products DivisionBack-Up Washer MaterialPTFE
Packing MaterialEthylene Propylene Rubber
Connection 1 StyleNPT FConnection Size1/4"
Cracking Pressure (psi)100 - 150Packing MaterialEthylene Propylene Rubber
Connection Size 21/4"ActuationStandard
Connection 2 StyleNPT FMaterial316 Stainless Steel
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