Relief Valves, 6,000 PSI - R Series - 4F-RL4A-EPRT-SS-MN-KC

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-MN-KC
POR
Products specifications
Attribute nameAttribute value
Connection 2 SizeNPT FMinimum Operating Temperature-57 °C
Cracking Pressure50 to 100 psiBack-Up Washer MaterialPTFE
Maximum Operating Temperature275 °FMaterials of ConstructionStainless Steel 316
Maximum Operating Pressure100 psiActuation TypeManual Overdrive
Packing MaterialEthylene Propylene RubberDivisionInstrumentation Products Division
Connection Size1/4 inchFlow Coefficient0.75 Cv
Connection 1 SizeNPT F
Connection Size 21/4"ActuationManual Overdrive
Packing MaterialEthylene Propylene RubberCracking Pressure (psi)50 - 100
Connection 2 StyleNPT FMaterial316 Stainless Steel
Connection Size1/4"Connection 1 StyleNPT F
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