Relief Valves, 6,000 PSI - R Series - 4F-RL4A-EPRT-SS-MN-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: 4F-RL4A-EPRT-SS-MN-KB
POR
Products specifications
Attribute nameAttribute value
Flow Coefficient0.75 CvMaximum Operating Pressure51 psi
Connection 2 Size1/4 inchCracking Pressure25 to 50 psi
Actuation TypeManual OverdriveDivisionInstrumentation Products Division
Connection 1 SizeNPT FConnection Size1/4 inch
Materials of ConstructionStainless Steel 316Minimum Operating Temperature-57 °C
Packing MaterialEthylene Propylene RubberBack-Up Washer MaterialPTFE
Maximum Operating Temperature135 °C
Connection 2 StyleNPT FConnection Size1/4"
ActuationManual OverdriveConnection 1 StyleNPT F
Cracking Pressure (psi)25 - 50Connection Size 21/4"
Material316 Stainless SteelPacking MaterialEthylene Propylene Rubber
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