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Picture of Parker 4F-RL4A-NET-SS-KB - Relief Valves, 6,000 PSI - R Series

*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Parker 4F-RL4A-NET-SS-KB - Relief Valves, 6,000 PSI - R Series

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).
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Brand Parker
Part No. 4F-RL4A-NET-SS-KB
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Products specifications
Attribute nameAttribute value
Connection Size1/4Connection 2 Size1/4
Maximum Operating Temperature121Materials of ConstructionStainless Steel 316
DivisionInstrumentation Products DivisionConnection 1 SizeNPT F
Minimum Operating Temperature-43Actuation TypeStandard
Packing MaterialNeoprene RubberBack-Up Washer MaterialPTFE
Flow Coefficient0.75Cracking Pressure25 to 50
Maximum Operating Pressure53Connection Size1/4"
Material316 Stainless SteelConnection 1 StyleNPT F
Connection 2 StyleNPT FConnection Size 21/4"
ActuationStandardPacking MaterialNeoprene Rubber
Cracking Pressure (psi)25 - 50
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