Parker 4A-RL4A-NET-SS-MN-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. 4A-RL4A-NET-SS-MN-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 SizeTwo Ferrule Compression
Minimum Operating Temperature-43Packing MaterialNeoprene Rubber
Back-Up Washer MaterialPTFEActuation TypeManual Overdrive
Flow Coefficient0.75Cracking Pressure25 to 50
Maximum Operating Pressure53Connection Size1/4"
Material316 Stainless SteelConnection 1 StyleTwo Ferrule Compression Fitting
Connection 2 StyleTwo Ferrule Compression FittingConnection Size 21/4"
Packing MaterialNeoprene RubberCracking Pressure (psi)25 - 50
ActuationManual Overdrive
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