Parker 4A-RL4A-BNT-SS-MN-KC - 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-BNT-SS-MN-KC
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Products specifications
Attribute nameAttribute value
Maximum Operating Temperature107 °CMaximum Operating Pressure100 psi
Minimum Operating Temperature-30 °FConnection Size1/4 inch
Materials of ConstructionStainless Steel 316DivisionInstrumentation Products Division
Connection 1 SizeTwo Ferrule CompressionConnection 2 SizeTwo Ferrule Compression
Flow Coefficient0.75 CvPacking MaterialNitrile Rubber
Cracking Pressure50 to 100 psiBack-Up Washer MaterialPTFE
Actuation TypeManual OverdriveConnection Size1/4"
Material316 Stainless SteelConnection 1 StyleTwo Ferrule Compression Fitting
Connection 2 StyleTwo Ferrule Compression FittingConnection Size 21/4"
Packing MaterialNitrile RubberCracking Pressure (psi)50 - 100
ActuationManual Overdrive
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