Relief Valves, 6,000 PSI - R Series - 4A-RL4A-BNT-SS-MN-KE

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: 4A-RL4A-BNT-SS-MN-KE
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Products specifications
Attribute nameAttribute value
Back-Up Washer MaterialPTFEConnection 2 Size1/4 inch
Actuation TypeManual OverdriveCracking Pressure150 to 225 psi
Flow Coefficient0.75 CvConnection 1 SizeTwo Ferrule Compression
DivisionInstrumentation Products DivisionMaximum Operating Temperature225 °F
Connection Size1/4 inchMinimum Operating Temperature-34 °C
Materials of ConstructionStainless Steel 316Maximum Operating Pressure225 psi
Packing MaterialNitrile Rubber
Connection 2 StyleTwo Ferrule Compression FittingMaterial316 Stainless Steel
ActuationManual OverdrivePacking MaterialNitrile Rubber
Connection Size1/4"Connection 1 StyleTwo Ferrule Compression Fitting
Cracking Pressure (psi)150 - 225Connection Size 21/4"
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