Relief Valves, 6,000 PSI - R Series - 4Z-RL4A-BNT-SS-MN-KA

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: 4Z-RL4A-BNT-SS-MN-KA
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Products specifications
Attribute nameAttribute value
DivisionInstrumentation Products DivisionMaximum Operating Temperature225 °F
Back-Up Washer MaterialPTFEMaximum Operating Pressure25 psi
Connection Size1/4 inchFlow Coefficient0.75 Cv
Actuation TypeManual OverdriveConnection 1 SizeSingle Ferrule Compression
Packing MaterialNitrile RubberConnection 2 SizeSingle Ferrule Compression
Cracking Pressure10 to 25 psiMinimum Operating Temperature-34 °C
Materials of ConstructionStainless Steel 316
Connection 1 StyleSingle Ferrule Compression FittingMaterial316 Stainless Steel
Connection 2 StyleSingle Ferrule Compression FittingPacking MaterialNitrile Rubber
ActuationManual OverdriveCracking Pressure (psi)10 - 25
Connection Size1/4"Connection Size 21/4"
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