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

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-KB
POR
Products specifications
Attribute nameAttribute value
Flow Coefficient0.75 CvCracking Pressure25 to 50 psi
Connection 1 SizeSingle Ferrule CompressionDivisionInstrumentation Products Division
Maximum Operating Temperature107 °CConnection Size1/4 inch
Materials of ConstructionStainless Steel 316Minimum Operating Temperature-34 °C
Connection 2 SizeSingle Ferrule CompressionPacking MaterialNitrile Rubber
Actuation TypeStandardMaximum Operating Pressure52 psi
Back-Up Washer MaterialPTFE
ActuationStandardConnection 1 StyleSingle Ferrule Compression Fitting
Packing MaterialNitrile RubberConnection Size1/4"
Connection 2 StyleSingle Ferrule Compression FittingCracking Pressure (psi)25 - 50
Connection Size 21/4"Material316 Stainless Steel
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