Relief Valves, 6,000 PSI - R Series - 4Z-RH4A-EPRT-SS-K1

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-RH4A-EPRT-SS-K1
POR
Products specifications
Attribute nameAttribute value
Connection Size1/4 inchMaximum Operating Pressure350 psi
Minimum Operating Temperature-57 °CBack-Up Washer MaterialPTFE
Flow Coefficient0.41 CvMaximum Operating Temperature275 °F
Materials of ConstructionStainless Steel 316Actuation TypeStandard
Connection 2 Size1/4 inchConnection 1 SizeSingle Ferrule Compression
Cracking Pressure50 to 350 psiDivisionInstrumentation Products Division
Packing MaterialEthylene Propylene Rubber
Connection 2 StyleSingle Ferrule Compression FittingConnection Size1/4"
Cracking Pressure (psi)50 - 350Connection Size 21/4"
Packing MaterialEthylene Propylene RubberActuationStandard
Connection 1 StyleSingle Ferrule Compression FittingMaterial316 Stainless Steel
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