Relief Valves, 6,000 PSI - R Series - 4Z-RH4A-BNT-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-BNT-SS-K1
POR
Products specifications
Attribute nameAttribute value
Connection Size1/4 inchDivisionInstrumentation Products Division
Maximum Operating Pressure350 psiMinimum Operating Temperature-30 °F
Materials of ConstructionStainless Steel 316Maximum Operating Temperature225 °F
Connection 1 SizeSingle Ferrule CompressionActuation TypeStandard
Flow Coefficient0.41 CvPacking MaterialNitrile Rubber
Cracking Pressure50 to 350 psiBack-Up Washer MaterialPTFE
Connection 2 SizeSingle Ferrule Compression
Connection 1 StyleSingle Ferrule Compression FittingConnection 2 StyleSingle Ferrule Compression Fitting
Material316 Stainless SteelConnection Size1/4"
Connection Size 21/4"Cracking Pressure (psi)50 - 350
ActuationStandardPacking MaterialNitrile Rubber
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