Relief Valves, 6,000 PSI - R Series - 4Z-RL4A-EPRT-SS-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-EPRT-SS-KA
POR
Products specifications
Attribute nameAttribute value
Back-Up Washer MaterialPTFEPacking MaterialEthylene Propylene Rubber
Maximum Operating Temperature275 °FCracking Pressure10 to 25 psi
Materials of ConstructionStainless Steel 316Actuation TypeStandard
Connection 1 SizeSingle Ferrule CompressionDivisionInstrumentation Products Division
Connection Size1/4 inchFlow Coefficient0.75 Cv
Maximum Operating Pressure25 psiConnection 2 SizeSingle Ferrule Compression
Minimum Operating Temperature-57 °C
Packing MaterialEthylene Propylene RubberActuationStandard
Material316 Stainless SteelConnection 1 StyleSingle Ferrule Compression Fitting
Connection Size1/4"Cracking Pressure (psi)10 - 25
Connection 2 StyleSingle Ferrule Compression FittingConnection Size 21/4"
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