Relief Valves, 6,000 PSI - R Series - 4Z-RL4A-EPRT-SS-MN-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-EPRT-SS-MN-KB
POR
Products specifications
Attribute nameAttribute value
Back-Up Washer MaterialPTFEMaterials of ConstructionStainless Steel 316
DivisionInstrumentation Products DivisionCracking Pressure25 to 50 psi
Connection 1 SizeSingle Ferrule CompressionActuation TypeManual Overdrive
Packing MaterialEthylene Propylene RubberMaximum Operating Temperature135 °C
Connection Size1/4 inchFlow Coefficient0.75 Cv
Maximum Operating Pressure51 psiConnection 2 SizeSingle Ferrule Compression
Minimum Operating Temperature-70 °F
Packing MaterialEthylene Propylene RubberCracking Pressure (psi)25 - 50
Connection 1 StyleSingle Ferrule Compression FittingMaterial316 Stainless Steel
Connection 2 StyleSingle Ferrule Compression FittingConnection Size1/4"
Connection Size 21/4"ActuationManual Overdrive
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