Relief Valves, 6,000 PSI - R Series - 4Z-RL4A-EPRT-SS-KE

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-KE
POR
Products specifications
Attribute nameAttribute value
Maximum Operating Pressure225 psiMinimum Operating Temperature-57 °C
Back-Up Washer MaterialPTFEActuation TypeStandard
Materials of ConstructionStainless Steel 316DivisionInstrumentation Products Division
Connection 1 SizeSingle Ferrule CompressionPacking MaterialEthylene Propylene Rubber
Maximum Operating Temperature135 °CConnection Size1/4 inch
Flow Coefficient0.75 CvCracking Pressure150 to 225 psi
Connection 2 Size1/4 inch
Connection Size 21/4"Packing MaterialEthylene Propylene Rubber
Cracking Pressure (psi)150 - 225ActuationStandard
Connection 1 StyleSingle Ferrule Compression FittingMaterial316 Stainless Steel
Connection 2 StyleSingle Ferrule Compression FittingConnection Size1/4"
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