Relief Valves, 6,000 PSI - R Series - 4M-RH4A-EPRT-SS-K2

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: 4M-RH4A-EPRT-SS-K2
POR
Products specifications
Attribute nameAttribute value
DivisionInstrumentation Products DivisionBack-Up Washer MaterialPTFE
Flow Coefficient0.41 CvPacking MaterialEthylene Propylene Rubber
Connection Size1/4 inchCracking Pressure350 to 750 psi
Maximum Operating Pressure750 psiConnection 2 Size1/4 inch
Connection 1 SizeNPT MMinimum Operating Temperature-70 °F
Actuation TypeStandardMaximum Operating Temperature275 °F
Materials of ConstructionStainless Steel 316
ActuationStandardConnection 1 StyleNPT M
Cracking Pressure (psi)350 - 750Material316 Stainless Steel
Connection 2 StyleNPT MConnection Size1/4"
Packing MaterialEthylene Propylene RubberConnection Size 21/4"
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