Relief Valves, 6,000 PSI - R Series - M8A-RH4A-EPRT-SS-K4

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: M8A-RH4A-EPRT-SS-K4
POR
Products specifications
Attribute nameAttribute value
Connection 2 Size8 mmMinimum Operating Temperature-57 °C
Connection Size8 mmCracking Pressure1500 - 2250 psi
Back-Up Washer MaterialPTFEActuation TypeStandard
Flow Coefficient0.41 CvMaterials of Construction316 Stainless Steel
DivisionInstrumentation Products DivisionMaximum Operating Temperature135 °C
Packing MaterialEthylene Propylene RubberConnection 1 SizeTwo Ferrule Compression Fitting
Maximum Operating Pressure2250 psi
Packing MaterialEthylene Propylene RubberConnection 1 StyleTwo Ferrule Compression Fitting
Connection Size 28 mmConnection Size8 mm
ActuationStandardCracking Pressure (psi)1500 - 2250
Connection 2 StyleTwo Ferrule Compression FittingMaterial316 Stainless Steel
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