Parker M8A-RH4A-VT-SS-K3 - Relief Valves, 6,000 PSI - R Series

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).
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Brand Parker
Part No. M8A-RH4A-VT-SS-K3
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Products specifications
Attribute nameAttribute value
Cracking Pressure750 - 1500 psiDivisionInstrumentation Products Division
Maximum Operating Temperature204 °CActuation TypeStandard
Minimum Operating Temperature-10 °FConnection 2 Size8 mm
Maximum Operating Pressure1500 psiFlow Coefficient0.41 Cv
Materials of Construction316 Stainless SteelBack-Up Washer MaterialPTFE
Connection 1 SizeTwo Ferrule Compression FittingConnection Size8 mm
Packing MaterialFluorocarbon RubberConnection Size8 mm
Connection Size 28 mmCracking Pressure (psi)750 - 1500
Connection 1 StyleTwo Ferrule Compression FittingConnection 2 StyleTwo Ferrule Compression Fitting
Material316 Stainless SteelPacking MaterialFluorocarbon Rubber
ActuationStandard
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