Parker M8Z-RH4A-NET-SS-K7 - 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. M8Z-RH4A-NET-SS-K7
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Products specifications
Attribute nameAttribute value
Flow Coefficient0.41Materials of Construction316 Stainless Steel
Connection 2 Size8 mmMinimum Operating Temperature-43
Back-Up Washer MaterialPTFEConnection Size8 mm
Connection 1 SizeSingle Ferrule Compression FittingMaximum Operating Pressure5000
DivisionInstrumentation Products DivisionCracking Pressure4000 - 5000
Packing MaterialNeoprene RubberMaximum Operating Temperature121
Actuation TypeStandardPacking MaterialNeoprene Rubber
Material316 Stainless SteelConnection Size8 mm
ActuationStandardCracking Pressure (psi)4000 - 5000
Connection 1 StyleSingle Ferrule Compression FittingConnection Size 28 mm
Connection 2 StyleSingle Ferrule Compression Fitting
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