Parker M8Z-RH4A-EPRT-SS-K4 - 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-EPRT-SS-K4
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Products specifications
Attribute nameAttribute value
Materials of Construction316 Stainless SteelFlow Coefficient0.41
Minimum Operating Temperature-57Maximum Operating Temperature135
Connection 2 Size8 mmBack-Up Washer MaterialPTFE
Connection 1 SizeSingle Ferrule Compression FittingConnection Size8 mm
Packing MaterialEthylene Propylene RubberCracking Pressure1500 - 2250
Maximum Operating Pressure2250DivisionInstrumentation Products Division
Actuation TypeStandardConnection Size8 mm
Material316 Stainless SteelActuationStandard
Packing MaterialEthylene Propylene RubberCracking Pressure (psi)1500 - 2250
Connection 1 StyleSingle Ferrule Compression FittingConnection Size 28 mm
Connection 2 StyleSingle Ferrule Compression Fitting
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