Parker M8Z-RH4A-VT-SS-K8 - 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-VT-SS-K8
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Products specifications
Attribute nameAttribute value
Connection 2 Size8 mmCracking Pressure5000 - 6000 psi
Maximum Operating Pressure6000 psiActuation TypeStandard
Flow Coefficient0.41 CvBack-Up Washer MaterialPTFE
Materials of Construction316 Stainless SteelMaximum Operating Temperature400 °F
Connection Size8 mmConnection 1 SizeSingle Ferrule Compression Fitting
Packing MaterialFluorocarbon RubberDivisionInstrumentation Products Division
Minimum Operating Temperature-10 °FConnection Size8 mm
Connection Size 28 mmMaterial316 Stainless Steel
ActuationStandardPacking MaterialFluorocarbon Rubber
Connection 1 StyleSingle Ferrule Compression FittingConnection 2 StyleSingle Ferrule Compression Fitting
Cracking Pressure (psi)5000 - 6000
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