Parker M8Z-RH4A-BNT-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. M8Z-RH4A-BNT-SS-K3
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Products specifications
Attribute nameAttribute value
Connection Size8 mmFlow Coefficient0.41
Cracking Pressure750 - 1500Connection 1 SizeSingle Ferrule Compression Fitting
Packing MaterialNitrile RubberDivisionInstrumentation Products Division
Actuation TypeStandardMaterials of Construction316 Stainless Steel
Connection 2 Size8 mmMaximum Operating Pressure1500
Minimum Operating Temperature-34Maximum Operating Temperature107
Back-Up Washer MaterialPTFEActuationStandard
Connection 1 StyleSingle Ferrule Compression FittingCracking Pressure (psi)750 - 1500
Connection Size 28 mmConnection 2 StyleSingle Ferrule Compression Fitting
Packing MaterialNitrile RubberConnection Size8 mm
Material316 Stainless Steel
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