Parker M8A-RH4A-BNT-SS-K6 - 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-BNT-SS-K6
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Products specifications
Attribute nameAttribute value
Connection 1 SizeTwo Ferrule Compression FittingConnection Size8 mm
Actuation TypeStandardDivisionInstrumentation Products Division
Back-Up Washer MaterialPTFEMinimum Operating Temperature-34
Connection 2 Size8 mmMaximum Operating Temperature107
Packing MaterialNitrile RubberMaximum Operating Pressure4000
Cracking Pressure3000 - 4000Flow Coefficient0.41
Materials of Construction316 Stainless SteelActuationStandard
Connection Size8 mmCracking Pressure (psi)3000 - 4000
Material316 Stainless SteelConnection Size 28 mm
Connection 1 StyleTwo Ferrule Compression FittingPacking MaterialNitrile Rubber
Connection 2 StyleTwo Ferrule Compression Fitting
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