Parker M6A-RH4A-BNT-SS-K2 - 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. M6A-RH4A-BNT-SS-K2
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Products specifications
Attribute nameAttribute value
Maximum Operating Pressure750Connection Size6 mm
Connection 1 SizeTwo Ferrule Compression FittingActuation TypeStandard
Connection 2 Size6 mmDivisionInstrumentation Products Division
Back-Up Washer MaterialPTFEMaterials of Construction316 Stainless Steel
Maximum Operating Temperature107Packing MaterialNitrile Rubber
Minimum Operating Temperature-34Cracking Pressure350 - 750
Flow Coefficient0.41Connection Size6 mm
Cracking Pressure (psi)350 - 750Connection Size 26 mm
ActuationStandardConnection 1 StyleTwo Ferrule Compression Fitting
Packing MaterialNitrile RubberMaterial316 Stainless Steel
Connection 2 StyleTwo Ferrule Compression Fitting
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