Parker M8A-RL4A-BNT-SS-KA - 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-RL4A-BNT-SS-KA
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Products specifications
Attribute nameAttribute value
Maximum Operating Temperature107 °CMaterials of Construction316 Stainless Steel
Maximum Operating Pressure25 psiCracking Pressure10 - 25 psi
Connection 1 SizeTwo Ferrule Compression FittingConnection Size8 mm
Connection 2 SizeTwo Ferrule Compression FittingDivisionInstrumentation Products Division
Actuation TypeStandardFlow Coefficient0.75 Cv
Back-Up Washer MaterialPTFEPacking MaterialNitrile Rubber
Minimum Operating Temperature-34 °CConnection 2 StyleTwo Ferrule Compression Fitting
Packing MaterialNitrile RubberActuationStandard
Connection Size8 mmMaterial316 Stainless Steel
Cracking Pressure (psi)10 - 25Connection 1 StyleTwo Ferrule Compression Fitting
Connection Size 28 mm
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