Parker M8Z-RL4A-BNT-SS-KB - 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-RL4A-BNT-SS-KB
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Products specifications
Attribute nameAttribute value
Actuation TypeStandardConnection 2 SizeSingle Ferrule Compression Fitting
DivisionInstrumentation Products DivisionMaximum Operating Pressure52 psi
Back-Up Washer MaterialPTFEMinimum Operating Temperature-30 °F
Packing MaterialNitrile RubberMaximum Operating Temperature107 °C
Materials of Construction316 Stainless SteelFlow Coefficient0.75 Cv
Cracking Pressure25 - 50 psiConnection Size8 mm
Connection 1 SizeSingle Ferrule Compression FittingConnection 2 StyleSingle Ferrule Compression Fitting
Material316 Stainless SteelConnection Size 28 mm
Connection Size8 mmCracking Pressure (psi)25 - 50
Packing MaterialNitrile RubberActuationStandard
Connection 1 StyleSingle Ferrule Compression Fitting
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