Parker M8Z-RL4A-BNT-SS-MN-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-MN-KB
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Products specifications
Attribute nameAttribute value
Maximum Operating Pressure52Connection Size8 mm
Connection 1 SizeSingle Ferrule Compression FittingFlow Coefficient0.75
DivisionInstrumentation Products DivisionActuation TypeManual Overdrive
Materials of Construction316 Stainless SteelCracking Pressure25 - 50
Back-Up Washer MaterialPTFEMinimum Operating Temperature-34
Maximum Operating Temperature107Packing MaterialNitrile Rubber
Connection 2 Size8 mmCracking Pressure (psi)25 - 50
ActuationManual OverdriveConnection 1 StyleSingle Ferrule Compression Fitting
Connection 2 StyleSingle Ferrule Compression FittingPacking MaterialNitrile Rubber
Material316 Stainless SteelConnection Size 28 mm
Connection Size8 mm
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