Parker M8Z-RL4A-KZT-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-KZT-SS-KB
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Products specifications
Attribute nameAttribute value
DivisionInstrumentation Products DivisionActuation TypeStandard
Materials of Construction316 Stainless SteelConnection 2 Size8 mm
Back-Up Washer MaterialPTFEMaximum Operating Pressure54 psi
Minimum Operating Temperature-20 °FConnection Size8 mm
Connection 1 SizeSingle Ferrule Compression FittingPacking MaterialHighly Fluorinated Fluorocarbon Rubber
Maximum Operating Temperature200 °FCracking Pressure25 - 50 psi
Flow Coefficient0.75 CvConnection Size 28 mm
Packing MaterialHighly Fluorinated Fluorocarbon RubberConnection 2 StyleSingle Ferrule Compression Fitting
Connection Size8 mmMaterial316 Stainless Steel
ActuationStandardCracking Pressure (psi)25 - 50
Connection 1 StyleSingle Ferrule Compression Fitting
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