Parker M8Z-RL4A-KZT-SS-KD - 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-KD
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Products specifications
Attribute nameAttribute value
Actuation TypeStandardCracking Pressure100 - 150
DivisionInstrumentation Products DivisionMaximum Operating Pressure150
Packing MaterialHighly Fluorinated Fluorocarbon RubberConnection 2 Size8 mm
Back-Up Washer MaterialPTFEMaximum Operating Temperature93
Minimum Operating Temperature-29Materials of Construction316 Stainless Steel
Connection 1 SizeSingle Ferrule Compression FittingFlow Coefficient0.75
Connection Size8 mmConnection 2 StyleSingle Ferrule Compression Fitting
Cracking Pressure (psi)100 - 150Material316 Stainless Steel
Connection Size8 mmConnection Size 28 mm
Packing MaterialHighly Fluorinated Fluorocarbon RubberConnection 1 StyleSingle Ferrule Compression Fitting
ActuationStandard
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