Parker M8A-RL4A-KZT-SS-KG - 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-KZT-SS-KG
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Products specifications
Attribute nameAttribute value
Connection 1 SizeTwo Ferrule Compression FittingFlow Coefficient0.75
Maximum Operating Pressure400Cracking Pressure225 - 400
Connection Size8 mmDivisionInstrumentation Products Division
Actuation TypeStandardPacking MaterialHighly Fluorinated Fluorocarbon Rubber
Connection 2 Size8 mmMinimum Operating Temperature-29
Back-Up Washer MaterialPTFEMaterials of Construction316 Stainless Steel
Maximum Operating Temperature93ActuationStandard
Cracking Pressure (psi)225 - 400Connection Size8 mm
Connection Size 28 mmPacking MaterialHighly Fluorinated Fluorocarbon Rubber
Connection 1 StyleTwo Ferrule Compression FittingConnection 2 StyleTwo Ferrule Compression Fitting
Material316 Stainless Steel
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