Parker M8A-RL4A-VT-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. M8A-RL4A-VT-SS-KD
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Products specifications
Attribute nameAttribute value
DivisionInstrumentation Products DivisionActuation TypeStandard
Maximum Operating Pressure150 psiMinimum Operating Temperature-10 °F
Flow Coefficient0.75 CvConnection 2 Size8 mm
Cracking Pressure100 - 150 psiBack-Up Washer MaterialPTFE
Materials of Construction316 Stainless SteelMaximum Operating Temperature400 °F
Connection 1 SizeTwo Ferrule Compression FittingConnection Size8 mm
Packing MaterialFluorocarbon RubberCracking Pressure (psi)100 - 150
Connection Size8 mmConnection Size 28 mm
Connection 1 StyleTwo Ferrule Compression FittingConnection 2 StyleTwo Ferrule Compression Fitting
Material316 Stainless SteelPacking MaterialFluorocarbon Rubber
ActuationStandard
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