Parker M8A-RH4A-NET-SS-K5 - 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-RH4A-NET-SS-K5
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Products specifications
Attribute nameAttribute value
Maximum Operating Pressure3000 psiConnection 2 Size8 mm
Back-Up Washer MaterialPTFEMaximum Operating Temperature121 °C
Materials of Construction316 Stainless SteelCracking Pressure2250 - 3000 psi
Connection 1 SizeTwo Ferrule Compression FittingConnection Size8 mm
DivisionInstrumentation Products DivisionMinimum Operating Temperature-45 °F
Packing MaterialNeoprene RubberActuation TypeStandard
Flow Coefficient0.41 CvPacking MaterialNeoprene Rubber
Connection 2 StyleTwo Ferrule Compression FittingMaterial316 Stainless Steel
ActuationStandardCracking Pressure (psi)2250 - 3000
Connection Size8 mmConnection Size 28 mm
Connection 1 StyleTwo Ferrule Compression Fitting
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