Parker M8A-RH4A-NET-SS-K6 - 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-K6
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Products specifications
Attribute nameAttribute value
Connection 1 SizeTwo Ferrule Compression FittingMaximum Operating Temperature121
DivisionInstrumentation Products DivisionActuation TypeStandard
Materials of Construction316 Stainless SteelMinimum Operating Temperature-43
Connection 2 Size8 mmBack-Up Washer MaterialPTFE
Packing MaterialNeoprene RubberCracking Pressure3000 - 4000
Connection Size8 mmFlow Coefficient0.41
Maximum Operating Pressure4000Connection 1 StyleTwo Ferrule Compression Fitting
Connection Size 28 mmPacking MaterialNeoprene Rubber
Material316 Stainless SteelConnection Size8 mm
Cracking Pressure (psi)3000 - 4000ActuationStandard
Connection 2 StyleTwo Ferrule Compression Fitting
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