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Parker M8A-RH4A-EPRT-SS-K1 - 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-EPRT-SS-K1

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Products specifications

Attribute name	Attribute value
Division	Instrumentation Products Division	Actuation Type	Standard
Back-Up Washer Material	PTFE	Maximum Operating Temperature	275 °F
Flow Coefficient	0.41 Cv	Packing Material	Ethylene Propylene Rubber
Materials of Construction	316 Stainless Steel	Maximum Operating Pressure	350 psi
Cracking Pressure	50 - 350 psi	Connection 1 Size	Two Ferrule Compression Fitting
Connection 2 Size	Two Ferrule Compression Fitting	Minimum Operating Temperature	-70 °F
Connection Size	8 mm	Connection 1 Style	Two Ferrule Compression Fitting
Connection Size	8 mm	Material	316 Stainless Steel
Connection Size 2	8 mm	Cracking Pressure (psi)	50 - 350
Connection 2 Style	Two Ferrule Compression Fitting	Packing Material	Ethylene Propylene Rubber
Actuation	Standard

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