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Parker M8A-RH4A-EPRT-SS-K7 - 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-K7

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Products specifications

Attribute name	Attribute value
Packing Material	Ethylene Propylene Rubber	Materials of Construction	316 Stainless Steel
Connection 1 Size	Two Ferrule Compression Fitting	Connection Size	8 mm
Maximum Operating Pressure	5000 psi	Maximum Operating Temperature	135 °C
Actuation Type	Standard	Division	Instrumentation Products Division
Connection 2 Size	8 mm	Cracking Pressure	4000 - 5000 psi
Back-Up Washer Material	PTFE	Minimum Operating Temperature	-57 °C
Flow Coefficient	0.41 Cv	Cracking Pressure (psi)	4000 - 5000
Connection 2 Style	Two Ferrule Compression Fitting	Actuation	Standard
Packing Material	Ethylene Propylene Rubber	Connection 1 Style	Two Ferrule Compression Fitting
Material	316 Stainless Steel	Connection Size	8 mm
Connection Size 2	8 mm

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