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Parker M8A-RL4A-EPRT-SS-KA - 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-EPRT-SS-KA

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Products specifications

Attribute name	Attribute value
Minimum Operating Temperature	-70 °F	Packing Material	Ethylene Propylene Rubber
Cracking Pressure	10 - 25 psi	Materials of Construction	316 Stainless Steel
Connection 1 Size	Two Ferrule Compression Fitting	Flow Coefficient	0.75 Cv
Connection 2 Size	Two Ferrule Compression Fitting	Connection Size	8 mm
Maximum Operating Temperature	135 °C	Actuation Type	Standard
Division	Instrumentation Products Division	Back-Up Washer Material	PTFE
Maximum Operating Pressure	25 psi	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
Cracking Pressure (psi)	10 - 25	Connection Size	8 mm
Connection Size 2	8 mm

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