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Parker M8A-RL4A-KZT-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-KZT-SS-KA

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Products specifications

Attribute name	Attribute value
Minimum Operating Temperature	-20 °F	Maximum Operating Temperature	93 °C
Flow Coefficient	0.75 Cv	Packing Material	Highly Fluorinated Fluorocarbon Rubber
Connection Size	8 mm	Connection 1 Size	Two Ferrule Compression Fitting
Actuation Type	Standard	Division	Instrumentation Products Division
Cracking Pressure	10 - 25 psi	Materials of Construction	316 Stainless Steel
Maximum Operating Pressure	25 psi	Back-Up Washer Material	PTFE
Connection 2 Size	8 mm	Actuation	Standard
Connection 2 Style	Two Ferrule Compression Fitting	Connection 1 Style	Two Ferrule Compression Fitting
Packing Material	Highly Fluorinated Fluorocarbon Rubber	Material	316 Stainless Steel
Connection Size 2	8 mm	Cracking Pressure (psi)	10 - 25
Connection Size	8 mm

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