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Parker 4A-RL4A-VT-SS-MN-KE - 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. 4A-RL4A-VT-SS-MN-KE

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Products specifications

Attribute name	Attribute value
Maximum Operating Temperature	204 °C	Maximum Operating Pressure	225 psi
Connection 2 Size	1/4 inch	Connection Size	1/4 inch
Materials of Construction	Stainless Steel 316	Division	Instrumentation Products Division
Connection 1 Size	Two Ferrule Compression	Minimum Operating Temperature	-10 °F
Flow Coefficient	0.75 Cv	Packing Material	Fluorocarbon Rubber
Back-Up Washer Material	PTFE	Actuation Type	Manual Overdrive
Cracking Pressure	150 to 225 psi	Connection Size	1/4"
Material	316 Stainless Steel	Connection 1 Style	Two Ferrule Compression Fitting
Connection 2 Style	Two Ferrule Compression Fitting	Connection Size 2	1/4"
Packing Material	Fluorocarbon Rubber	Actuation	Manual Overdrive
Cracking Pressure (psi)	150 - 225

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