*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Parker 4F-RL4A-EPRT-SS-MN-KG - 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. 4F-RL4A-EPRT-SS-MN-KG

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Products specifications

Attribute name	Attribute value
Maximum Operating Pressure	400 psi	Connection 2 Size	1/4 inch
Connection Size	1/4 inch	Minimum Operating Temperature	-57 °C
Maximum Operating Temperature	275 °F	Materials of Construction	Stainless Steel 316
Division	Instrumentation Products Division	Connection 1 Size	NPT F
Flow Coefficient	0.75 Cv	Packing Material	Ethylene Propylene Rubber
Back-Up Washer Material	PTFE	Actuation Type	Manual Overdrive
Cracking Pressure	225 to 400 psi	Connection Size	1/4"
Material	316 Stainless Steel	Connection 1 Style	NPT F
Connection 2 Style	NPT F	Connection Size 2	1/4"
Packing Material	Ethylene Propylene Rubber	Actuation	Manual Overdrive
Cracking Pressure (psi)	225 - 400

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