*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-BNT-SS-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. 4F-RL4A-BNT-SS-KE

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Products specifications

Attribute name	Attribute value
Maximum Operating Temperature	107 °C	Maximum Operating Pressure	225 psi
Connection 2 Size	1/4 inch	Connection Size	1/4 inch
Minimum Operating Temperature	-34 °C	Materials of Construction	Stainless Steel 316
Division	Instrumentation Products Division	Connection 1 Size	NPT F
Actuation Type	Standard	Flow Coefficient	0.75 Cv
Packing Material	Nitrile Rubber	Back-Up Washer Material	PTFE
Cracking Pressure	150 to 225 psi	Connection Size	1/4"
Material	316 Stainless Steel	Connection 1 Style	NPT F
Connection 2 Style	NPT F	Connection Size 2	1/4"
Actuation	Standard	Packing Material	Nitrile Rubber
Cracking Pressure (psi)	150 - 225

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