*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 4Z-RH4A-BNT-SS-K2 - 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. 4Z-RH4A-BNT-SS-K2

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Products specifications

Attribute name	Attribute value
Maximum Operating Temperature	107 °C	Minimum Operating Temperature	-30 °F
Maximum Operating Pressure	750 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	Single Ferrule Compression
Actuation Type	Standard	Flow Coefficient	0.41 Cv
Packing Material	Nitrile Rubber	Cracking Pressure	350 to 750 psi
Back-Up Washer Material	PTFE	Connection Size	1/4"
Material	316 Stainless Steel	Connection 1 Style	Single Ferrule Compression Fitting
Connection 2 Style	Single Ferrule Compression Fitting	Connection Size 2	1/4"
Actuation	Standard	Packing Material	Nitrile Rubber
Cracking Pressure (psi)	350 - 750

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