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Parker 4Z-RL4A-KZT-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. 4Z-RL4A-KZT-SS-MN-KE

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Products specifications

Attribute name	Attribute value
Connection Size	1/4	Connection 2 Size	1/4
Maximum Operating Temperature	93	Maximum Operating Pressure	225
Minimum Operating Temperature	-29	Materials of Construction	Stainless Steel 316
Division	Instrumentation Products Division	Connection 1 Size	Single Ferrule Compression
Packing Material	Highly Fluorinated Fluorocarbon Rubber	Back-Up Washer Material	PTFE
Actuation Type	Manual Overdrive	Flow Coefficient	0.75
Cracking Pressure	150 to 225	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"
Packing Material	Highly Fluorinated Fluorocarbon Rubber	Actuation	Manual Overdrive
Cracking Pressure (psi)	150 - 225

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