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Picture of Parker 4M-RL4A-KZT-SS-MN-KA - Relief Valves, 6,000 PSI - R Series

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Parker 4M-RL4A-KZT-SS-MN-KA - 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. 4M-RL4A-KZT-SS-MN-KA
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Products specifications
Attribute nameAttribute value
Connection Size1/4Connection 2 Size1/4
Maximum Operating Pressure25Maximum Operating Temperature93
Minimum Operating Temperature-29Materials of ConstructionStainless Steel 316
DivisionInstrumentation Products DivisionConnection 1 SizeNPT M
Packing MaterialHighly Fluorinated Fluorocarbon RubberBack-Up Washer MaterialPTFE
Actuation TypeManual OverdriveFlow Coefficient0.75
Cracking Pressure10 to 25Connection Size1/4"
Material316 Stainless SteelConnection 1 StyleNPT M
Connection 2 StyleNPT MConnection Size 21/4"
Packing MaterialHighly Fluorinated Fluorocarbon RubberCracking Pressure (psi)10 - 25
ActuationManual Overdrive
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