Parker 4F-RL4A-EPRT-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. 4F-RL4A-EPRT-SS-MN-KA
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Products specifications
Attribute nameAttribute value
Connection Size1/4Connection 2 Size1/4
Maximum Operating Pressure25Maximum Operating Temperature135
Materials of ConstructionStainless Steel 316Minimum Operating Temperature-57
DivisionInstrumentation Products DivisionConnection 1 SizeNPT F
Packing MaterialEthylene Propylene RubberBack-Up Washer MaterialPTFE
Actuation TypeManual OverdriveFlow Coefficient0.75
Cracking Pressure10 to 25Connection Size1/4"
Material316 Stainless SteelConnection 1 StyleNPT F
Connection 2 StyleNPT FConnection Size 21/4"
Packing MaterialEthylene Propylene RubberCracking Pressure (psi)10 - 25
ActuationManual Overdrive
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