Parker 4KM-RL4A-EPRT-SS-MN-KC - 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. 4KM-RL4A-EPRT-SS-MN-KC
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Products specifications
Attribute nameAttribute value
Maximum Operating Pressure100Connection Size1/4
Connection 2 Size1/4Maximum Operating Temperature135
Materials of ConstructionStainless Steel 316Minimum Operating Temperature-57
DivisionInstrumentation Products DivisionPacking MaterialEthylene Propylene Rubber
Back-Up Washer MaterialPTFEActuation TypeManual Overdrive
Flow Coefficient0.75Cracking Pressure50 to 100
Connection 1 SizeBSP MConnection Size1/4"
Material316 Stainless SteelConnection Size 21/4"
Packing MaterialEthylene Propylene RubberCracking Pressure (psi)50 - 100
ActuationManual OverdriveConnection 1 StyleBSP M
Connection 2 StyleBSP M
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