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Picture of Parker 4KM-RL4A-BNT-SS-MN-KG - Relief Valves, 6,000 PSI - R Series

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Parker 4KM-RL4A-BNT-SS-MN-KG - 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-BNT-SS-MN-KG
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Products specifications
Attribute nameAttribute value
Maximum Operating Temperature107 °CMaximum Operating Pressure400 psi
Connection 2 Size1/4 inchConnection Size1/4 inch
Minimum Operating Temperature-34 °CMaterials of ConstructionStainless Steel 316
DivisionInstrumentation Products DivisionFlow Coefficient0.75 Cv
Packing MaterialNitrile RubberBack-Up Washer MaterialPTFE
Actuation TypeManual OverdriveCracking Pressure225 to 400 psi
Connection 1 SizeBSP MConnection Size1/4"
Material316 Stainless SteelConnection Size 21/4"
Packing MaterialNitrile RubberActuationManual Overdrive
Cracking Pressure (psi)225 - 400Connection 1 StyleBSP M
Connection 2 StyleBSP M
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