Relief Valves, 6,000 PSI - R Series - 4Z-RL4A-KZT-SS-KE

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).
Availability: Backordered
SKU: 4Z-RL4A-KZT-SS-KE
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Products specifications
Attribute nameAttribute value
Maximum Operating Temperature200 °FFlow Coefficient0.75 Cv
Packing MaterialHighly Fluorinated Fluorocarbon RubberConnection Size1/4 inch
Minimum Operating Temperature-20 °FConnection 2 SizeSingle Ferrule Compression
Maximum Operating Pressure225 psiBack-Up Washer MaterialPTFE
Actuation TypeStandardMaterials of ConstructionStainless Steel 316
Connection 1 SizeSingle Ferrule CompressionCracking Pressure150 to 225 psi
DivisionInstrumentation Products Division
Connection Size1/4"Packing MaterialHighly Fluorinated Fluorocarbon Rubber
Connection 2 StyleSingle Ferrule Compression FittingConnection Size 21/4"
Cracking Pressure (psi)150 - 225ActuationStandard
Material316 Stainless SteelConnection 1 StyleSingle Ferrule Compression Fitting
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