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

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-KA
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Products specifications
Attribute nameAttribute value
Connection 1 SizeSingle Ferrule CompressionDivisionInstrumentation Products Division
Maximum Operating Temperature200 °FMaximum Operating Pressure25 psi
Flow Coefficient0.75 CvPacking MaterialHighly Fluorinated Fluorocarbon Rubber
Connection Size1/4 inchMinimum Operating Temperature-20 °F
Connection 2 SizeSingle Ferrule CompressionActuation TypeStandard
Back-Up Washer MaterialPTFEMaterials of ConstructionStainless Steel 316
Cracking Pressure10 to 25 psi
Connection 1 StyleSingle Ferrule Compression FittingActuationStandard
Material316 Stainless SteelCracking Pressure (psi)10 - 25
Connection 2 StyleSingle Ferrule Compression FittingConnection Size1/4"
Packing MaterialHighly Fluorinated Fluorocarbon RubberConnection Size 21/4"
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