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

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-MN-KB
POR
Products specifications
Attribute nameAttribute value
Maximum Operating Pressure54 psiFlow Coefficient0.75 Cv
Actuation TypeManual OverdriveDivisionInstrumentation Products Division
Cracking Pressure25 to 50 psiConnection 1 SizeSingle Ferrule Compression
Maximum Operating Temperature200 °FPacking MaterialHighly Fluorinated Fluorocarbon Rubber
Connection Size1/4 inchMinimum Operating Temperature-20 °F
Materials of ConstructionStainless Steel 316Connection 2 SizeSingle Ferrule Compression
Back-Up Washer MaterialPTFE
Packing MaterialHighly Fluorinated Fluorocarbon RubberConnection 1 StyleSingle Ferrule Compression Fitting
ActuationManual OverdriveConnection 2 StyleSingle Ferrule Compression Fitting
Connection Size1/4"Cracking Pressure (psi)25 - 50
Connection Size 21/4"Material316 Stainless Steel
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