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

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-KD
POR
Products specifications
Attribute nameAttribute value
Back-Up Washer MaterialPTFEActuation TypeStandard
Cracking Pressure100 to 150 psiConnection 2 Size1/4 inch
Flow Coefficient0.75 CvConnection 1 SizeSingle Ferrule Compression
DivisionInstrumentation Products DivisionPacking MaterialHighly Fluorinated Fluorocarbon Rubber
Connection Size1/4 inchMinimum Operating Temperature-29 °C
Materials of ConstructionStainless Steel 316Maximum Operating Pressure150 psi
Maximum Operating Temperature93 °C
Material316 Stainless SteelPacking MaterialHighly Fluorinated Fluorocarbon Rubber
Connection 1 StyleSingle Ferrule Compression FittingActuationStandard
Cracking Pressure (psi)100 - 150Connection Size1/4"
Connection 2 StyleSingle Ferrule Compression FittingConnection Size 21/4"
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