Relief Valves, 6,000 PSI - R Series - 4F-RL4A-KZT-SS-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: 4F-RL4A-KZT-SS-KB
POR
Products specifications
Attribute nameAttribute value
Connection Size1/4 inchDivisionInstrumentation Products Division
Materials of ConstructionStainless Steel 316Maximum Operating Temperature93 °C
Connection 2 Size1/4 inchConnection 1 SizeNPT F
Minimum Operating Temperature-29 °CActuation TypeStandard
Flow Coefficient0.75 CvPacking MaterialHighly Fluorinated Fluorocarbon Rubber
Cracking Pressure25 to 50 psiBack-Up Washer MaterialPTFE
Maximum Operating Pressure54 psi
Connection 1 StyleNPT FConnection 2 StyleNPT F
Material316 Stainless SteelConnection Size1/4"
Connection Size 21/4"Cracking Pressure (psi)25 - 50
ActuationStandardPacking MaterialHighly Fluorinated Fluorocarbon Rubber
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