Relief Valves, 6,000 PSI - R Series - 4F-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: 4F-RL4A-KZT-SS-KD
POR
Products specifications
Attribute nameAttribute value
Materials of ConstructionStainless Steel 316Connection 2 SizeNPT F
Maximum Operating Pressure150 psiCracking Pressure100 to 150 psi
Actuation TypeStandardBack-Up Washer MaterialPTFE
Flow Coefficient0.75 CvConnection Size1/4 inch
DivisionInstrumentation Products DivisionMaximum Operating Temperature200 °F
Minimum Operating Temperature-29 °CPacking MaterialHighly Fluorinated Fluorocarbon Rubber
Connection 1 SizeNPT F
Connection Size 21/4"Material316 Stainless Steel
Connection 1 StyleNPT FPacking MaterialHighly Fluorinated Fluorocarbon Rubber
ActuationStandardConnection 2 StyleNPT F
Cracking Pressure (psi)100 - 150Connection Size1/4"
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