Relief Valves, 6,000 PSI - R Series - 4F-RL4A-BNT-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-BNT-SS-KD
POR
Products specifications
Attribute nameAttribute value
DivisionInstrumentation Products DivisionConnection 2 Size1/4 inch
Connection 1 SizeNPT FMaximum Operating Temperature107 °C
Connection Size1/4 inchFlow Coefficient0.75 Cv
Packing MaterialNitrile RubberMaximum Operating Pressure150 psi
Actuation TypeStandardCracking Pressure100 to 150 psi
Back-Up Washer MaterialPTFEMaterials of ConstructionStainless Steel 316
Minimum Operating Temperature-30 °F
ActuationStandardConnection 2 StyleNPT F
Material316 Stainless SteelConnection Size1/4"
Connection 1 StyleNPT FConnection Size 21/4"
Packing MaterialNitrile RubberCracking Pressure (psi)100 - 150
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