Relief Valves, 6,000 PSI - R Series - 4A-RH4A-KZT-SS-K4

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: 4A-RH4A-KZT-SS-K4
POR
Products specifications
Attribute nameAttribute value
Connection Size1/4 inchMinimum Operating Temperature-20 °F
DivisionInstrumentation Products DivisionMaterials of ConstructionStainless Steel 316
Maximum Operating Temperature93 °CMaximum Operating Pressure2250 psi
Connection 2 SizeTwo Ferrule CompressionConnection 1 SizeTwo Ferrule Compression
Actuation TypeStandardFlow Coefficient0.41 Cv
Packing MaterialHighly Fluorinated Fluorocarbon RubberCracking Pressure1500 to 2250 psi
Back-Up Washer MaterialPTFE
Connection 1 StyleTwo Ferrule Compression FittingConnection 2 StyleTwo Ferrule Compression Fitting
Material316 Stainless SteelConnection Size1/4"
Connection Size 21/4"Cracking Pressure (psi)1500 - 2250
ActuationStandardPacking MaterialHighly Fluorinated Fluorocarbon Rubber
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