Relief Valves, 6,000 PSI - R Series - 4F-RH4A-BNT-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: 4F-RH4A-BNT-SS-K4
POR
Products specifications
Attribute nameAttribute value
Flow Coefficient0.41 CvBack-Up Washer MaterialPTFE
Actuation TypeStandardMaximum Operating Temperature225 °F
DivisionInstrumentation Products DivisionCracking Pressure1500 to 2250 psi
Maximum Operating Pressure2250 psiConnection 1 SizeNPT F
Connection Size1/4 inchMaterials of ConstructionStainless Steel 316
Minimum Operating Temperature-30 °FConnection 2 SizeNPT F
Packing MaterialNitrile Rubber
Material316 Stainless SteelActuationStandard
Connection 2 StyleNPT FCracking Pressure (psi)1500 - 2250
Connection Size1/4"Connection 1 StyleNPT F
Connection Size 21/4"Packing MaterialNitrile Rubber
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