Series 424, Steel Body, Diaphragm Operated Two-Way Non-Freeze

The Series 424 Valve is perfect for use as a liquid dump valve on high pressure separators. The trim and seat are total immersed in the fluid to prevent freeze-ups. The Series 424 Valve can be used in any other pressure vessel where freeze-ups could be a problem.


Body MaterialLow carbon steel
End Connections Vessel 2″ MNPT
Inlet tube 1″ FNPT
Outlet 1″ FNPT
Body CoverSteel union
Diaphragm Operator Steel, 65 sq. in.
Nylon reinforced Buna N diaphragm,
Maximum recommended operating pressure 70 psi
Maximum containment pressure 100 psi
PackingNon-lubricated Buna N
Maximum Working Pressure3000 psi
Temperature Limits -20°F to 250°F-20°F to 250°F
Stem Material303 stainless steel
Plug and SeatSee download


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