Secondary Packed Bellows-Sealed Valves

Supports working pressures up to 2500 psig (172 bar) and a working temperature range from -20°F to 842°F (-28°C to 450°C). The hydraulic-formed multilayer bellows, combined with upper packing above the bellows, provide a secondary containment system that ensures excellent sealing and longer cycle life. The non-rotating stem tip reduces galling. Bellows and stem tip assemblies are replaceable, with regulating, conical, and spherical tip options. Manual and pneumatic actuation are available.

Product Details

  • Product Name:Secondary Packed Bellows-Sealed Valves
  • Materialof the Valve body: 316,316L,304,304L
  • End Size:1/8”,1/4”,3/8”,1/2”,3/4”,1”and 6 mm,8mm,10mm,12mm,16mm,18mm
  • Variousend connection Types:Two ferrules fittings,VCR Fittings, Fractional Tube Socket Weld,Metric Tube Socket Weld,Fractional Tube Butt Weld,Metric Tube Butt Weld,Pipe Socket Weld,Pipe Butt Weld,Rotatable Fractional Tube Butt Weld,Rotatable Metric Tube Butt Weld
  • Compact and Normal Series

 

Features

  • Variety of end connections
  • Upper packing provides secondary containment system above the bellows
  • Hydraulic-formed multilayer bellows for longer cycle life
  • Nonrotating stem tip eliminates galling within the seat area
  • Strictly controlled bellows stroke to improve safety and cycle life
  • Replaceable bellows and stem tip assembly
  • Regulating, conical and spherical stem tips available
  • Handle color options are available
  • Double lock-pins enable steady and durable fastening of the handle
  • Panel and bottom mounting available

 

Application:

High pressure gas or liquid systems

Low temperature media control (e.g., liquid nitrogen, liquid oxygen systems)

Petrochemical, energy, and high-pressure reaction equipment

High-pressure laboratory systems

Gas compression and transportation systems

Applications requiring high sealing performance and safety

Panel-mounted or direct piping installation

High-pressure switching applications with pneumatic actuators

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