Bellow Seal Valve
SWI Gate Valve
SWI Bellow Seal Cast Steel Gate Valve Class 150 to 1500
SWI bellow seal valve has a compact structure and is one kind of control valve to balance the pressure. Bellows are used as the valve stem sealing components of the bellow seal valve.
SWI Valve Features :
- Prevents torsion of bellows
- Stellite 6 faced both seat and wedge / disc to prevent seizing and
galling is available.
SWI Pressure Rating :
Detail Specification
General Design & Wall Thickness | API 600 / ASME B16.34 / ISO 10434 |
Bellows Inspection & Test | MSS SP-117 / API 602 |
Cycle Life Test | Performed under the maximum pressure condition |
Non-Rotating stem | Prevents torsion of bellows |