Description
Size Range(s)
- NPS 2 – 8
- (DN 50 – 200)
Pressure Rating
- ASME Classes 150 – 600
Standard Connections
- Flanged, Butt Weld
Cast Steel Bellows Seal Globe Valve
- Long cycle life bellows (3000 cycles) in Gr. 321 (stainless), Inconel for special applications, or Hastelloy C for chlorine service.
- Bolted body-bonnet joints for fast serviceability. Fully enclosed spiral wound Gr. 316 (stainless) graphite gaskets.
- Non-rotating stem prevents torsion of bellows.
- Two-secondary stem seals: a) Back seat in open position; b) Graphite packing.
- Bellows monitoring port (optional): A plug can be connected to the space above the bellows to monitor performance.
- Seat and disc hardfaced with CoCr alloy, ground and lapped.
