

Caractéristiques et avantages
Available for nuclear class 1, 2, and 3 and safety related applications.
- Complies to ASME B16.34 standards.
- A compact but extremely sturdy design for high pressure-temperature service.
- Packing rings are pre-compressed in the packing chamber to ensure equal stress distribution, effectiveness of all rings and a high integrity seal.
- For welded bonnet valves, the bonnet is threaded in and torqued to an engineered torque value and the body bonnet joint is strength-welded, offering double protection against leakage. (body/bonnet threads and strength-weld).
- CoCr alloy disc ensures low friction and long service life.
- For Class 800 valves and for steam service, seats are seal-welded to the body.
- Long cycle life bellows (2,000 cycles). Designed and qualification tested for high pressure/temperature applications.
- Bellows monitoring port (optional). A plug can be connected to the space above the bellows to monitor performance.
- Two secondary stem seals:
a) Backseat in open position
b) Graphite packing. - Superior seating faces. Seats hardfaced with CoCr, disc is solid CoCr.
Détails du produit
| Spécifications | Détail |
|---|---|
| Gamme de tailles | ½-2" (15-50 mm) |
| Classe de pression | ASME Classes 150-1500 |
| Connexions standard | Threaded, socket weld or flanged |
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