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Product Detail
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Hydrofluoric acid (HF) valves
Gate, Globe, and Check Valves
Cryogenic valves
Steam traps
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Bimetallic steam traps
- Type MFA & MFAS compressed air drain traps
- Type MFT & MFTS float bimetallic steam traps
- Type N forged HP/HT steam traps
- Type Q250 hermetically-sealed steam traps
- Type SPF & SP high capacity piston-operated steam traps
- Type SSF steam traps
- Type TS, TSF & SF forged steam traps
- Piping King package units
- Thermodynamic steam traps
Cast steel bellows seal gate
Description
Welded-in seat hardfaced with CoCr alloy. Wedge hardfaced with CoCr alloy for long life. Seating faces hardfaced with CoCr alloy, ground and lapped.
Features and benefits
- Long cycle life bellows (2000 cycles) in Gr. 321 (stainless), Inconel for special applications, (may be replaced with Monel trim to resist corrosion or Hastelloy C for chlorine service).
- Improved body-bonnet joint: Graphite reinforced with SS foil gasket for Class 150 valves. Fully-encased, spiral wound graphite-filled Gr. 316 (stainless) gasket for Classes 300-600.
- Bolted body-bonnet for fast serviceability. Hermetically-sealed bonnets available for Classes 300 and 600.
- Two or three section bellows assembly.
- Non-rotating stemprevents torsion of bellows.