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Product Detail

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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.