Distributor of Forbes Marshall & Carne Co.

Bellow Seal Gate Valve

Bellow Seal Gate Valve

The Bellow Seal Gate Valve is designed to protect any leakage from the valve stem, making it ideal for handling dangerous or sensitive fluids. It uses a special metal bellows that is welded to both the valve stem and the bonnet, completely sealing the stem area. This makes it much more safe than regular gate valves, especially in high-temperature or toxic environments.

Ideal for industries where safety and environmental standards are most important, the Bellow Seal Gate Valve is a trusted solution across refineries, power plants, chemical units, and more.


Product Specifications

Size Range 15 mm to 600 mm
Pressure Class Class 150 to 900
End Connections Flanged / Butt Weld / Socket Weld
Body Materials Carbon Steel, Stainless Steel, Alloy Steel
Standards API 600 / BS 1873 / IBR Certified
Leakage Class Class VI Tight Shutoff
Bellows Material SS 316L / Inconel / Hastelloy on request

Key Advantages

  • Zero Stem Leakage: Prevents temporary release and meets strict environmental standards.
  • Long Service Life: The hard bellow design ensures extended operational life without maintenance.
  • Double Sealing Design: Include both bellows and a secondary gland seal for increased safety.
  • Fire Safe & Blowout Proof: Fire-safe design and blowout-proof stem ensure safe operation under all conditions.
  • Isolation Safety: Full port design offers low-pressure release and perfect isolation.
  • Easy Maintenance: Clarify inspection and part replacement operational effectiveness.

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• Bellow Seal Gate Valve

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