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SEALING

Seals are designed either to stop process gas from escaping, to stop contaminants from entering the process, or both.

We can offer gas-tight compressors when needed.

We can recommend a sealing arrangement according to your requirements.

gas-tight compressors

Shaft Seals (Dynamic Seals)

Our Duragas machines can be fitted with a combination of the following seals. Seals can generally be either single or dual. Two independent sealing systems can be deployed for dangerous gases.

  • Lip Seal

 

  • Labyrinth Seal

 

  • Carbon Ring Seal

 

  • Wet mechanical seal
    (water or oil lubricated)

    We can offer a pressurised barrier system in accordance with API 682 seal plan 53B (self-circulating), or plan 54 (pumped) if required.
  • Dry mechanical seal
    (gas lubricated)

    We can offer a pressurised barrier system in accordance with API 682 seal plan 74
  • Magnetic Drive Coupling
    A hermetic seal is formed by the containment shell (can / membrane / shroud) of the mag’ drive. The compressor is said to be ‘sealless’ at the drive shaft. Compliance with API Standard 685 is available.

Pressurised Seal Oil Barrier System, API Standard 682, Plan 53B

Static Seals

Gaskets or O-rings

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