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CHETRA Mechanical Seals for Oil & Gas

CHETRA Oil & Gas Competence

In the oil & gas industry – with the areas of on-shore and off-shore – operating under extreme conditions places the highest demands on reliability and longevity of equipment components.

Central units such as crude oil recovery and pipeline pumps, multiphase pumps, water injection and MOL pumps require mechanical seals that display high abrasive resistance, safety reserves and fail-safe characteristics as a result of their design and the materials that they employ.

As early as the basic concept stage of the mechanical seal CHETRA takes account of the sealing technology requirements presented by high pressure (>100 bar), high speed, contaminated/mixed media such as crude oil/gas, sand/water mixes, additional demands caused by sea water and the sometimes unmanned platforms encountered in off-shore operations.

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The results are innovative, often tailor-made solutions, based on decades of experience in the industry with in-depth consulting for optimally-suited mechanical seals and the matching accessories.

The CHETRA delivery range contains both tailor-made products and high-quality standard seals, characterised by:

  • Robust design with extensive safety margins.

  • Protection of sensitive components.

  • Solid rotary seal rings and stationary seats in self-aligning arrangements.

  • Stationary design, if applicable.

  • Special seal face geometry.

  • Controlled circulation guidance for optimal heat removal.

  • Material optimisation; use of suitable materials, some with patented surface treatment – use of API 682-approved materials.

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