QBU

Mechanical Seal Flowserve
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The QBU is a lube-groove pusher seal designed specifically for hot water services where cooling water is not available. It is pre-engineered for moderate pressure boiler feed and boiler circulation pumps, offering higher reliability and longer life compared to conventional seals.

  • Specifications
  • Technical Data
  • Advantages
  • Industries
  • Applications
  • Documents
  • Contact

Specifications

  • Brands: Flowserve
  • Standards: API682

Technical Data

  • Pressure: Up to 255 psi (17.5 bar)
  • Temperature: Up to 340°F (170°C)

Advantages

  • Designed for hot water services without the need for extra cooling
  • Higher reliability and longer life compared to conventional seals

Industries

  • Cooling Systems
  • Crude Handling and Treatment
  • Condensate Systems
  • Water Injection
  • Utilities
  • Catalytic Cracking
  • Steam Systems
  • Boiler Feedwater Systems
  • Heavy Oil and Upgrading
  • Boiler Circulation Systems
  • SAGD
  • Miscellaneous Services
  • Water Handling and Treatment
  • Logistics and Tank Farm
  • Alkylation
  • Hydrotreating
  • Hydrocraking
  • Distillation
  • Delayed Coking

Applications

  • Boiler Feedwater Systems
  • Boiler Circulation Systems
  • Hot Water Services
  • Steam Systems

Documents

Contact Us

Contact our Mechanical Seal Team

  • Chris Sheeran (External) – Mob: 087 755 9936
  • Evan Twomey - 083 162 0251
  • Miriam Adair - Tel: 021 461 7235
  • Office Tel: 021 461 7200

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