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SIVAC® Vacuum sewer system
The alterative to gravity flow system

As an alternative of gravity flow system SEKISUI SPR Europe offers drainage of pipe systems with the SIVAC® vacuum technology. The vacuum sewer system is flexible and minimizes the construction costs due to broad field of applications.
SIVAC®

The vacuum sewer system consists of a vacuum station, valve chamber package and vacuum pipeline. The specific name of the system differs according to the manufacturer of the vacuum valves adopted in the system. Unlike gravity flow systems in general, the main sewer pipeline in the vacuum sewer system are maintained in vacuum condition at all times by the vacuum pump installed in the vacuum station. Such sewer pipeline is called “vacuum pipeline”. Domestic sewage assembles in the valve chamber package and is sent to the vacuum pipeline. Through the vacuum pipeline, which is laid underground shallowly in the saw tooth profile, domestic sewage is collected in a collection tank in the vacuum station. Then, from the collection tank, it is delivered to the main sewer pipeline or to the sewage treatment facilities by the aid of sewage pump.

The SIVAC® patented technology overrides the common knowledge in conventional vacuum sewer systems, and enables innovative pipeline design. With SIVAC® technology, the collectable distance can be made nearly double of the conventional design, which widen the application scope of the vacuum sewer systems extensively.

UNIQUE SYSTEM – EFFECTIVE IN MOST AREAS
SIVAC® Vacuum Sewer can be applied effectively in most areas, with less initial and life cycle costs and lower global warming gas emissions than a gravity sewer system:

Major advantages in the following circumstances
  • Resort and recreational areas
  • Agriculture and mountain villages
  • Industrial areas
  • S ewer systems near to a lake, cost line or marinas
  • Lower urban areas
  • High groundwater table
  • Crossing of pipes, roads, rivers etc.
  • Difficult ground conditions


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SIVAC®

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