- 2-3-7 Toranomon, Minato-ku, Tokyo, 105-8450, Japan
email, Tel. +81 3 5521-0553
SIVAC is the Vacuum Sewer System named after 2 Japanese owner companies SEKISUI CHEMICAL Co., and ISEKI POLY-TECH, INCORPORATED. The companies acquired Cowel (UK) in 1991, and successfully modernized their technology & products up to date.
The Cowel Vacuum Valve had wide references though out Middle East, Asia to North Europe.However, their model was facing several malfunctions due to out dated design. In 1991, SEKISUI entirely renewed the valve design and introduced more reliable model in order to meet the severe requirements of clients.
SEKISUI, being a integrated plastic manufacturer, incorporated all the know-how they have achieved though out the years and redesigned the valve from the scratch, all the parts and components, including the materials.
As the result, SEKISUI introduces the totally renewed vacuum valve model, which achieved extensively high endurance and stable performance against all climates.
SIVAC system was provided to clients thoughout the word, with the brand name of SIVAC in Japan, and with the brand name of ISEKI outside Japan.
SIVAC is wastewater collection system optimum for urban, residential, agricultural and sea side facilites, resort and recreational areas, where topographically flat and trench difficuty area such as high water table and/or soft ground conditions and/or hard rocks.
The vacuum sewer system consists of a vacuum station, valve chamber package and vacuum pipeline.