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Usability Engineering Process Flow Model - Sivaprasath Selvaraj

by Lead User Experience Consultant at Private Organization in India. on Apr 20, 2011

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  • rickyyad3 Ricky Yad QUAVAC Vacuflow Central Vacuum Station (a concrete cellar underground) has vacuum tank with specific size with vacuum pumps to create vacuum in the tank and also in the complete pipe network. Also, the central vacuum station will have a set of discharge pumps.
    For More…….http://www.quavac.con

    Vacuum station are studied separately. As Vacuum Sewer is operating with vacuum, the lift in every separate pipe line must be calculated. Also the pipe length must be considered. As mentioned earlier, the Vacuum Sewer method utilizes the atmospheric pressure for the sewage disposal. The vacuum station is normally operating at a vacuum level of 60-65 kPa. The vacuum level in the interface unit at the discharge valve shall never be less than 25 kPa and the lift in the interface unit shall normally not be higher than 1.5 m. As a general rule the loss of vacuum between the station and to any interface unit shall not be higher than 3.5 m. for more……http://www.quavac.com
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Usability Engineering Process Flow Model - Sivaprasath Selvaraj Usability Engineering Process Flow Model - Sivaprasath Selvaraj Presentation Transcript