| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a module type vacuum drain system capable of being quickly and easily installed in a building. SOLUTION: The system has interface joint sections 32, 46, 60, 66 and 72 stored in a surrounding body 12 and adjoined around the surrounding body to arrange, and a vacuum central 10 capable of having quick access thereto is included. The vacuum central can be installed in an office 80 without being required of a separate machine room. One or more module type plumbing systems 4 can be installed. Such module type plumbing systems 4 have water accessible from the outside of a housing and vacuum pipe inlets 8 and 96 installed in the housing in order to facilitate the connection of them to the vacuum central 10. The vacuum central, module type plumbing systems and piping are built up in advance to have an attractive appearance corresponding to the office.</p> |
