| 摘要 |
The toilet with vacuum evacuation system comprises a bowl (1), a deposit (2) for receiving sewage, a cutting valve (3) placed between the bowl exit and the inlet of the deposit (2) and an air ejector (10) connected to the deposit (2), and it is characterized in that said cutting valve (3) is a spherical valve provided with a joint system based on polytetrafluorethylene charged with graphite, glass fiber and/or steel powder.
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