PIPING STRUCTURE OF HOUSE INLET WITH VACUUM VALVE

摘要

PPROBLEM TO BE SOLVED: To provide a piping structure of a house inlet with a vacuum valve capable of preventing the occurrence of displacements in axial directions and distortions in radial directions of an outflow pipe which is passed through an inlet body. PSOLUTION: The house inlet U with a vacuum valve comprises both of the body 1 in which a vacuum valve device 2 is built and the outlet pipe 4 which is passed through a side wall 1a of the inlet body 1 via a manhole joint 41 and to which sewage water is discharged. In the house inlet U with a vacuum valve, the manhole joint 41 is passed through the side wall 1a of the inlet body 1 and fixed to the side wall 1a, and the outer circumferential surface 4a of the outflow pipe 4 is provided with a pair of reinforcing rings 44 and 45 positioned to the outside in axial directions of both end parts of the manhole joint 41. PCOPYRIGHT: (C)2011,JPO&INPIT