摘要 |
The present invention relates to a valve assembly, which comprises a connection pipe body having a pipe inside for guiding air supplied from an air supplying pipe to a vent pipe; a pressure reducing valve which is installed on the pipe formed on the connection pipe body to regulate the air supplied from the air supplying pipe and accordingly discharge the same to the vent pipe; a bypass pipe which is separated from a pipe to connect the air supplying pipe to the pressure reducing valve and is connected to the vent pipe by detouring the pressure reducing valve; and a plug unit which is installed on the pipe to connect the air supplying pipe to the pressure reducing valve to control the opening and closing the bypass pipe according to forward and backward movement. In the present invention, air supplied from the air supplying pipe is supplied to the vent pipe quickly by detouring the air via the bypass pipe when the pressure reducing valve fails to operate. |