| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a gas system for imparting the function of a manual valve to a joint for connecting a valve body and a pipe. <P>SOLUTION: This gas system 1 includes a first joint 4 having a flow passage part 11 inside and making fluid flow to the valve body 3 from the pipe 2 by screwing with the valve body 3, and a second joint 5 for fixing the pipe 2 to the first joint 4 by screwing with the first joint 4. The first joint 4 includes a tip part 14a for cutting off an inflow port 10 of a flow passage of the valve body 3 by fastening in the valve body 3, and a branch flow passage 13 for making the fluid flow by branching off from the flow passage part 11 by loosening to the valve body 3. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
