| 摘要 |
A device for blocking branches in water supply systems includes an elastic sealing plug that is cross section is in form following curvature of inner surface of the pipe. On the plug two two-lever springs are fixed with cramp, levers of those in assembled position are retained by shaped cramp, this, in its turn, with U-like part goes to opening of fixation cramp and is fixed by pin with cable. The end of the valve is equipped with holder under which another cable is fixed, this provides motion of the device in pipeline. |
