Now the pipe-joint technology is universal used in the linking construction of the diaphragm wall because of its connection speed, high-performance, energy-saving, low consumption.

When the pipe joint screw, should follow the principle of diagonal twist, not one by one in order to operate, do not screw the screw die, so that the correct installation of rubber gasket.

The groundwater level above pipe bottom and anti-infiltration of pipe joint are the decisive factors affecting the groundwater infiltration rate.