1、Install pipes in shafts
    If near the head of two branch pipe and an anchor connector, so that the main branch can between two floor vertical expansion or contraction, the distance between two anchor in shaft contact cannot be more than 30 meters, also can use other ways to compensate for inflation. For example, the "expansion branch" is installed from the supervisor's branch.

2、Dark apply pipeline
    The pipe that is inlaid to wall, floor board, sample and so on is able to prevent expansion. Stress and tensile stress are absorbed without damaging the material. If the pipe has an insulating material (to meet the standard), it will allow more expansion.

3、External pipe network
3.1 Use mechanical restraint to prevent expansion of phi 20-50
    Support network also often use steel racks hook is fixed on the tank, and slot can have the effect of fixed tube (use the cable clamp) this construction method can reduce the plastic pipe expansion amount and pipes.

3.2 Compensate for expansion phi 63-110 with expansion loop
    Changes in the direction of the pipe network can be used to compensate the linear expansion. However, in some cases, an expansion loop (" U "loop) is used, which is used for more than 50 pipes. When installing the anchor, take care to separate the pipe into sections, and the expansion force can be directed toward the desired direction.