Installation of bellows

Double wall corrugated pipe is a new type of pipe. The outer wall structure is annular, the inner wall is smooth, and the diameter is high. It is mainly used in the construction industry. Let's take a look at the installation steps of the corrugated pipe:

PE double wall corrugated pipe installation instructions:

1. PE double wall corrugated pipe is laid horizontally, connecting the pipe slide pipe to the exhaust pipe, which is 20-50cm higher than the outdoor pipe.

2. Rectangular pit shall be excavated according to the actual size of PE double wall corrugated pipe, and 50mm concrete shall be used as cushion.

3. When installing, keep your left and right parallel, the front high and the angle low (angle 5O). The distance between the rear end of the pipe and the wall is generally kept between 20-25cm. In some cold areas, the pipeline and the place without cover can be covered with a moisturizing layer. First, fine sand is used for compaction, and then 2cm cement concrete mortar is used for leveling.