Collect roof rainwater, which is part of the water falling system, concentrated into the rainwater pipe under the ground below.
Falling water pipe material can be divided into: 1. Metal pipe (such as cast iron pipe, color aluminum tube, copper tube, etc.);2. Plastic tubing (such as PVC pipe, etc.)
The falling water pipe material can be divided into:
1. Metal pipe (such as cast iron pipe, color aluminum tube, copper tube, etc.);
2. Plastic tubing (such as PVC pipe, etc.);
The usual specifications of the round tube are 40mm, 50 mm, 75 mm, 90mm, 110mm, 150 mm, 200 mm, 250 mm,
315 mm, 400 mm, 500 mm etc.
The usual specification of square pipe is 80mm* 55mm, 80mm* 63mm, 80mm* 100mm, etc
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