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What is the national standard wall thickness of dn32 galvanized steel pipe?

The wall thickness of galvanized steel pipes of national standard d25 is 25mm, and the wall thickness of dn32 is 5 mm. The main use of galvanized pipes is often mentioned now mainly for transporting gas and heating. Galvanized pipes are used as water pipes. After several years of use, a large amount of rust will be produced in the pipes. The yellow water flowing out not only contaminates the sanitary ware, but also is mixed with bacteria growing on the uneven inner wall. Rust causes excessive content of heavy metals in water, which seriously endangers human health. In the 1970s, developed countries in the world began to develop new types of pipes and successively banned galvanized pipes.

- The national standard thickness of DN32 is 5 mm. - The national standard thickness of DN40 is 5 mm. - The national standard thickness of DN50 is 5 mm. - The national standard thickness of DN65 is 5 mm. - The national standard thickness of DN80 is 4 mm. - The national standard thickness of DN100 is 4 mm. - The national standard thickness of DN125 is 5 mm. - The national standard thickness of DN150 is 5 mm. - The national standard thickness of DN200 is 0 mm.

DN32 (nominal outer diameter 44mm): The ordinary national standard wall thickness is 5mm, and the thickened wall thickness is 0 mm. DN40 (nominal outer diameter 43mm): The ordinary national standard wall thickness is 5mm, and the thicker wall thickness is 5 mm. DN50 (nominal outer diameter 60.3mm): The ordinary national standard wall thickness is 8mm, and the thickened wall thickness is 5 mm.

pc tube specification model

PC pipes have various specifications and models, divided according to shape, purpose and size. Common specifications include transparent pipes and threading pipe standards with diameters of Φ5mm to Φ400mm (such as DN16-DN160).

If it is made of polycarbonate (PC) pipe (1) General specifications reference: DN15 model PC pipe has an outer diameter of 32 mm, a wall thickness of 3 mm, and a regular single roll length of 6 meters; the colors are divided into transparent, blue and gray. There are three types, transparent PC pipes must comply with GB18153 standards, and blue PC pipes are mostly used for drinking water pipes.

The transparent PC tube has complete specifications and supports multi-dimensional customization. The nominal outer diameter covers Φ5mm-Φ400mm or more, the thickness can be selected from 0.5-30mm, and the length can be flexibly adjusted. Outside diameter specification The nominal outside diameter includes 24 conventional models, the minimum is Φ5mm and the maximum is Φ400 mm.

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