company news about Corrugated Pipe Extrusion Line

Classification of bellows: according to material classification, bellows are mainly divided into metal bellows and plastic bellows.

Plastic bellows is a kind of expandable tubular product made of plastic. Plastic bellows are widely used in civil engineering, municipal engineering and highway bridges because of its material saving, light weight and excellent physical and chemical properties.

Metal bellows is a kind of pipe with wavy shape. The most common metal bellows are carbon steel, stainless steel or electroplated metal with plastic inner layer and outer layer. Metal bellows can be widely used in small angle turning, transmission, expansion, electric power, mechanical industry and other industries.

According to the classification of forming process, bellows can be divided into hydraulic forming bellows, rolling forming bellows, mechanical expansion bellows and deposition forming bellows.