Export a batch of large diameter ptfe lined bellow expans joint

The PTFE expansion bellows is a layer of PTFE material added to the inside of the ordinary bellows to protect the internal corrugated structure and prevent corrosion damage to the bellows through the medium.

1.High pressure resistance

2.High temperature resistance

3.Acid and alkali resistance

4.Oil resistance

5.Wear resistance

6.Corrosion res

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