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About product and suppliers:
        Alibaba.com offers 8,343 dn80 flange products. About 17% of these are pipe fittings, 15% are flanges, and 4% are flange. 

A wide variety of dn80 flange options are available to you, such as din, asme, and ansi. You can also choose from stainless steel, carbon steel, and alloy steel. 

There are 8,340 dn80 flange suppliers, mainly located in Asia. The top supplying countries or regions are China, India, and Taiwan, China, which supply 99%, 1%, and 1% of dn80 flange respectively. 

Dn80 flange products are most popular in United States, India, and Australia.