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About product and suppliers:
        Alibaba.com offers 17,708 dn50 flange products. About 11% of these are pipe fittings, 4% are flanges, and 2% are flange. 

A wide variety of dn50 flange options are available to you, such as stainless steel, metal, and pvc. You can also choose from iso, din, and gb. As well as from general, beverage, and fluid pipe. And whether dn50 flange is flange, welding, or female. 

There are 17,705 dn50 flange suppliers, mainly located in Asia. The top supplying countries are China, Turkey, and Hong Kong S.A.R., which supply 99%, 1%, and 1% of dn50 flange respectively. 

Dn50 flange products are most popular in Domestic Market, Mid East, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 10,471 with ISO9001, 4,405 with Other, and 3,112 with ISO14001 certification.