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About product and suppliers:
        Alibaba.com offers 1,413 half flange products. About 14% of these are pipe fittings, 4% are flanges. 

A wide variety of half flange options are available to you, such as carbon steel, stainless steel, and plastic. You can also choose from asme, din, and gb. As well as from standard, nonstandard. And whether half flange is free samples. 

There are 1,392 half flange suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 97%, 1%, and 1% of half flange respectively. 

Half flange products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 793 with ISO9001, 164 with Other, and 108 with ISO14001 certification.