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About product and suppliers:
        Alibaba.com offers 1,756 bw flange products. About 43% of these are pipe fittings, 10% are flanges, and 1% are flange. 

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

There are 1,756 bw flange suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of bw flange respectively. 

Bw flange products are most popular in Northern Europe, Southern Europe, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 1,603 with Other, 1,488 with ISO9001, and 662 with ISO14001 certification.