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About product and suppliers:
        Alibaba.com offers 1,731 bw flange products. About 39% of these are valves, 8% are flanges, and 1% are flange. 

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

There are 1,731 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 Mid East, Northern Europe, and Southern Europe. 

You can ensure product safety by selecting from certified suppliers, including 1,527 with Other, 1,433 with ISO9001, and 622 with ISO14001 certification.