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About product and suppliers:
        Alibaba.com offers 128 double blind flange products. About 64% of these are flanges, 17% are pipe fittings, and 2% are rivets. 

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

There are 128 double blind flange suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of double blind flange respectively. 

Double blind flange products are most popular in Mid East, Domestic Market, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 62 with ISO9001, 35 with Other, and 3 with ISO14001 certification.