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About product and suppliers:
        Alibaba.com offers 11,856 expansion flange products. About 89% of these are pipe fittings, 1% are valves, and 1% are other rubber products. 

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

There are 11,881 expansion flange suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Japan, which supply 98%, 1%, and 1% of expansion flange respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 11,779 with ISO9001, 2,748 with Other, and 1,402 with ISO14001 certification.