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About product and suppliers:
        Alibaba.com offers 1,655 spectacle blind flange products. About 84% of these are flanges. 

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

There are 1,592 spectacle blind flange suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 93%, 4%, and 1% of spectacle blind flange respectively. 

Spectacle blind flange products are most popular in Southern Europe, Domestic Market, and South Asia. 

You can ensure product safety by selecting from certified suppliers, including 884 with Other, 714 with ISO9001, and 352 with ISO14001 certification.