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About product and suppliers:
        Alibaba.com offers 2,542 spectacle blind flange products. About 91% of these are flanges, 1% are flange, and 1% are valves. 

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

There are 2,539 spectacle blind flange suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 95%, 3%, and 1% of spectacle blind flange respectively. 

Spectacle blind flange products are most popular in Domestic Market, Southern Europe, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 1,193 with ISO9001, 727 with Other, and 342 with ISO14001 certification.