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About product and suppliers:
        Alibaba.com offers 138 npt blind flange products. About 68% of these are flanges, 2% are flange, and 1% are valves. 

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

There are 137 npt blind flange suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Turkey, and Taiwan, which supply 97%, 1%, and 1% of npt blind flange respectively. 

Npt blind flange products are most popular in Mid East, Domestic Market, and North America. 

You can ensure product safety by selecting from certified suppliers, including 52 with ISO9001, 33 with Other, and 11 with ISO14001 certification.