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About product and suppliers:
        Alibaba.com offers 1,789 npt thread adapter products. About 62% of these are pipe fittings, 1% are adapters. 

A wide variety of npt thread adapter options are available to you, such as carbon steel, copper, and pp-r. You can also choose from coupling, nipple, and bushing. As well as from male, female, and welding. And whether npt thread adapter is equal, or reducing. 

There are 1,797 npt thread adapter suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and United States, which supply 99%, 1%, and 1% of npt thread adapter respectively. 

Npt thread adapter products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 677 with ISO9001, 132 with Other, and 41 with ISO14001 certification.