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About product and suppliers:
        Alibaba.com offers 5,163 adapter coupling products. About 63% of these are pipe fittings, 1% are shaft couplings, and 1% are bolts. 

A wide variety of adapter coupling options are available to you, such as plastic, stainless steel, and carbon steel. You can also choose from coupling, flange, and tee. As well as from female, male, and welding. And whether adapter coupling is equal, or reducing. 

There are 5,163 adapter coupling suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of adapter coupling respectively. 

Adapter coupling products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 2,311 with ISO9001, 529 with Other, and 290 with ISO14001 certification.