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About product and suppliers:
        Alibaba.com offers 473 double female pipe coupling products. About 95% of these are pipe fittings, 1% are shaft couplings, and 1% are hydraulic parts. 

A wide variety of double female pipe coupling options are available to you, such as coupling, union, and elbow. You can also choose from iron, stainless steel, and carbon steel. As well as from female, welding, and male. And whether double female pipe coupling is equal, or reducing. 

There are 477 double female pipe coupling suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Turkey, which supply 93%, 4%, and 1% of double female pipe coupling respectively. 

Double female pipe coupling products are most popular in Mid East, Domestic Market, and North America. 

You can ensure product safety by selecting from certified suppliers, including 333 with ISO9001, 119 with Other, and 60 with ISO14001 certification.