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About product and suppliers:
        Alibaba.com offers 4,469 union connection pipe products. About 79% of these are pipe fittings, 1% are plastic tubes, and 1% are steel pipes. 

A wide variety of union connection pipe options are available to you, such as iron, stainless steel, and plastic. You can also choose from welding, female, and flange. As well as from equal, reducing. And whether union connection pipe is casting, or forged. 

There are 4,364 union connection pipe suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 99%, 1%, and 1% of union connection pipe respectively. 

Union connection pipe products are most popular in Domestic Market, North America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 2,082 with ISO9001, 785 with Other, and 309 with ISO14001 certification.