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About product and suppliers:
        Alibaba.com offers 414 butterfly valve seal ring products. About 16% of these are seals, 4% are other rubber products. 

A wide variety of butterfly valve seal ring options are available to you, such as rubber, ptfe, and metal. You can also choose from nonstandard, standard. As well as from mechanical seal, o ring, and floating seal. And whether butterfly valve seal ring is free samples. 

There are 414 butterfly valve seal ring suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of butterfly valve seal ring respectively. 

Butterfly valve seal ring products are most popular in Domestic Market, Southeast Asia, and North America. 

You can ensure product safety by selecting from certified suppliers, including 258 with ISO9001, 33 with Other, and 25 with ISO14001 certification.