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About product and suppliers:
        Alibaba.com offers 340 butterfly valve seal ring products. About 22% of these are seals, 12% are gaskets, and 3% are other rubber products. 

A wide variety of butterfly valve seal ring options are available to you, such as rubber, metal, and nylon. You can also choose from free samples. 

There are 340 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, North America, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 175 with ISO9001, 27 with ISO14001, and 25 with Other certification.