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About product and suppliers:
        Alibaba.com offers 1,229 rubber duckbill check valve products. About 62% of these are valves, 16% are pipe fittings. 

A wide variety of rubber duckbill check valve options are available to you, such as check, plug. You can also choose from rubber, stainless steel, and casting. As well as from normal temperature, medium temperature. And whether rubber duckbill check valve is medium pressure, or low pressure. 

There are 1,231 rubber duckbill check valve suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Ireland, which supply 99%, 1%, and 1% of rubber duckbill check valve respectively. 

Rubber duckbill check valve products are most popular in Domestic Market, Mid East, and North America. 

You can ensure product safety by selecting from certified suppliers, including 1,229 with ISO9001, 237 with Other, and 234 with ISO14001 certification.