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About product and suppliers:
        Alibaba.com offers 1,029 flapper valve products. About 42% of these are valves, 1% are pipe fittings. 

A wide variety of flapper valve options are available to you, such as pressure reducing, check, and control. You can also choose from rubber, casting, and stainless steel. As well as from high temperature, medium temperature, and normal temperature. And whether flapper valve is gas, base, or water. 

There are 1,029 flapper valve suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of flapper valve respectively. 

Flapper valve products are most popular in Western Europe, North America, and South America. 

You can ensure product safety by selecting from certified suppliers, including 661 with ISO9001, 115 with Other, and 71 with ISO14001 certification.