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About product and suppliers:
        Alibaba.com offers 158,612 air valve products. About 24% of these are valves, 4% are pneumatic parts, and 1% are refrigeration & heat exchange parts. 

A wide variety of air valve options are available to you, such as stop, angle, and check. You can also choose from plastic, casting, and brass. As well as from low pressure, medium pressure, and high pressure. And whether air valve is water, acid, or gas. 

There are 157,498 air valve suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Turkey, and Taiwan, which supply 98%, 1%, and 1% of air valve respectively. 

Air valve products are most popular in North America, Domestic Market, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 73,654 with Other, 48,430 with ISO9001, and 6,592 with ISO14001 certification.