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About product and suppliers:
        Alibaba.com offers 10,920 one way valve products. About 32% of these are valves, 31% are packaging bags, and 1% are hydraulic parts. 

A wide variety of one way valve options are available to you, such as brass, plastic, and stainless steel. You can also choose from medium pressure, low pressure, and high pressure. As well as from check, ball, and angle. And whether one way valve is gas, water, or oil. 

There are 11,107 one way valve suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Taiwan, which supply 97%, 1%, and 1% of one way valve respectively. 

One way valve products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 2,641 with ISO9001, 1,821 with Other, and 604 with ISO14001 certification.