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About product and suppliers:
        Alibaba.com offers 19,492 sampling valve products. About 20% of these are valves, 1% are valve balls, and 1% are hydraulic parts. 

A wide variety of sampling valve options are available to you, such as low pressure, high pressure. You can also choose from manual. As well as from standard. And whether sampling valve is stainless steel, or plastic. 

There are 19,235 sampling valve suppliers, mainly located in Asia. The top supplying countries are United States, China (Mainland), and Hong Kong, which supply 1%, 98%, and 1% of sampling valve respectively. 

Sampling valve products are most popular in United States, Australia, and Canada.