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Umbrella China Non Return Valve

One way umbrella check valve used in bottle cap djt022 products made in china, china manufacturer.Faq 1.Where does the valve you use in 2.What kind of medium the valve come into contact with water, air, gasoline, lubricator or other 3.What is your using temperature 4.What is the opening pressure about the valve 5.What is the approximate size of the valve such as diameter, id.

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