It is well known in the rubber under certain conditions corrosion. Good rubber with a unique formula created by the duckbill valve is soaked in water where there are decades of life. So that's why duckbill valve can replace the main door shot back pressure duckbill valve, which is more widely used duckbill valve reasons. Flexible rubber duckbill check valve, so called because of shaped like a duckbill duckbill valve, this product has a flange connections and clamp connecting the two. Duckbill check valve flexible since the market on their own advantages in the short time to occupy a favorable position in the market is expected if the adaptability of the product under development and the use of the environment and better conditions duckbill valve Atlas, can completely replace the beat categories of metal products check. The most notable feature optional mounting flange, clamp type, built-in and so is the easy accessibility samples duckbill valve, maintenance-free, low cost, and environmental protection. Duckbill valve standard duckbill valve _ _ Hubei Water Materials Co., Serco provided by Serco Gongyi City Water Supply Material. Serco Gongyi City Water Supply Materials Co., Ltd. (www.gyxjbcq.com/) strong, credible, in Zhengzhou, Henan Province of valve industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Serco water into the brilliant material and you work for a better future!