Serco duckbill valve production materials mainly include neoprene, nitrile rubber duckbill valve Which is good, fluorine rubber. Flexible rubber structure, will not deform or freeze when opening and closing. Will not rust or corrode, free backflow device. Serco is a full rubber duckbill valve structure in shape "duckbill", with "forward into the duckbill valve, reverse backstop" a new drainage valve product features. Water is the main resource in our lives, human population growth and water use with highly increased, and sewage will follow. Sewage treatment technology has developed rapidly, but still there will be all kinds of problems, resulting in leakage of sewage discharge duckbill valve and open specifications, environmental pollution caused by second. Which is cheaper duckbill valve according to experience, the general sewage overflows mainly export design of underground sewage outfall duckbill valve problems, sewage accumulated to a certain extent, did not break out, to solve this problem, only the entire duckbill valve sewage Pipeline overall transformation, which requires cooperation and technical support multiple departments. Duckbill valve quotes, Serco supply material (certified), Heilongjiang duckbill valve provided by Serco Gongyi City Water Supply Materials Co., Ltd. Serco Gongyi City Water Supply Materials Co., Ltd. (www.gyxjbcq.com/) is Zhengzhou, gate leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Serco leadership material in the water with the staff warmly welcome all inquiries negotiations to create Serco supply material a better future.