Rubber sewage valve Main purpose: applied waterproofing systems, drainage systems, water pump outlet duckbill valve, lifting the lower pumping stations and liquid aeration system Main features: Rubber and valve body into one mosaic duckbill valve, extremely easy to install. Body all-rubber design, will not cause the phenomenon of siltation and something stuck duckbill valve discharge, reduced maintenance costs, and allows smooth by solid particles. Body Manufacturing Material: Neoprene, Hai Pulong duckbill valve uses NBR rubber and ethylene-propylene rubber, etc; Material: Q235,304,316 like. Large sewage treatment plant flexible rubber joints installed indicators: Connector Specifications: [DN32mm-DN4000mm] Connector Color: Black, kind color see merchandise display images Scope: [acid, alkali, corrosion, oils, hot water, cold water , compressed air, natural gas, etc.] joint Material: eco-friendly high quality synthetic rubber; products are environmental pollution, toxic substances such as lead-free damper rating: A-level, particularly good damping Operating temperature: -40 degrees to 80 degrees (. High temperature can be processed rubber joints) discharge duckbill valves, duckbill valve, Serco supply materials provided by industry-leading Serco Gongyi City Water Supply Materials Co., "PTFE lined rubber joints, standard waterproof casing, duckbill valve, power connector, stainless steel rubber joints" preferred Serco Gongyi City Water Supply Materials Co., Ltd. (2), the company is located in: West Town Industrial Park, Henan Province, over the years, Serco supply materials to provide customers the best quality service, Contact: Zhang. Welcome to the new and old customers call, letter, visit the guide, business negotiations. Serco supply material expect to be your long term partner!