Aeration type duckbill valve wholesale prices _ _ Serco duckbill valve supply materials provided by Serco Gongyi City Water Supply Materials Co., Serco Gongyi City Water Supply Materials Co., Ltd. (www.gyxjbcq.com/) is specialized in the "PTFE lined rubber joints, standard waterproof casing, duckbill valve, power connector, stainless steel rubber joints" of the enterprise, the company adhering to the "integrity business, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Zhang. 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) making materials Serco duckbill valve mainly include neoprene, nitrile rubber, fluoro rubber. Flexible rubber structure, not deformed or freeze when you turn on and off. Will not rust or corrode, free backflow device. Kiyonga duckbill valve is a full rubber structure, in shape "duckbill", with "Forward into the reverse backstop" a new drainage valve product features. It is calculated based on stress analysis and stress, for different conditions of stainless steel duckbill valve wholesale prices, using different mechanisms mosaic design duckbill valve wholesale prices, the use of different rubber formulations, made in accordance with a special process. When forward, the water inflow from imports, tiny pressure aeration type duckbill valve wholesale prices, will be able to open the valve duckbill valve, the greater the pressure, the valve is opened, the greater the water flow. Reverse work, valve naturally closed, sealing the backstop, back pressure, the more tight valve, sealing the better. It is widely used in a variety of municipal effluent outfall, water, sewage treatment, etc., to prevent intrusion, back, is the ideal product to replace shoot the door.