Which is good rubber duckbill valve supply materials _ _ Serco duckbill valve 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. Features: 100% full rubber structure, can meet a variety of anti-corrosion requirements (according to the actual needs, you can choose different rubber material). 2, do not plug sealed. 3, long life, trouble-free, maintenance-free. 4, no moving parts and mechanical parts, electrical and manual operation without duckbill valve, no noise. 5, a small clamp opening pressure duckbill valve Which is good, more than 0.01 m of head can be opened. 6, under normal conditions, the head loss can be reduced to a very small extent. 7, can transform a variety of installation form, in order to meet customer needs. 8, the installation convenient built-in duckbill valve Which is good, low-cost, low operating costs. Serco Gongyi City Water Supply Material Factory specializes in producing duckbill valve, to provide you with a variety of duckbill valve products, and for you to design and production of special types of duckbill valve products, your satisfaction is our greatest pursuit! The earliest design a stainless steel duckbill duckbill valve when the valve Which is good, in order to cooperate with the national standards, following the provisions of the 800 caliber duckbill valve flange standard mixed GB 1.0Mpa flange bolt holes center distance and diameter, 800 diameter above (inclusive), with reference to GB 0.6Mpa bolt hole center distance and flange outer diameter.