Butterfly installation techniques and how to be equipped with a flange and bolts, install front-confirm our products performance and media flow arrow is consistent with the movement condition, and insert the valve cavity clean BD343H valve manufacturers, are not allowed in the ring and butterfly board with impurities foreign body, before unwashed never allow close the disc, so as not to damage the seals. 2, the disc is recommended installation of supporting flange butterfly valve flange Shandong special valves that HGJ54-91 type socket welding steel flanges, 3, location of the installation in the pipeline, the best place to stand mounted, but not down loading. Butterfly has a simple structure, small size, light weight, material consumption province BD343H flanged butterfly insulation, installation of small size, fast switching, 90 ° reciprocating rotary drive torque characteristics of small, used to cut, turn, regulate pipeline The medium, having good fluid sealing properties and closing control characteristics. Valve Co., Ltd. Shandong China Everbright production of such types of valves wide range of applications, reliable quality, no internal leakage, leakage phenomenon, frequent switching is not stuck, rust, the majority of chemical plants, thermal power plants, steel mills, printing and dyeing, the best choice of food plants. BD343H butterfly | Everbright valve (certified) | butterfly valves Everbright Limited provided by Shandong. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) Shandong Weifang, ball leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Everbright valve leadership with the staff warmly welcome all inquiries negotiations to create a better future for China Everbright valve.