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, seal and butterflies are not allowed in the board impurities with foreign bodies, 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 BD343H special sealed insulation butterfly that HGJ54-91 type socket welding steel flanges, 3, installation location in the pipeline, the best place to stand equipment, but not flip. Quality objectives: one, to make every effort to provide customers 100% qualified products and satisfactory service; Second, the use of advanced technology and equipment flange butterfly hard seal insulation product quality to maintain the domestic advanced level, and in line with the international advanced level. Valve Co., Ltd. Shandong Everbright produce such a wide range of application types of valves, butterfly valves, reliable quality, no internal leakage, leakage phenomenon, frequent switching is not stuck, rust, the majority of chemical plants, thermal power plants, steel mills, dyeing food plant the best choice. Flanged butterfly hard seal insulation manufacturers | Butterfly | Everbright Everbright Valve Co., Ltd. Shandong is provided by the valve. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) is a specialist in the "valve" of the company. Since its inception, we adhere to the "good faith, sound management" approach, the courage to participate in healthy competition in the market, so that the "Everbright" brand has a good reputation. We adhere to the "service first, customers first" principle, so that the valve Everbright won the trust of customers in the congregation ball, and establish a good corporate image. Special Note: This information is for reference pictures and information, please contact us to obtain the most accurate information, thank you!