Butterfly (English: butterfly valve) is closed parts (valve or disc) to the disc around the valve axis to achieve the opening and closing of a valve Weifang valve on the pipe and cut off from the main throttle use. Butterfly is a disc-shaped opening and closing parts of the disc, in the valve body rotating around its own axis, so as to achieve the purpose of opening and closing or adjusting. Valve Co., Ltd. Shandong Everbright wide production range of applications of this type of valve, reliable quality flanged butterfly hard seal insulation prices, no internal leakage, leakage phenomenon, frequent switching is not stuck, rust, the majority of chemical plants, thermal power plants, steel mills, printing and dyeing, food plants the best choice. [BD343H insulation flange seal butterfly] Introduction BD343H flange seal butterfly [insulation] Medium: acid / base / salt / water / vapor / gas / oil and so on. BD343H insulation flange butterfly valve is widely used in petroleum / chemical / fertilizer / smelting / Electricity / Water / Building / wine / Paper / pharmaceutical industries. Flanged butterfly hard seal insulation prices, butterfly valve type Everbright Everbright Limited provided by Shandong valve. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) strong, credible, Shandong Weifang ball industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Everbright valve into the brilliant and you work for a better future!