BD343H flange insulation butterfly hard seal Valve Co., Ltd. Shandong is one of China Everbright professional products, Shandong steel valves used in national defense, scientific research, aerospace, electronics, machinery, metallurgy, petroleum, chemicals, energy, environmental protection, biomedicine, refrigeration, food and other fields. Valve Co., Ltd. Shandong Everbright production of such types of valves wide range of applications, reliable, no leakage, leakage phenomenon, frequent switching is not stuck, rusty, valve type, the majority of chemical plants, thermal power plants, steel mills, dyeing, food plants the best choice. Valve fully open to fully closed is usually less than 90 °, valve brand, butterfly and butterfly stroke itself is not self-locking capability, in order to position the disc valves, to install the worm gear on the stem. Using worm reducer, not only can make the disc with self-locking capability, so the disc stop in any position, but also to improve the valve performance. Valve Co., Ltd. Shandong Everbright production of such types of valves wide range of applications, reliable, no leakage, leakage phenomenon, frequent switching is not stuck, rusted, the majority of chemical plants, thermal power plants, steel mills, printing and dyeing, the best choice for food factory. Butterfly installation techniques and how equipped with flange and bolts metal sealing butterfly valve products are not suitable for installation in the pipeline terminus, such as piping must be installed in the end, to be taken equipped with outlet flange, seals prevent the backlog, have gone too far. Stem regularly check valve installation response effect, found fault immediately removed. Failure may occur even if the elimination method. Shandong Everbright Valve Co., Ltd. specializing in the production valve manufacturers, welcomed the new and old customers to order our products! Shandong high temperature and pressure valves, valve, Valve Co., Ltd. Shandong by Shandong Everbright Everbright valve. Shandong Everbright Valve Co., Ltd. (www.sdgdfm.com) located in Weifang City, Shandong Province, Cravens District Bao Tong Street North Makers Industrial Park. Scraps and development in the wave of market economy, the current Everbright valve has a high profile in the ball, and enjoys a good reputation. Everbright valve made whole network business alliance certification, marking our service and management level has reached a new height. Everbright valve staff willing to work with all people of insight and common development, for a better future.