BD343H flange butterfly hard seal insulation jacket, also known as butterfly, is based on the common three eccentric metal seal butterfly valve on the external body welding a metal jacket, butterfly valve body on both sides of the insulation jacketed Interface You can culvert into superheated steam or other gases to prevent the media to solidify or crystallize state at room temperature. Insulation valve flange than ordinary metal seal butterfly to freshman two specifications, mainly used in petroleum, chemical, metallurgical, pharmaceutical and other types of systems. Valve fully open to fully closed is usually less than 90 ° Shandong stainless steel valves, butterfly valves and butterfly stroke itself is not self-locking capability, in order to position the disc Shandong high temperature and pressure valves, to be installed on the stem worm reducer. Weifang using worm reducer valve, 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 to use equipped with flange and bolts needed to regulate the flow, there are worm gear box control. Open and close the valve more frequently, in about two months time, the worm opens the lid to check whether the normal butter should maintain the right amount of butter. Check the connection site requires compression, which is to ensure filling of bees, but also to ensure a flexible stem rotation. Weifang 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.