Butterfly installation techniques and how equipped with flange and bolts 1, the installation front-confirm our products performance and media flow arrow is consistent with the movement condition, and insert the valve cavity clean, does not allow seals and butterfly board with impurities foreign body, not before cleaning the disc must not be allowed to close the valve, so as not to damage the seals. 2, the disc supporting flange is recommended to install special flange butterfly valve that HGJ54-91 type socket welding steel flanges, valves Weifang, 3, location of the installation in the pipeline, the best location for the stand equipment, but can not flip. BD343H flanged valve multi-level hard sealed insulation has good cold insulation characteristics, while effectively reducing the pipeline medium heat loss. Mainly used for fluid flow and cut off the best means for regulating the food, pharmaceutical, petrochemical, industrial environments and high-rise buildings and pipelines. Valve Co., Ltd. Shandong Everbright wide production of this type of valve application, reliable quality, no leakage, leakage phenomenon, frequent switching is not stuck, rusty, valve manufacturers, the majority of chemical plants, thermal power plants, steel mills , printing and dyeing, food plants the best choice. 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 the butter is normal, valve manufacturers, 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. Shandong valves, valve, the valve is provided by Shandong Everbright Everbright Valve Co., Ltd., Shandong. 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.