Butterfly is a circular disc for opening and closing member and with the stem rotation to open, close and adjust a valve fluid channel. Butterfly valve plate is mounted on the pipe diameter direction. Cylindrical channel in the valve body, disc-shaped disc around the axis of rotation, the valve vendors, rotation angle between 0 ° ~ 90 °, the rotation to 90 °, the valve is fully open state. 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. Valve fully open to fully closed is usually less than 90 °, valves, butterfly valves and butterfly stroke itself is not self-locking ability, for the disc positioning, valve supplier to the installation of 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 Connection with flanged, wafer, welded connections and lug wafer connection. Drive the form of a manual, worm gear, electric, pneumatic, hydraulic, electro-hydraulic actuator linkage, enabling remote control and automation. 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. Valve Suppliers | Valves | Valve Co., Ltd. Shandong by Shandong Everbright Everbright valve. Valve Suppliers | valves | valve Shandong Shandong Everbright Everbright Valve Co., Ltd. (www.sdgdfm.com) this year introduced a new upgrade, the above picture is for reference only, please call the telephone or pictures on this page, for the latest information Contact: Manager Ma.