Department is equipped with a pneumatic cylinder head - manual conversion devices. Converting the handle clockwise to mention "pneumatic" positioning hole location, the valve is pneumatically operated state; on the contrary, it is converted to mention the handle counterclockwise to the "manual" is scheduled for hole positioning, valve can be manually operated. Change the direction opposite the handle with a bevel gear. Valve operation manual hand wheel rotation and manual valves, like the ordinary, that turned off Shandong valve clockwise, counterclockwise into the open. With bevel gears in reverse. Valve Co., Ltd. Shandong Everbright produce such a wide range of application types of valves, reliable, no internal leakage, leakage phenomenon, frequent switching is not stuck, rusty Z641F pneumatic valve manufacturers, the majority of chemical plants, thermal power plants, steel mills , dyeing, food plants the best choice. Both sides of the valve pneumatic valve packing and shipping should be located light blocking plate solid seal. Medium and small-diameter valve pneumatic valve should be tied to rope, and transported to suitable container. Large diameter valves are also simple wood frame solid packaging to avoid collision damage during transport. Valve Co., Ltd. Shandong Everbright valve manufacturer specializing in the production, welcome new and old customers to order our products! Z641F pneumatic valve, pneumatic valve, 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!