If the pneumatic valve buried deeper, the operating mechanism and display the distance from the ground ≥1.5m, valve manufacturers, pole should have added facilities, and fixed rate stability for the people to observe and operate from the ground. That is, the pipe network in the valve opening and closing operation, should not go down operations. Shandong Everbright Valve Co., Ltd. specializing in the production valve manufacturers, welcomed the new and old customers to order our products! Only clear specifications, type, working pressure of pneumatic valve procurement practices to meet the procurement requirements of the valve, in the current economic environment, the market is imperfect. Because the pneumatic valve manufacturers under competitive products for the respective pneumatic valves are unified design concept, with different innovations, they formed their own company standards and product personality. Therefore, when the pneumatic valve procurement more detailed technical requirements, coordinating with manufacturers to reach a consensus, temperature and pressure valves, pneumatic valve procurement as an annex to the contract is necessary. Cylinder head unit equipped with a pneumatic - manual conversion devices. Converting the handle clockwise to mention "Air" positioning hole location, the valve is pneumatically operated state; conversely, converting the handle counterclockwise to mention the "manual" is scheduled for hole positioning, valve can be manually operated. Change the direction opposite to the handle with a bevel gear. When operating valve manual hand wheel rotation and, like ordinary manual valve that is turned OFF clockwise, counterclockwise turned ON. With bevel gears in reverse. 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. _ Everbright Z641F cast steel valves pneumatic valve (certified) _ Valve Co., Ltd. by Shandong Everbright valve. _ Everbright Z641F cast steel valves pneumatic valve (certified) _ Valve Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) this year introduced a new upgrade, the above picture is for reference only, please call the contact picture on this page or telephone obtain the latest information, Contact: Manager Ma.