In order to meet users to achieve automatic operation, the company in addition to the supply of the product, also available separately including stents, including the cylinder block, helping users to the existing wide range of manual valve to transform part of the cylinder actuator manual valve body mounted on a large cover, can constitute a pneumatic cylinder - manual dual gate. Shandong Everbright Valve Co., Ltd. specializing in the production valve manufacturers, welcomed the new and old customers to order our products! Material category ① pneumatic valves pneumatic valve sealing surface varies, sealing method and material requirements vary; ② ordinary wedge gate valve, copper ring material, fixation methods, polishing should explain; ③ soft sealing valve, the valve plate rubber lining physical chemistry of materials and health testing data; ④ valve sealing surface should be marked on the body sealing surface materials and butterfly board material; their physical and chemical test data, in particular the health requirements of rubber, anti-aging properties, wear resistance; usually nitrile rubber and EPDM rubber, valve manufacturers, is strictly prohibited mixed with recycled plastic. In order to meet users achieve operational automation, valves, the company in addition to the supply of the product outside of the valve manufacturer, is also available separately including stents, including the cylinder block, helping users to the existing wide range of manual valve to transform, Weifang valve, the cylinder actuator portion of the installation manual gate valve body large cover, can constitute a pneumatic cylinder - manual dual gate. Shandong Everbright Valve Co., Ltd. specializing in the production valve manufacturers, welcomed the new and old customers to order our products! Price _ _ cast steel 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.