Kind of bellows valve stem threads are divided by location external thread type, thread type. Divided by the flow of media in Weifang valve, straight-through, DC type and angle type. Cut-off valve according to the sealing form points, filler valve bellows and bellows sealed stop valves. Shandong Everbright Valve Co., Ltd. specializing in the production valve manufacturers, welcomed the new and old customers to order our products! When the bellows valve opening, valve opening height, the nominal diameter of 25% to 30%, the flow has reached the maximum, that valve has reached the fully open position. So off fully open position of the valve, the valve stroke should be determined. Electric valve responsive, safe and reliable valve, a lot of the control requirements of high plant designed for pneumatic control element is disposed compressed air station. Electric is to electricity. And can control the means of their traffic. Bellows made of stainless steel or Inconel material, a bellows seal design is reasonable, fatigue, long service life. Drive Manual, bevel gear, electric. Connection type flange, welded connections. Valve Co., Ltd. Shandong Everbright produce such a wide range of application types of valves, valve manufacturers, reliable quality, no leakage, leakage phenomenon, frequent switching is not stuck, rusted, the majority of chemical plants, thermal power plants, steel mills, printing and dyeing plants, food plants the best choice. Shandong valves, Shandong Everbright valves, valve by valve Shandong China Everbright Limited. Shandong valves, Shandong Everbright Valves 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 telephone or pictures on this page, for the latest information Contact: Manager Ma.