Threaded and butt welding power station ball valve

The ball valve has reasonable structure, beautiful appearance. Seat is elastic sealing structure, reliable sealing, easy opening and closing. Have pour sealing bottoms structure is used to the valve stem, valve cavity when the abnormal pressure, the valve stem will not be rushed out. All can with the international standard ISO support platform and locking device. Can be set up to switch positioning mechanism under the 90 degree. according to the need to lock,it can prevent