1、Advanced valve seat: many years of experience in the manufacture of ball valves and the design of the valve seat to ensure that the valve sealing, low friction coefficient, small operating torque, a variety of seat materials, to adapt to a wide range.

2, the switch of the handle without error: the use of flat stem, and the connection of the handle will not be misplaced, thus ensuring that the handle indicates the switch state and the valve a speech.

3、Locking device: In order to prevent the valve switch misoperation, there are locking holes in the valve fully open and fully closed position to ensure that the valve is in the correct position.

4、Stem anti-flying structure: the valve stem is down-loaded to prevent the pressure from flying out, and at the same time can be after the fire, and the valve body to form a metal contact, to ensure that the valve stem sealing.