Xuan Sefa evolved from the ball valve, the valve just rotate 90 degrees brass ball valve to use the operation and a very small rotational torque can be closed tight. Valve intracavity full equality for the media to provide a little resistance, through the channel. Usually considered the most suitable for direct ball valve opening and closing done, but recently has been the development of ball valve designed to make it to cut expenditure and control traffic purposes. The main characteristics of the ball valve itself is compact and easy to operate and maintenance, applies to water, solvents, acids and natural gas and other general working media, also apply to poor working conditions of media, such as oxygen, hydrogen peroxide, such as methane and ethylene . Valve ball valve can be overall, it can also brass ball valve be a combination of. Editor for you this week introduced special high-pressure valve Shanghai Co., Ltd. of several different types of ball valve products.