The performance of the valve, the valve's material, the sealing structure and the driving device In order to meet the requirements of the process characteristics, operation and fluid...
Selection principle of non-metallic valve seats' or clacks' materials For non-metallic sealed valves, non-metallic valve seats and valve clacks are one of the key factors affecting valve...
API600 Standard gives the definition of a gate valve's internal parts, which refers to the valve stem, the sealing surface of the valve seat, the sealing surface of the valve plate, the upper...
In petroleum, gas, petrochemical, electric power and other industries of harsh production conditions, pipelines and instrumentation valves often need to have the DBB function to meet the...
The Fully Welded Structure The ball valve body is made by welding 6 parts of forged shells after assembling them. The structure of a ball valve is compact and makes the ball valve an integral whole....
According to different driving mode, rising stem gate valve implements opening or closing by using hand wheel drive the nut to make stem linearly up and down. Non rising stem gate valve is opened or closed...