Our heavy type pneumatic and hydraulic actuators provide global customers with the latest in valve actuation design. It is a highly unique and reliable means of operating ball valves, butterfly valves and plug valves along with 90 degree rotating mechanisms.
An axial check valve is the preferred solution for critical non-return applications such as the protection of rotating equipment and systems where low pressure loss, stable operation and dynamic behaviour are essential. That means the Axial Flow Control Valve is design for special applications requiring high flow capacity, the precise control from a linear motion closure member, and reduced turbulence and vibrational effects.
The structure and application of the center line butterfly valve have the following points: 1. Adopt two-section valve stem without pin connection, simple and compact structure, extremely convenient for maintenance and disassembly (on-site disassembly);
Working principle of this sanitary water meter check valve:It needs pressure about 6kpa to open the valve if the check valve is installed in a vertical pipe. Maximum pressure for conveying material is 1000Kpa. The proper temperature scope is -10°C-140°C.
Lift type plug valve according to the sealing surface material can be divided into soft seal and hard seal two kinds. The basic principle is to make the cock rise when it is opened, and the valve can reduce the friction with the sealing surface of the valve body when the cock rotates 90 degrees to the full open process. When closing the valve, turn the cock 90 degrees to the closed position and then drop to contact the sealing surface of the valve body to seal.