Trunnion Mounted ball valve with actuators
DBV trunnion mounted ball valve is a new generation of high-performance ball valve, which is suitable for long-distance pipeline and general industrial pipeline. Its strength, safety and resistance to harsh environment have been specially considered in the design, and is suitable for all kinds of corrosive and non corrosive media.
Compared with the floating ball valve, when working, the force generated by the fluid pressure in front of the valve on the ball is transmitted to the bearing, which will not move the ball to the valve seat, so the valve seat will not bear excessive pressure. Therefore, the fixed ball valve has small torque, small valve seat deformation, stable sealing performance and long service life. It is suitable for high-pressure and large-diameter occasions. The advanced spring pre seat assembly has self tightening characteristics to realize upstream sealing. Each valve has two seats, which can be sealed in each direction, so the installation has no flow restriction and is two-way. This valve is generally installed horizontally.
DBV trunnion mounted ball valve advantages:
1. Labor saving operation
2. Reliable sealing performance
3. Fireproof structure
4. Automatic pressure relief function
5. Drain line
Double blocking and discharge function: the fixed ball valve adopts spring preloaded floating valve seat. No matter whether the valve is fully open or fully closed, the valve seat on the upstream and downstream sides blocks the fluid, and the residue in the cavity of the valve body is discharged through the discharge valve.Automatic pressure relief function: in case of abnormal pressure rise caused by the temperature rise of the staying medium in the valve body cavity, it does not need to pass through the safety valve, but can automatically relieve the pressure only by the valve seat function, which is very important to ensure the safety of the valve when transporting liquid medium.Fire safety structure: all valves have fire safety function, and their design and manufacture comply with the requirements of API 607 and API 6fa specifications.
Fixed ball valve is applicable to various pipelines of class150 ~ class1500, PN16 ~ PN100 and JIS 10K ~ JIS 20K. It is used to cut off or connect the medium in the pipeline. Different materials are selected. It can be used to transport water, steam, oil, nitric acid, acetic acid, oxidizing medium, urea, etc. it is widely used in petroleum refining, long-distance pipeline, chemical industry, papermaking, pharmacy, water conservancy, electric power Municipal, steel and other fields. The driving mode of fixed ball valve is worm gear drive, manual, pneumatic or electric. Fixed ball valves are generally connected by flange or butt welding.