Shut off valve

Shut off valve is a widely used mechanical product in each country's economy. You can find valves commonly used in the following fields like oil, nature gas, coal, metallurgy, mining, refinery, pipe transportation, petrochemical, chemical, pharmacy, food production, power plant, water supply / drainage, heat supply, air supply, marine, vehicle, airplane, spacecraft, military, new tech, irrigation and many other flowing systems.


There are self-driven valves and operated valves. self-driven valves( like safety valve, relief valve, steam trap, check valve ) are functioning by utilizing its mechanical design or the pressure, direction of its flow medium.operated valve( like gate valve, globe valve, ball valve, butterfly valve ) is fuctioning by actuator( manual, electric, hydraulic, pneumatic etc. ) or the pressure , flow direction of its medium. due to the differences of pressure, temperature, flow, and physical-chemical character of its medium , there are different requirements in designing and applying the pipeline system.therefore there are numerous types of valve.according to an unofficial statistics, there are more than four thousand types of valve with approximately forty thousand specifications in China. Obviously, valve is an important element in the social economy.


The main working theory of solenoid valve is that there is a fully closed cabinet inside the solenoid valve,with holes in different position. each hole is connected with different hose.the Ball valve manufacturers is centered with two electric magnets aside, when the power is on, the valve will be pulled to that side.though the movement of the valve, the hole which is connected to the hose will be closed / open, the oil inlet is always open, the hydraulic oil flows to different hoses and push the cylinder piston by its pressure.the piston drives the piston stem and then the equipment into movement. by this means, the mechanical movement can be controled by controling the electricity of solenoid valve. 



shut off valve

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Date start27.07.2017 17:53
Date end27.07.2020 23:59
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