Views: 0 Author: Site Editor Publish Time: 2018-05-08 Origin: Site
The structure of the electric ball valve is simple, it consists of only a few parts, and the data is saved; the volume is small, the weight is light, the installation dimension is small, the driving torque is small, the pressure regulating valve is simple and agile, and it can be quickly started by simply rotating 90°. Closed; and also has a good flow regulation and sealing characteristics, in large and medium diameter, medium and low pressure applications, electric ball valve is the dominant valve situation. When the electric ball valve is in the fully open position, the thickness of the butterfly plate is the only resistance when the medium flows through the valve body, so the pressure drop through the valve is very small, so it has better flow control characteristics. Electric ball valve has two types of seals: elastic seal and metal seal. Elastic sealing valve, sealing ring can be mounted on the valve body or attached around the butterfly plate. Metal-sealed valves generally have longer life than elastomer-sealed valves, but they are difficult to seal completely. Metal seals can accommodate higher operating temperatures, while elastomeric seals have temperature limitations. If an electric ball valve is requested for use as a flow control, it is important to accurately select the size and type of the valve. The construction principle of the electric ball valve is particularly suitable for manufacturing large-diameter valves. Electric ball valves are not only widely used in general industries such as oil, gas, chemical and water disposal, but also used in the cooling water system of thermal power plants. The commonly used electric ball valve has two types of electric clamp ball valve and flange type electric ball valve. The clip-type electric ball valve is connected with the valve between the two pipe flanges with stud bolts. The flanged type electric ball valve is provided with a flange on the valve. The two ends of the valve flange are connected to the pipe flange with bolts. The strength performance of the valve is the ability of the valve to withstand medium pressure. The valve is a mechanical product that suffers from internal pressure and must therefore have sufficient strength and stiffness to ensure long-term use without creating a crack or deformation.
The function is a kind of pipeline pressure element of industrial automation process control, usually used for remote opening and closing (switching on, cutting off media) control of pipeline media.
Features: Adopting an integrated structure, single-phase power supply AC220V and DC power supply 24VDC can control the operation; small size, light weight, reliable performance, simple matching, large flow capacity and other advantages.