Electric Threaded Ball Valve
Product Description
The electric threaded ball valve adopts an integrated structure and is matched with the electric actuator. It can operate by inputting a (4-20mA DC, 0-10V DC or 1-5V) signal or single-phase power supply. It has strong functions, small size, light weight and low cost. , reliable performance, simple matching, large circulation capacity and other characteristics. At present, the valve is widely used in industrial automation control systems in food, environmental protection, light industry, petroleum, papermaking, chemical industry, teaching and scientific research equipment, electric power and other industries.
Features
Electric threaded ball valves and butt welded ball valves are divided into integral (one-piece), two-stage and three-stage types. The valve body is cast using advanced technology introduced from Taiwan. It has a reasonable structure and beautiful appearance. The valve seat adopts an elastic sealing structure, which is reliable in sealing and easy to start. The valve stem adopts a bottom-mounted structure with an inverted seal. When the valve cavity heats up abnormally, the valve stem will Will not be impacted. Two-piece and three-piece ball valves also have butt welding (BW) and socket welding (SW) connection forms. They can also be equipped with international standard ISO bracket platforms and locking devices.
Electric Threaded Ball Valve (standard Type) Overall Dimensions
Electric Threaded Ball Valve (bracket-free Type) Overall Dimensions
Note: The dimensions in the table are without attachments. In addition, due to product improvement and technological innovation, the data may have certain changes. Please consult the salesperson for specific details.
Working principle of electric ball valve
The electric ball valve mainly relies on the adjustment of the current in the electric actuator to operate the ball valve. The electric actuator input and output signal is a standard signal of 4-20mA and 220VAC power supply. The motor unit drives the gear turbine worm angular torque to control the opening and closing of the ball valve, distribute and change the flow direction of the medium or adjust the proportion of the valve core rotation, that is, The opening of the valve is proportional to the control fluid, or a percentage.
Application Of Electric Ball Valve
Electric ball valves do not require manual operation, but are intelligently operated. In the production process, the environment and site determine all factors. There are different electric ball valves used in high pressure, high temperature or low pressure and low temperature environments. The following points should be noted:
1. For low temperature and low pressure, the material does not require much adjustment.
2. In the case of high pressure and high temperature, high temperature and high pressure resistant materials should be selected as the electric ball valve material, such as stainless steel and alloy. These materials can withstand high pressure and high temperature.
3. The internal parts of the electric ball valve need to be replaced to reduce damage to the valve core, which is also beneficial to the flow of the medium and avoids coking and clogging of the electric ball valve.
4. When the electric ball valve is opened, some vibration-avoiding machinery can be installed to prevent damage to the internal structure of the electric ball valve core when it is opened.
Product Applications
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