QT series electric actuators are used to control valves that rotate 0 degree -90 degree and other similar products, such as butterfly valves, ball valves, dampers, flapper valves, plug valves, shutter valves, etc. They can be widely used in various industries such as petroleum, chemical industry, water treatment, shipbuilding, papermaking, power stations, heating and heating, building automation, light industry, etc. It uses 380V/220V/110V AC power supply. DC24V DC power supply is the driving power supply, and 4-20mA current signal or 0-10VDC voltage signal is the control signal, which can move the valve to the desired position and realize its automatic control. This product has obtained CE and explosion-proof certification, and the product quality is guaranteed.
The housing of the part-turn series intelligent electric actuator is made of aluminum alloy, which has the characteristics of beautiful appearance and light weight. The transmission part has a planetary gear structure. QT series electric actuators can be equipped with Modbus, Profibus-DP, HART, FF, Device_Net field bus cards according to user requirements to realize bus communication function. To adapt to various harsh working conditions and harsh environments, intelligent split electric actuators can be used. For occasions with frequent adjustments, corresponding intelligent electric actuators can be used, and the adjustment frequency can reach 1200 times/hour.
★The two-stage gear plus two-stage planetary gear transmission mechanism improves the mechanical efficiency by more than 50% compared with the worm gear mechanism of traditional models;
★The gears are made of high-quality structural steel, which greatly reduces mechanical wear;
★The manual/electric disturbance-free switching is realized, which completely solves the problem of high failure rate of manual/electric switching in traditional models;
★Small size, large load-bearing capacity, and life span is more than doubled;
★The protection level meets the IP67 electrical protection standard and ExdIICT4 explosion-proof standard requirements
Power supply: Single phase: 220Vac/50Hz
Three phase: 380Vac/50Hz (other power supplies are optional);
Input signal: DC24V, AC220V or passive dry contact, DC4~20mA (regulatory type only);
Output signal: 4 groups of field configurable output contacts, 1 group of remote indication output contacts, 1 group of fault alarm output contacts;
Protection level: Waterproof type IP67;
Flameproof type: ExdII CT4;
Ambient temperature: -30 degree ~+70 degree (optional -40 degree ~+70 degree )
Terminal block: *Enough terminals for user convenience, up to 22 terminals *Ensures tightness, tight wiring, and extremely high reliability
Heater: *7~10W, ceramic cover, also acts as a thermostat to adjust the temperature, prevent overheating, automatically shuts off at 65 degree * No risk of leakage
Anti-drop bolts: *The cover bolts are specially designed to prevent them from falling off during maintenance and assembly *All external bolts are made of stainless steel and will not rust
Drive: using a high-performance fully enclosed squirrel cage motor as the power source;
*Enough terminals for user convenience, up to 22 terminals
*7~10W, ceramic cover, also acts as a thermostat to adjust the temperature, prevent overheating, automatically shuts off at 65 degree
Anti-drop bolts:
Founded in 2014, Freya mainly deals in fluid control products and services such as actuators, electric valve actuators, electric valves, etc., focusing on the process industry field. It has long been committed to providing professional fluid control solutions for process industries such as electricity, steel, building materials, and water treatment. According to actual working conditions, through necessary field surveying and technical briefing, it provides customers with safe, economical, and environmentally friendly selection and design, strictly supplies and guides installation and commissioning in accordance with contract requirements, and hands over for use when the standards are met. Thanks to the trust of the majority of users, through long-term and large-scale on-site field services and effective accumulation of technical experience, the company accurately understands the real needs, pain points, and expectations of users and market equipment manufacturers. The intelligent electric actuators developed and produced by the company based on its own patents are reliable, durable, easy to use, cost-effective, and guaranteed service. Being close to users, providing full-process services, bottom-up services, and value-added maintenance services to escort users' production is our differential advantage. Freya SD intelligent electric actuators and valve electric devices provide a two-year warranty after installation and commissioning, and free after-sales service for life. Technical quality and commercial credit are the foundation of the company's survival and the two wheels that drive the company's development. The only standard for evaluating our work results and demonstrating our existence value is that users feel assured, worry-free and happy. The company's many customers are distributed in the fields of thermal power, petrochemicals, coal chemical industry, water treatment, etc., all over the country, including more than 100 end users belonging to the five major power generation groups, the three major nuclear power groups, Sinopec, PetroChina and local energy groups.
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