DKZ type linear electric actuator, an execution unit in DDZ type electronic unit combined instrument, accepts signals from a regulating unit (or computer) and automatically controls the actuator to complete regulating tasks. It is widely applied to power stations, chemical,petroleum, metallurgy, building materials, heat supply,light industry, water treatment and other industries. DKZ type electric actuator with various electric manipulators which can achieve undisturbed switching of"Manual Auto" of the regulating system for remote manual operation on an object to be regulated in a timely manner. DKZ series electric actuator is divided into three types of products: electronically integral, ordinary, and explosion-proof.
Specifications
Technical Parameters
1. Input signal: Type II 0-10mA DC; Type III 4-20mA DC
2. Input channel: 3
3. Input channel impedance: Type II 200Ω; Type III 250Ω
4.Output torque: See table above
5.Total travel time: See table above
6.Limit of basic error:±2. 5%
7.Dead zone:≦3%
8.Damping characteristic:≦three-and-a-half cycles
9.Return difference:≦1. 5%
10. Power supply voltage: 220V (±10%, ±15%) at frequency of 50Hz
11. Service environment temperature: Actuator:-10~+55C or -25~+70°C; Amplifier: 0~+50°C
12. Relative humidity of service environment: Actuator:≦95%; Amplifier: 10%-70%
Product features
1.The product has reasonable structure, strict production technology and quality management, so that the high reliability of the actuator is ensured, with Mean Time Between Failure (MTBF) >25000 hours.
2.The position transmitter switching circuit has high induced voltage resistance, and its performance exceeds similar products at home and abroad.
3.The travel control cams can be independently adjusted without interference, so that the adjustment is easy and convenient.
4.The AC single-phase motor is used in the high torque actuator to bring convenience to the use of the automatic control system.
5.The motor brake wheel made of special materials has the characteristics of reliable braking, long service life, and superior to similar products.
Installation dimensions
For the overall and installation dimensions of the actuator, see figure.
Terminal wiring diagram
Related Products
DKI-B explosion proof type electric actuator is a DDZ type electronic instruent combination which accepts output signals firom the regulating unit and automatically completes regulating tasks. The actuator is mainly applied to power stations. chemical, petroleum, metal-lurgy, mine and other explosion proofplaces. The explosion proof electric actuator is designed and manufactured in accordance with national standards GB3836.1-83 and GB3836.2-83 for explosion proof electric equipment,and examined and approved by the national explosion proof identification authority.
DKJ-M electric actuator, an execution unit in DDZ type electronic unit combined instrument, accepts signals from a regulating unit (or computer) and automatically controls the actuator to complete regulaing tasks. It is widely applied to power stations chemical, petroleum, metallurgy, building materials heat supply, water treatment and other industries. DKJ type electric actuator with various electric manipulators can achieve undisturbed switching of Manual-Automatic of the regulating system for remote manual operation on an object to be regulating a timely manner.
DKI-Z electric actuator, an execution unit in DDZ type electronic unit combined instrument, accepts output signals from a regulating unit and automatically controls the actuator to complete regulating tasks. It iswidely applied to power stations, chemmical, petroleum metallurgy, building materials,light industry and other industries. DKJ-Z electric actuator is directly connected with various butterfly valves, ball valves and other valves at the rotating angle of 90 for use. The direct mounted quarter-tum electric actuator is installed directly on the valve flange, so that the tedious work such as construction ofa base configured linkage mechanism necessary for use of the ordinary quarter-turn electric actuator is avoided, which reduces the cost and improves the regulation precision.
DKJ-D(DY-J) series electric actuator is an all-electronic new product successfully developed by our plant on the basis of the ordinary type DKI electric actuator by absorbing foreign advanced technology and applying new foreign technology and new devices, and it has intelligent functions with integration of control circuit and the mechanism. DKI-D(DY-I type electric actuator can directly accept DCS from a computer or 4-20mA or 1-5V from various regulating units,automatically control various dampers, valves, baffles and other regulating mechanisms without additional configuration of servo amplifier, and it can be widely applied to power stations, metallurgy, petroleum,chemicaland other industries.
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