ETQ Series integral Non-intrusive electric valve actuators
ETQ Non-intrusive actuator : control parameters set and electric valve alignment can be conducted without opening the cavity ,which avoids the damage of internal components due to careless use while ensuring good proection performance of the machine .
Intelligent control : opening failure diag nosis functtion maintaining of valve position at loss of power ,automatic correction of phase sequence and open-phase protection,motor overtemperature protection and instantanesous reversal protection.
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Description
ETQ Series integral Non-intrusive electric valve actuators
Secifications and main performance parameters
| Model | Output torque (N.m) | Output speed (r/min)M | aximum stem diameter(mm) | single -phase 220v motor power (Kw) | Three-phase 380v motor power (Kw) | Operation hours at 90°(s) | Reference weight （kg) |
| ETQ2 | 100 | 1/2 | 32 | 0.04 | 0.025 | 15/8 | 18 |
| 150 | 0.04/0.06 | ||||||
| 200 | 0.06 | ||||||
| ETQ3 | 300 | 0.5/1 | 32 | 0.04 | 0.06 | 30/15 | 23 |
| 400 | 0.06 | 0.09 | |||||
| ETQ4 | 600 | 0.5/1 | 42 | 0.09 | 0.12 | ||
| 900 | 0.18 | 0.18 | 30/15 | 30 | |||
| 1000 | 0.2 |
Position sensor : use high quality coder to measure the resolution and capable of stable performance .The measurement and control of the rotating position of output shaft is accurate and the repeat deviation of the load position meets the standard requirement of less than or equal to 1.
Infrared remote control : capable of the set of product operating parameter ,field operation and fault signal query ;
Magnetic knob switch : capable of the conversion of field and remote control ,control of valve switch ,parameter setting and other operations .It is non-penetrating strucutre of the Hall element in the mgnetic wire trigger .
Special Motor: in line with nation regulations ,applicable to the characteristics of the valve load, with stable electronagnetic parameters and built-in temperature control components and capable of a variety of control requirement of the machine ;
Torque mechanism: the torque control is stable , repeatability is higher than the standard ,and it can fully meet the requirements for valve torque control and overload protection ,It also meets the standard requirement that the torque repeat deviation shall be less than or equal to 10%;
LCD display : the human machine interaction of the product uses LCD display , which has the features of high definition ,high brightness ,high contrast and high reliability ,it can display the menu and can observe the travel position ,torque status and other information in real time. It can also receive the infrared remote control instructions ;
The main control unit : comprised of MCU microprocessors ,very large scale integration and other components .the design and manufacturing process is excellent ,which is the hardware base for achieving control functions of the product;
Mechanical transmission pair : simple and reliable structure,high transmission efficiency and low noise .the processing prcision of the structural alloy steel worm and the copper alloy worm gear is high ,the heat treatment process is advanced ,and the bearing capacity and the service life meet the standard requirements ;
Power ouput shaft :uses spline coupling which brings great convenience to the valve connection alignment ;
Manual /Electric switching and manual mechanism : semi-automatic electric is at priority, and the performance is stable and reliable;
Sealing structure and terminal blocks board : the wiring chamber of the product is double seal ,which ensures seal of the electrical control chamber at field wiring. the design of the terminal block board is reasonable with enough terminals .the wiring chamber is spacious .so that it is easy to conduct field wiring operaion.
