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  • POWERPACK AJ11 / AJ21 / AJ41 Nireco

  • Mã SP:
  • Giá : Liên hệ
  • Mã sản phẩm: AJ11 / AJ21 / AJ41

    Xuất sứ: Japan

    Liên hệ tư vấn: 0917.943.068
    Email: chien@tmpvietnam.com

    Công Ty TNHH và DV Tăng Minh Phát là nhà phân phối chính thức của hãng NIRECO tại việt nam, chuyên cung cấp các thiết bị đo lường  hãng NIRECO tại Việt Nam, NIRECO Việt Nam


The Powerpack is an actuator that controls a load such as a valve. 
As its output shaft performs rotary motions it is suitable for controlling a final control element of rotary type such as a butterfly valve.


The Powerpack is a kind of an electro-hydraulic actuator.
It is of the proportional positioning type and has a hydraulic work piston that is proportional to the electrical system, with the function of converting a DC electrical signal (DC 4-20mA) into a motion of the hydraulic work piston.
The Powerpack is of a structure that unitizes the current-hydraulic pressure converter unit, the hydraulic pump and the work cylinder, and it does not require external piping.

  • Usable as an actuator for various electronic controllers.
  • The actuating speed is high and a large actuating force can be obtained because actuation is performed by using hydraulic pressure on reception of an electrical signal.
  • Maintenance is easy and reliability is high because of a moving coil system incorporating a hydraulic jet pipe and a stable permanent magnet.
  • As the casing serves as an oil tank and all parts are contained in the interior, no external piping is required.

The Powerpack consists of an electro-hydraulic converter, a hydraulic unit, a crank unit and a work cylinder. All of these components are installed in an oil tank made of cast iron.


Common Specifications
Input signal 4 - 20mA DC
Resistance of moving coil 470Ω+0Ω/-50Ω(at25˚C)
Floating band 1.50%
Linearity ±2%
Maximum crank arm rotation 60 degrees
Length of crank arm 300mm
Control action Proportional action Operating direction
Normal: Crank arm turns counterclockwise with input signal up.
Reverse: Crank arm turns clockwise with input signal up.
Installation Horizontal
Hydraulic oil temperature +10 - +70˚C
Paint color Silver
Specifications by model
Model AJ11 AJ21 AJ41
50HZ 60HZ
Motor kW 0.4 0.75 1.5
Max.Operating torque kN·m Max 1.42 1.71 2.15 4.12
Min 1.02 1.23 1.53 2.95
Max.speed with no load degree °/sec 2.4 7 8.5
Max. operating pressure MPa 1 1.2 1.2 2.3
Jet pipe hydraulic pressure MPa 1 1.2 1.2 0.8
Diameter of jet pip mm 2 1.6 1.6
Auxiliary piston None With CV2 With CV2
Cylinder dia.x stroke mm Ø125×150 Ø125×150 Ø125×150
Hystresis error (no load) % 1 1 1
Overshooting (no load ) % 1 1 1
Amount of oil required 27(w/ACC:34) 27(w/ACC:34) 27(w/ACC:34)
Hydraulic pump type Fixed Variable
Rotating direction of motor Revers Normal
Ambient temperature ˚C -20 - +55 -20 - +55 -20 - +60
Mass. (including hydraulic oil) kg 175 180 195

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