PRODUCTS
-
Edge Position Control Systems
- High Functionality EPC/CPC Amplifier SGA3100
- Inductive Autowide Sensors AWI Series
- PHOTOHEAD PH50, PH51
- Linear Sensor LSF4096
- Analog Position Transmitter FW80
- Modular Strip Guide system controller MGC1000
- Electromagnetic CPC Sensor Model:EMW
- Capacitance Autowide AWC Series
- Electromagnetic Guidance NS-CPC Sensor
- AUTOWIDE™AWL
- PHOTOHEAD PH30, PH31
- Strip Guide Amplifier SGA3000
- PILOTJET
- Power Guide PG300, 500, 800
- Analog Position Transmitter FW22, FW31
- High-precision Position Transmitter GYKM-LT
-
Measuring Systems
-
Actuators
-
Movie
POWERPACK AJ11 / AJ21 / AJ41
Overview
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.
Feature
- 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.
Composition
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.
Specifications
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(50HZ) | AJ11(60HZ) | AJ21 | AJ41 |
|---|---|---|---|---|
| Motor | 0.4 | 0.4 | 0.75 | 1.5 |
| Max.Operating torque (kN·m) | Max: 1.42 Min: 1.02 |
Max: 2.15 Min: 1.23 |
Max: 2.15 Min: 1.53 |
Max: 4.12 Min: 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) | 2.0 | 1.6 | 1.6 | |
| Auxiliary piston | None | width CV2 | width 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 (ℓ) | 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 | |
Contact Us
Please use this form to submit your inquiries, feedback and/or requests to NIRECO.
Tokyo +81-42-660-7358
Osaka +81-6-6190-5550
