AIRERA 75kW VSD: Redefining Modern Workshops with 76dB Quiet Two-Stage Efficiency
This AIRERA 75kW industrial two-stage variable-speed drive air compressor delivers a powerhouse air supply solution tailored for manufacturing enterprises pursuing peak energy efficiency and premium workshop standards. Through deep synergy between two-stage compression and an advanced VSD system, it yields exceptional air volume and electricity savings compared to single-stage units, driven to drastically lower the total cost of ownership in daily operations. To overcome the universal industry challenge of excessive operational sound from high-power machinery, this model features a comprehensive internal acoustic engineering upgrade that successfully suppresses running noise to below 76 dB, supplying massive, reliable compressed air without the deafening uproar typical of traditional setups. This flawless integration of top-tier energy performance and a workshop-friendly quiet design not only guarantees 24/7 high-efficiency automated production but also enables enterprises to establish a green, healthy, and workforce-centered modern manufacturing facility.
Large-size color LCD touch screen, with a good human-machine communication interface, the touch screen has anti-mistouch and sleep functions;Completely monitor various parameters of the machine, including voltage detection, three-phase unbalance detection, overvoltage, overtemperature, etc., without special supervision;configure the Internet of Things, you can check the operating status of the unit on the mobile phone.Independent air duct design, suitable for various working conditions.
The air compression chamber is completely separated from the oil chamber. The air side adopts a non-abrasive sealing system with a spring-loaded metal ring, and the lubricating oil side adopts a non-abrasive sealing system with a copper labyrinth seal. The two do not contact.
- Independent air intake system
Independent air intake ensures that the intake air temperature is equal to the ambient temperature. Large-capacity air filter is used to achieve better filtering effect, lower intake pressure loss, and energy saving and high efficiency. Maintenance and replacement are more convenient.
Technical Specifications -AGCD-75II VP Diesel Portable Compressor
AGCD-75II VP Diesel Portable Compressor Parameters
| ITEM |
UNIT |
MODEL AGCD-75II VP |
| Air capacity |
m³/min |
6.08`15.2|6.06-15.15|5.0`12.5|4.74`11.85 |
| Working pressure |
MPa |
0.7~1.3 |
| Compressor type |
|
Oil inject dual stage screw compressor |
| Cooling type |
|
Air cooling
|
| Driven type |
|
Direct driven |
| Inlet status Temperature |
℃ |
≤45 |
| Inlet status Pressure |
MPa |
Atmospheric pressure |
| Inlet status Relative humidity |
|
≤90% |
| Noise Level |
dB(A) |
≤76 |
| Residual oil content |
ppm |
≤2 |
| Drive rotor speed |
rpm |
1500 |
| Compressed air outlet temperature |
℃ |
Ambient temperature＋10 |
| Cooling air flow |
m3/hr |
10200 |
| Control mode |
|
Intelligent controller |
| Safety valve set pressure |
MPa |
0.77-1.43 |
| Lubricating oil volume |
L |
50 |
| Lubricating oil brand |
|
ROTORCOMP |
| Compressed air outlet connection |
|
G2 |
| Dimension L |
mm |
1850 |
| Dimension W |
mm |
1300 |
| Dimension H |
mm |
1450 |
| Net Weight |
kg |
1400 |
| Motor Model |
|
YPM-225M2-6 |
| Motor Speed |
rpm |
1485 |
| Motor Rated Power |
KW |
75 |
| Motor Service factor |
|
1.2 |
| Motor Protection type |
|
IP55 |
| Motor Efficiency |
|
IE3 |
| Motor Startup mode |
|
Frequency conversion starting |
| Motor Voltage |
V |
380(Special on request) |
| Motor Frequency |
Hz |
80-200 |
| Motor Rated current |
A |
139 |
| Motor Weight of motor |
kg |
515 |
CALT AGCD-75II VP Diesel Portable Compressor: Frequently Asked Questions (FAQ)
Compared to fixed-speed two-stage compressors, what advantages does the 75 kW two-stage VSD compressor offer when handling "peak and valley" air demands on the production line?
Air consumption in large-scale industrial workshops typically fluctuates drastically with different production processes. Fixed-speed machinery can only enter a high-energy "unloading" state during low-demand valleys, wasting electricity for nothing. Conversely, the AIRERA 75 kW VSD system tracks real-time line pressure fluctuations and precisely reduces motor speed during low-demand periods to produce air strictly on demand. This flexibility ensures the equipment always operates within its optimal efficiency range, eliminating the severe power wastage caused by traditional unloading.
Why does the two-stage compression design achieve a lower discharge temperature? What practical, long-term significance does this hold for continuous industrial production?
During the compression process, air temperature rises sharply as pressure increases. The two-stage compression design features a highly efficient intercooler between the first and second stages to thoroughly cool the air after initial compression. This not only drastically lowers the final discharge temperature but also significantly mitigates thermal degradation of the compressor oil, seals, and bearings, substantially extending the lifespan of wearing parts and reducing the risk of unexpected breakdown maintenance in the workshop.
How does the "soft-start" feature of the VSD system protect both the factory power grid and the mechanical components of the equipment?
When traditional high-power 75 kW compressors start directly or via star-delta starters, they generate a massive surge current up to 4 to 7 times the rated current, causing severe fluctuations in the factory's internal power grid and exerting immense mechanical shocks on gears and couplings. The VSD system achieves a "zero-surge soft start" through smooth adjustments from low to high frequencies, keeping the startup current strictly within the rated current, which effectively protects the workshop's power distribution system and vastly extends the service life of the mechanical drive train.
