7.5kW 8 Bar Tank Mounted VSD Single Stage Air Compressor

The Elilyi 7.5kW 8 Bar Tank Mounted VSD Single Stage Air Compressor features a fully integrated design, combining the compressor unit and air receiver tank into a single system capable of supplying air at 0.8 MPa. The main compressor unit and the air receiver are rigidly mounted on a shared base; all internal piping connections and airtightness tests are completed at the factory prior to shipment. Users need only connect the power supply and the air outlet pipe to begin operation. Equipped with an IE4-efficiency permanent magnet synchronous motor, the unit's variable frequency drive automatically adjusts motor speed based on real-time air demand. Field tests on the 7.5kW model—operating at 0.8 MPa under a 60% load—demonstrated energy savings of 1.8 kWh per hour compared to standard fixed-frequency piston compressors of equivalent specifications.

We also offer 220V single-phase and 380V three-phase versions, both delivering an air output volume of 0.8–1.0 m³/min. The 220V model is ideally suited for auto repair shops, small workshops, and home-based businesses that lack access to a three-phase power supply. Operating at a noise level of just 63 dB(A)—more than 20 dB lower than traditional piston compressors—the unit can be installed in a corner of the workshop without the need for a dedicated soundproof enclosure. Furthermore, the unit comes standard with an LED digital display controller that provides real-time monitoring of discharge pressure, operating frequency, cumulative runtime, and remaining time until scheduled maintenance. The system automatically shuts down when the target pressure is reached and automatically restarts when the pressure drops; users can easily configure their own upper and lower pressure thresholds for automatic start and stop operations.

Product Specifications:

Note: Air receiver volumes are tailored to specific power ranges: 60–80L is standard for 7.5 kW and below; 120L is standard for 11–15 kW; and 200L is standard for 22 kW. If a larger air receiver is required, a split-type configuration can be customized, or please consult our sales team.

Applications:

The Elily 7.5kW 8 Bar Tank Mounted VSD Single Stage Air Compressor is suitable for the following small to medium-scale air usage scenarios:
1. Rubber Industry
Used for vulcanizer mold release and pneumatic control systems. Maintains a constant pressure of 0.8 MPa, offering 30% energy savings. With a noise level of just 63 dB, it can be placed directly within the workshop, serving as an ideal replacement for traditional piston compressors.
2. Packaging Industry
Designed to support strapping machines and sealing machines. Its integrated, all-in-one design allows for immediate plug-and-play operation; optional filters are available to ensure a clean air supply. With an air output of 1.2 m³/min, it can efficiently power 2 to 3 pieces of equipment simultaneously.
3. CNC Industry
Utilized for chip blowing, pneumatic tool changing, and workpiece clamping. Pressure fluctuations are kept within ±0.01 MPa, ensuring high-precision machining. A 220V version is available, making it perfectly suited for small-scale mold workshops.
4. Glass Industry
Supports glass edging machines, drilling machines, and cutting blow-off operations. The permanent magnet variable frequency drive adjusts output according to demand; its low noise level allows for installation in close proximity to the processing equipment.
5. Ceramics Industry
Used for green body dust removal, glazing control, and brick pressing assistance. The integrated air receiver tank minimizes the need for extensive piping, while the high-efficiency air filter is designed to perform reliably in dust-laden environments.
6. Woodworking & Home Furnishings Industry
Specifically tailored for use with pneumatic nail guns, spray guns, and carving chip removal. The 220V version plugs directly into standard household outlets; it operates quietly at 63 dB and occupies a compact footprint of just 0.53 m².
7. Printing & Dyeing Industry
Supports printing presses, folding machines, and embossing machines. Its stable air supply ensures consistent suction and tension control; an optional air dryer is available to provide a dry air source.
8. Thermoforming Machines
Dedicated for use in positive-pressure mold release and blowing operations. The integrated air receiver tank meets the demands of high instantaneous air consumption, while the 220V version is well-suited for small-scale thermoforming facilities.
9. Vacuum Suction Cups (Workpiece Clamping)
Used in conjunction with CNC machines and engraving machines for securing workpieces. It delivers a positive pressure output of 0.8 MPa to drive vacuum generators, ensuring stable air pressure and preventing workpiece slippage.
10. Material Handling & Central Vacuum Systems
Applied in pneumatic conveying, material cleanup, and centralized air supply systems. Its integrated design simplifies installation, and options for air dryers and precision filters are available to meet specific system requirements.

Company Strength

Guangdong Yili Machinery Equipment Co., Ltd. (brand: Yililai), established in 2010, is a high-tech enterprise in Guangdong Province specializing in the research, development, and manufacturing of permanent magnet variable frequency screw air compressors. The company occupies a factory area of 20,000 square meters, with an annual production capacity exceeding 5,000 units. Its products are exported to over 40 countries and regions worldwide.
For low-power dual-function models, we have established a dedicated production and testing line. Each unit undergoes a 30-minute full-system test with the air tank installed (including pressure retention, temperature rise, noise, and vibration) before leaving the factory. The air storage tanks are nationally certified pressure vessels, equipped with supervision inspection certificates, ensuring safety and compliance.

Quality Inspection and Control Procedure

1. Upon arrival of each batch of raw materials, the Quality Control Center conducts inspection. Materials that pass inspection are notified to the Warehousing and Logistics Department for storage, while those failing inspection are returned.
2. When production begins, on-site quality inspectors conduct checks. Products passing inspection proceed with normal production and samples are sent for performance testing; products failing inspection require adjustment or shutdown. The inspector performs 100% inspection of produced items, and only those passing inspection continue production.
3. Non-conforming products are treated as defective goods.
4. At the end of each shift, the quality inspector performs a final inspection of the products manufactured during that shift. Products passing inspection are approved for storage; those failing inspection undergo rework and are re-inspected. If they pass, they are stored; if not, they are treated as defective goods.
5. Prior to shipment, each batch of product undergoes final outgoing inspection. Products passing inspection are released for shipment; those failing inspection are treated as defective goods.

Customer's genuine feedback

FAQ

What are the differences between the 220V and 380V versions?
Main differences: The 220V version uses single-phase electricity, while the 380V version requires three-phase electricity. In terms of output capacity, the 220V version with the same power is slightly lower by about 15-20% compared to the 380V version (the efficiency of the single-phase motor is slightly lower).

2. Is the noise really only 63 decibels?
When measured at a distance of 1 meter from the machine, for a 7.5KW model operating at full load, the noise level is approximately 63-65 dB(A). This is equivalent to the volume of normal conversation between two people. Placed in the corner of the workshop, it basically does not affect normal work and communication.

3. Will the two-in-one gas storage tank explode?
Absolutely not. The gas storage tank is a nationally certified pressure vessel, with a design pressure that is 1.5 times the maximum operating pressure. Each unit undergoes a pressure retention test before leaving the factory. Moreover, it is equipped with a safety valve, and if the pressure exceeds the limit, it will automatically release the pressure. Please rest assured to use it.

4. Can it be controlled remotely via a mobile phone?
The standard controller supports local settings and display, but does not support remote control via mobile app. If you need remote start/stop or data monitoring, an IoT module can be selected. For details, please contact the sales department.

5. What should I do if it breaks down during the warranty period?
First, call the after-sales service. We will conduct a remote diagnosis. If replacement is needed, the spare parts will be sent to you by express. The whole machine is covered by a one-year warranty and the main unit by a three-year warranty.

7. Can we conduct a machine test or get a refund?
Factory test service is supported (at the Dongguan headquarters). For the machines that have been dispatched, since they are customized with specific configurations, returns due to non-quality issues are not supported without prior reason. However, we can provide solutions such as remote video guidance or accessory re-delivery to address your problems.