75kW Standalone Low Pressure VSD Air Compressor

The 75kW Standalone Low Pressure VSD Air Compressor is designed to integrate seamlessly with and upgrade a customer's existing air supply system. The pressure range is customizable from 3 to 6 bar, covering a wide spectrum of low-pressure applications including purging, pneumatic conveying, and general pneumatic operations. Featuring permanent magnet variable speed drive (VSD) technology, the unit adjusts its speed on demand to ensure stable air pressure. Its compact design boasts a low failure rate, making it an ideal choice for energy-saving retrofits, new installations, or the replacement of existing low-pressure air sources.

The unit is factory-configured to lock in any specific pressure setting (ranging from 3 to 6 kg/cm²), requiring no subsequent modification. It is ideally suited for applications involving low-pressure purging, pneumatic conveying, textile air supply, dust removal, and general pneumatic systems. Featuring a native low-pressure air-end, the unit delivers linear and stable air pressure output, free from fluctuations or pressure surges. It is fully compatible with both retrofitted legacy systems and newly constructed piping networks, thereby eliminating the need for external pressure-regulating valves.

Our product is equipped with high-precision rotors that undergo dynamic balancing correction to ensure minimal vibration. The machine frame and air ducts have been optimized to effectively suppress resonance. With its low noise levels, the unit requires no dedicated soundproof enclosure; it can be placed directly within workshops, alongside assembly lines, or adjacent to dust removal equipment without disrupting operations. Furthermore, the integrated display screen provides real-time monitoring of pressure, temperature, load rate, and diagnostic fault codes. A constant-pressure control algorithm automatically adjusts motor speed to ensure smooth loading and unloading transitions, maintaining a consistently stable air pressure output. This minimizes frequent start-stop cycles, thereby extending the service life of both the motor and the main air-end. Operation is straightforward, allowing for easy commissioning and adjustment by general personnel.

Featuring a self-contained, standalone design with no external auxiliary components, the unit boasts a compact footprint that saves valuable space. It can be positioned in equipment-dense areas or tucked away in confined corners. The system offers flexible integration capabilities, allowing it to connect seamlessly with a customer's existing air storage tanks, filters, and refrigerated dryers. Routine maintenance is simple, requiring only the replacement of the three primary filters (air, oil, and oil separator) and the replenishment of lubricant. Spare parts are standardized and readily available, resulting in low overall maintenance costs.

Product Specifications:

Applications:

The 75kW Standalone Low Pressure VSD Air Compressor is widely applicable across various sectors, including process air supply for textile dyeing and printing plants, pneumatic conveying of powdered materials, high-pressure blow-down for workshop dust removal, surface dust removal for hardware components, pneumatic support for light industry packaging lines, low-pressure air sourcing for workstations in electronics factories, auxiliary air supply for environmental protection equipment, and centralized low-pressure air supply for piping networks in newly constructed industrial facilities.

Brand Background — Compressed Air System Manufacturer

Elily is a recognized National High-Tech Enterprise specializing in the R&D, manufacturing, and customized system solutions for compressed air applications. Our product portfolio encompasses a comprehensive range of air compressors, covering variable-frequency and fixed-frequency models, standalone and integrated units, as well as high-pressure and low-pressure variants. Our core strengths lie in our medium-power, low-pressure variable-frequency compressor models—specifically the 37kW, 55kW, and 75kW units—backed by years of proven expertise in R&D and customization.

Production Base

Located within the Industrial Park in Liaobu Town, Dongguan City, our facility covers a total area of 20,000 square meters, including 8,000 square meters of modern, standardized factory space.
The site features dedicated assembly lines for medium-power models, as well as performance calibration laboratories. This enables us to independently handle the parameter customization, complete unit assembly, and full-load factory testing for our 37–75 kW low-pressure air compressors.

Quality Standards

We strictly adhere to the EEAT standards: Experience, Expertise, Authority, and Trustworthiness. Extensive Real-World Applications:With numerous successful implementations—including low-pressure air supply systems for the textile, environmental protection, and light industry sectors—we possess a deep understanding of the critical pain points associated with industrial low-pressure air usage.

Technical Service Capabilities

Our technical team is equipped to provide comprehensive solutions—ranging from equipment selection and piping layout to complete low-pressure air source systems—tailored specifically to on-site airflow requirements and customized pressure specifications.

Global Cooperation

We are fully prepared to handle export orders, offering services such as voltage/frequency customization, support for certifications (including CE), export-compliant packaging, and customs clearance assistance. We warmly welcome long-term partnerships with overseas distributors and engineering firms.

Logistics & Delivery

We maintain a comprehensive domestic distribution network. Our variable-frequency, low-pressure air compressors are packaged in export-grade, fumigation-free wooden crates, featuring shock-absorbing cushioning layers and reinforced corners to prevent collision damage.
For domestic customers, in-stock items are shipped within 3–5 business days of payment receipt. We offer flexible delivery options, including direct transport to your facility or pickup at a designated logistics hub. Shipments are fully trackable throughout the entire journey; in the event of transit damage, we provide free replacement parts or a complete unit exchange.
For international clients, we support FOB (Shenzhen/Guangzhou) and CIF (Destination Port) terms, providing a complete set of export documentation and assistance with customs clearance.

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FAQ

1. Can the 75kW Standalone Low Pressure VSD Air Compressor be customized?
Yes. This unit supports pressure customization within the 3–6 kg/cm² range. At the factory, the required working pressure can be pre-set to match the customer's specific on-site operating conditions, eliminating the need for subsequent pressure adjustments or modifications. It directly meets the air supply requirements for equipment such as low-pressure purging and pneumatic conveying systems.

2. Does this standalone unit require a dedicated air receiver tank?
No. This is a purely standalone model without a built-in air receiver tank. It can be directly connected to the customer's existing air receiver, filters, and refrigerated air dryer to form a complete low-pressure air supply system. This offers great flexibility, making it ideal for retrofitting old workshops or replacing aging equipment.

3. What are the advantages of a Permanent Magnet Variable Speed Drive (VSD) compared to a standard fixed-speed compressor?
The permanent magnet VSD motor automatically adjusts its speed based on actual air demand, thereby reducing energy consumption during idle periods and achieving overall energy savings of over 30%. Its variable-frequency soft-start feature eliminates electrical current surges on the power grid and minimizes air pressure fluctuations. Furthermore, during 24-hour continuous operation, it generates less heat and offers a longer service life.

4. Does it support different voltages and frequencies?
Yes. We can customize the voltage (e.g., 220V, 380V, 400V, 415V, 440V, etc.) and frequency (50Hz / 60Hz) to suit the specific requirements of the destination country or region. Please specify your requirements when placing an order.

5. Is the operating noise level high? Can it be used inside a workshop?
The entire unit features an optimized structure designed for vibration reduction and noise suppression. It operates with low vibration and low noise levels, eliminating the need for a separate soundproof compressor room. It can be placed directly within the production workshop, alongside assembly lines, or next to environmental protection equipment for convenient, close-proximity use without disrupting daily production operations.

6. Is the packaging suitable for sea freight?
The unit is packed in export-grade, fumigation-free wooden crates. The interior features shock-absorbing cushioning layers, and the corners are reinforced to prevent impact damage, making it suitable for long-distance transport via both sea and land. In the unlikely event of transit damage, we will provide free replacement parts or a brand-new replacement unit.

7. Do you support FOB or CIF terms? What documentation is provided?
We support various trade terms, including FOB (Shenzhen/Guangzhou) and CIF (Destination Port). We provide a complete set of export documentation (Commercial Invoice, Packing List, Certificate of Origin, Bill of Lading, etc.) and offer assistance with customs clearance procedures.