Compared with similar industrial compressors, our 55kW low-pressure VSD standalone model features superior performance and remarkable competitive strengths.
Key Selling Points:
1. Pure Standalone Structure
Designed as an independent host unit without built-in air tank or dryer. It connects seamlessly to customers’ existing air supply systems, supporting flexible system configuration and convenient future equipment upgrades.
2. Widely Customizable Low-Pressure Range
Working pressure can be customized from 3 bar to 6 bar, fully covering common low-pressure industrial applications including air purging, pneumatic conveying and general pneumatic operations.
3. High-Efficiency Permanent Magnet VSD Motor
Adopts premium permanent magnet variable-speed technology to adjust operating speed according to real-time air demand. It achieves energy savings of more than 30% and supports stable 24-hour continuous operation.
4. Lossless Direct-Drive Transmission
Direct-drive structure eliminates belt transmission power loss and mechanical wear. It greatly reduces failure rates and improves overall operational stability.
5. Professionally Calibrated Low-Pressure Air End
Equipped with a dedicated low-pressure air end with factory preset and pressure-locked parameters. No secondary pressure reduction modification is required, ensuring ultra-stable and consistent air pressure output.
6. Low-Vibration & Low-Noise Precision Rotors
High-precision dynamically balanced rotors minimize vibration and running noise. The unit can be installed directly inside standard workshops without additional noise reduction facilities.
7. Intelligent Constant-Pressure Control System
Advanced VSD intelligent controller maintains stable constant-pressure operation. It displays real-time pressure, temperature, load status and fault codes, enabling intuitive monitoring and simple daily operation.
8. Compact & Flexible Installation Design
With a streamlined and compact structure, the unit supports flexible layout and is fully compatible with customer-existing air tanks, refrigerated dryers and filtration systems for easy system integration.
9. Universal Standard Consumables
All core consumable parts, including air filters, oil filters, oil-gas separators and special lubricants, adopt universal industrial standard specifications. Parts are widely available, effectively lowering long-term maintenance and operating costs.
| Parameter | Specification |
| Product Model | 55KW Standalone Low Pressure VSD Air Compressor |
| Rated Power | 55KW |
| Motor Type | Variable Frequency Motor |
| Transmission Mode | Direct Coupling Transmission |
| Compression Mode | Single-stage Compression |
| Pressure Range | 3-6 kg, Customizable and Adjustable |
| Control Mode | Microcomputer Intelligent Variable Frequency Control |
| Cooling Method | Forced Air Cooling |
| Machine Structure | Single Unit Without Integrated Air Storage Tank |
| Operating Characteristics | Automatic Frequency Conversion, Constant Pressure Air Supply, Low Vibration and Low Noise |
| Applicable Power Supply | 380V/50Hz Industrial Power |
| Applicable Working Conditions | Industrial Low-pressure Purging, Pneumatic Conveying, Workshop Centralized Air Supply |
| Applicable Scenarios | Textile Printing and Dyeing, Dust Removal and Purging, Light Industry Assembly Line, Material Conveying |
This low-pressure VSD air compressor suits a wide range of industrial scenarios. It is ideal for process air supply in textile printing and dyeing factories, pneumatic conveying of powder materials, high-pressure air blowing for workshop dust removal, and surface cleaning of hardware parts.
It also provides stable pneumatic power for light industry packaging and assembly lines, low-pressure air supply for electronic factory workstations, auxiliary air support for environmental protection equipment, and centralized low-pressure air supply systems for newly built industrial parks and production facilities.
Elily owns a professional engineering team with in-depth experience in advanced air compressor research and development, providing strong and reliable technical support for product iteration and customization.
We specialize in the R&D, production and global sales of a full lineup of screw air compressors, including industrial frequency, single-stage permanent magnet VSD, two-stage compression permanent magnet VSD, low-pressure and portable models, as well as industrial blowers and vacuum pumps. All permanent magnet variable frequency compressors have obtained national Level 1 energy efficiency certification, representing industry-leading energy-saving performance.
Our Guangdong manufacturing base is located in Liaobu Town, Dongguan, covering a standardized factory area of more than 20,000 square meters. Equipped with advanced production equipment and complete professional testing systems, we implement strict quality control standards throughout production, assembly and factory inspection.
All core components adopt high-end certified configurations: Taiwan Hanbell high-precision air ends, Level 1 energy efficiency permanent magnet VSD motors, and Zhongchen split-type frequency converters. Auxiliary parts are all sourced from top domestic brands to ensure stable operation, high efficiency and long service life of the complete machine.
Our air compressor equipment serves a wide range of industrial sectors, including rubber processing, packaging, plastics, CNC machining, glass, ceramics, leather production, woodworking and furniture manufacturing, electronics, central vacuum systems, material conveying, as well as textile printing and dyeing industries.

We provide a 1-year full machine warranty, while key core components — including the permanent magnet motor, screw air end, and frequency converter — enjoy an extended 2-year warranty period.
Lifetime free technical support is available for all purchased equipment, including low-pressure parameter calibration, professional performance tuning, and remote online fault diagnosis and troubleshooting.
We ensure a 2-hour rapid response for all after-sales inquiries. For major industrial cities across China, on-site engineer inspection and maintenance can be arranged within 48 hours.
Free supporting services cover installation positioning guidance, wiring instructions, customized pressure parameter setup, and professional operational training. We also provide both English and Chinese user manuals plus standardized maintenance tutorial videos for daily operation reference.
Common consumables and spare parts — such as air filter elements, compressor lubricant, oil separators, frequency controllers and solenoid valves — are kept in sufficient stock, supporting fast replacement and delivery within 48 hours.
Optional annual maintenance packages are available, including regular operating condition evaluation, scheduled consumable replacement, and comprehensive full-machine performance inspection, ensuring long-term stable and efficient equipment operation.
We have built a sound nationwide distribution network to guarantee efficient product delivery.
Our 55kW Standalone Low-Pressure VSD Air Compressor adopts export-standard fumigation-free wooden cases for packaging, equipped with shock-absorbing liners and reinforced corner protectors to avoid collision and impact damage during transit.
For Domestic Buyers
In-stock products will be dispatched within 3 to 5 working days after payment confirmation. Multiple flexible delivery modes are available, including exclusive truck delivery straight to your factory or self-pickup at logistics warehouses. Full tracking information is accessible for the whole shipping journey. If any damage occurs during transportation, we supply free spare part replacements or complete unit exchange solutions.
For Overseas Buyers
We accept FOB (Shenzhen / Guangzhou) and CIF (destination port) trade terms. A full suite of standard export documents will be supplied, alongside professional guidance to smooth your customs clearance process.











Elily 55kW Standalone Low-Pressure VSD Air Compressor | On-site Operation Video at a Jiangsu Metal Processing Plant — Verified 30% Energy Savings.
Q: Can the working pressure of the 55kW Standalone Low-Pressure VSD Air Compressor be customized?
A: Absolutely. We preset and lock any target output pressure ranging from 3 to 6 kg (0.3–0.6 MPa) during factory production. No on-site secondary adjustment is needed after delivery, so the machine can perfectly match low-pressure purging, pneumatic conveying and other dedicated production demands directly.
Q: Is this an independent standalone model? Is a separate air storage tank mandatory?
A: This is a pure standalone host without an integrated air tank. It can be seamlessly connected to customers’ existing air storage tanks, precision filters and refrigerated dryers, enabling flexible assembly of a full low-pressure air supply system. It is an optimal upgrade choice for production line renovation and old equipment replacement projects.
Q: Are custom voltages and frequencies available for this unit?
A: Yes. We support customized voltages including 220V, 380V, 400V, 415V, 440V and more, alongside 50Hz / 60Hz frequency options to fit local power grid standards of different countries and regions. Kindly inform our sales team of your power specifications when placing orders.
Q: Can you provide CE certification and other relevant certificates?
A: All our compressors are produced complying with international industry standards. CE certificates and third-party factory inspection reports can be issued upon customer request. Contact our sales team for detailed certification documents.
Q: What technical support is available for international buyers?
A: We deliver free lifetime remote technical support covering low-pressure parameter setup and online fault troubleshooting via video call, email and other channels. For major industrial cities overseas, we can arrange on-site maintenance services based on local service coverage conditions.
Address
No.81 Hongqizhong RD, Ronggui Shunde District, Foshan City, Guangdong Province, China
Tel
No.81 Hongqizhong RD, Ronggui Shunde District, Foshan City, Guangdong Province, China
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