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55kW Skid Mounted Low Pressure VSD Single Stage Air Compressor
  • 55kW Skid Mounted Low Pressure VSD Single Stage Air Compressor55kW Skid Mounted Low Pressure VSD Single Stage Air Compressor

55kW Skid Mounted Low Pressure VSD Single Stage Air Compressor

Elily’s 55kW Skid-Mounted Low-Pressure VSD Single Stage Rotary Screw Air Compressor supports adjustable working pressure ranging from 3–6 bar with customization available. Built on an integrated heavy-duty skid-mounted steel base, the unit weighs 970 kg with overall dimensions of 1700×1200×1580 mm. It is ideally suited for large-scale industrial low-pressure continuous air supply scenarios. Reach out to us now to obtain our latest factory price list.

Core features of the product:

Elily 55kW Skid-Mounted Low-Pressure VSD Single Stage Rotary Screw Air Compressor is professionally customized for low-pressure and high-flow industrial air demand scenarios. The working pressure is freely customizable within 3–6 bar, fundamentally eliminating the massive energy waste of the traditional solution that uses high-pressure compressors matched with pressure reducing valves. It outputs low-pressure compressed air that precisely matches actual production requirements from the source, realizing scientific and energy-saving air supply.


Adopting an all-in-one skid-mounted structural design, the entire machine integrates the screw airend, permanent magnet motor, precision piping and intelligent control system on a unified base. Fully pre-assembled, wired and tested in the factory, the unit only requires on-site water and power connection to start operation. Featuring simple installation, small footprint and no complex on-site construction, it greatly shortens project commissioning cycles.


In terms of power performance, the compressor is equipped with an IE5 ultra-high-efficiency Class 1 permanent magnet variable frequency motor, delivering 5%–10% higher energy efficiency than conventional industrial motors. Cooperated with intelligent stepless VSD control system, it adjusts operating speed in real time according to dynamic air consumption, controlling pressure fluctuation within ±0.01 MPa and achieving 20%–50% comprehensive energy savings. Under low-load working conditions, the unit automatically decelerates or enters sleep mode, with no-load power consumption reduced to below 15% of the rated power, effectively cutting idle energy loss.


All core components adopt top-tier industrial brands, including Hanbell high-efficiency screw main unit, Grade 1 energy-saving permanent magnet motor and professional high-performance frequency converter. Premium matching configurations ensure long-term high-efficiency, stable and failure-free operation of the whole equipment.


This low-pressure high-flow compressor is widely applied in textile, glass manufacturing, chemical industry, water treatment, food and beverage industries. It is especially ideal for energy-saving renovation of old production lines characterized by high power consumption and volatile air usage. Practical operation data shows that the extra investment in equipment can be fully recovered within 12 to 24 months through energy-saving benefits, bringing remarkable long-term operating cost advantages for enterprises.

Product parameters:

Item Specifications
Model LGPM75A (55KW Low-Pressure Customized Version)
Exhaust Pressure 0.3-0.8MPa (Customizable to 0.6MPa low-pressure optimization)
Exhaust Volume Approx. 16m³/min @0.3MPa / 10m³/min @0.8MPa
Cooling Method Air-cooled
Exhaust Temperature Ambient temperature +15℃
Lubricating Oil Quantity 30L (Screw compressor dedicated coolant)
Noise 80±2 dB(A)
Starting Method Permanent magnet inverter start
Motor Power 55KW / 75HP
Power Supply 380V/50Hz
Protection Rating IP54/F rating
Safety Protection Devices High temperature, high pressure, blockage, overcurrent, phase loss, reverse phase, voltage instability
Maintenance Indicators Air filter, oil filter, oil separator, coolant
Microcomputer Controller Speed regulation, automatic control, status display, data storage
Transmission Method direct connection
Outlet Size RP2"
Overall Dimensions 1700×1200×1580 mm
Total Weight 970 kg

Product application scenarios

Company Information

We own a technical team of more than 20 senior engineers, and core team members boast over 10 years of experience in the gas equipment industry. The company has obtained ISO9001 quality management system certification, and our core products carry CE certification. We carry out end-to-end quality control from raw material inspection to finished product shipment to guarantee stable and reliable performance of every unit.


We achieve an annual production capacity of more than 2,000 units. Standard models can be delivered within 15–20 working days. Our products are exported to over 30 countries and regions across Southeast Asia, the Middle East, Europe and the Americas.


We stick to factory-direct supply and support OEM customization. We deliver high-performance, cost-efficient gas solutions to global customers with reliable quality and fast response.

Logistics & Packaging

All export units are packed in export-grade fumigation-free wooden cases or steel crates. Internal shock-absorbing cushions and waterproof membranes are equipped to resist impact and moisture during long-distance sea and air transportation.


We maintain long-term cooperation with major carriers including COSCO and Maersk, supporting both FCL and LCL shipments. The standard production lead time for regular models is 15–20 working days. Sea transit takes roughly 7–12 days to Southeast Asia and 25–35 days to Europe and the Americas.


Multiple trade terms are available, including FOB Shenzhen/Guangzhou, CIF destination port and EXW factory. Once goods are dispatched, we will supply the complete tracking number for real-time cargo monitoring. We commit to delivering your equipment safely.

FAQ:

Q: Can the 55kW Skid-Mounted Low-Pressure VSD Single Stage Air Compressor operate at 0.8 MPa?

A: Yes. The unit supports a standard working pressure of 0.8 MPa. More importantly, it achieves far higher energy efficiency when running at low pressure ranges of 0.3–0.6 MPa, perfectly matching low-pressure high-flow production requirements.


Q: Does this skid-mounted model require a separate control cabinet?

A: No external control cabinet is needed. The intelligent control system, electrical components and wiring are fully integrated into the skid-mounted unit, realizing plug-and-play installation.


Q: Are spare parts easy to purchase after sales?

A: All core components adopt well-known standardized industrial brands with universal specifications. Replacement parts are widely available with short lead times globally, ensuring convenient and low-cost daily maintenance.


Q: What industrial low-pressure projects has your company completed?

A: We have rich practical experience serving wastewater treatment plants, cement factories, glass processing plants, textile mills and chemical enterprises. Complete project cases and on-site photos can be provided for verification.


Q: What is the main advantage of a dedicated low-pressure screw compressor compared with a conventional high-pressure compressor with a pressure relief valve?

A: Traditional high-pressure compressors waste massive energy through pressure reduction. Our dedicated 3–6 bar low-pressure unit outputs exact required pressure directly from the source, reducing useless power consumption by 20%–50%, bringing obvious long-term cost savings.


Q: Can this machine run 24 hours continuously?

A: Yes. Designed with industrial-grade continuous-duty structure, enlarged cooling system and stable Hanbell airend, it supports 24/7 non-stop operation for year-round factory production.


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Contact Elily to get a customized equipment solution and a direct factory price list. High-quality, high-performance OEM manufacturing.
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