Engineered for high performance, continuous operations, and maximum energy savings
Engineered for stable operations in light commercial environments, featuring smart VSD control and a compact design layout optimized for spaces requiring lower power consumption.
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A heavy-duty belt-driven structure offering optimal torque transfer, simple maintenance pathways, and reliable airflow metrics for long continuous industrial output cycles.
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100% oil-free output using advanced water-lubricating seals. Designed for demanding applications in food processing, packaging, pharmaceuticals, and electronics.
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Dual inverter control paired with high-torque permanent magnet motors ensures smooth adjustments in blower and vacuum processes, cutting idle power usage.
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Scaling from 10HP to 100HP, this series implements direct-drive coupling and sound dampening to achieve class-leading noise reduction and operating efficiency.
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An all-in-one space-saving compressor layout integrated with a high-capacity storage tank, refrigerated dryer, and efficient lines of inline filtration.
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Designed for heavy industrial sites requiring high volumetric efficiency, utilizing dual screw air ends that lower the compression ratio per stage for massive energy savings.
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A flagship high-capacity solution for large industrial plants, offering continuous oil-injected compression with permanent magnet frequency variation.
Explore ModelCompressed air systems account for approximately 10% of total global industrial electricity consumption, in some specialized manufacturing lines, it can reach up to 40%. For decades, facilities relied on traditional fixed-speed induction motor air compressors. These systems run at continuous high speeds regardless of actual demand, wasting enormous amounts of power through venting, continuous idling, and heat generation.
The introduction of Permanent Magnet Variable Speed Drive (PM VSD) screw air compressors has redefined energy efficiency in manufacturing. By integrating rare-earth Neodymium (NdFeB) permanent magnets directly into the motor rotor, these modern units eliminate motor bearing losses, slippage, and excitation currents associated with induction motors.
Standard Induction Motors vs. NdFeB Permanent Magnet Motors:
Power Factor: PM VSD maintains 0.96-0.99, whereas induction motors drop to 0.75 under low load.
Heat Loss: Synchronous PM rotor produces zero rotor copper loss, maintaining low operating temperature.
Response Time: Adjusts speeds in milliseconds to prevent air receiver pressure drops.
*Based on ISO 1217 standards conducted across global test facilities.
Understanding why top global engineering firms choose China-based ODM/OEM factories for permanent magnet screw compressor systems.
China holds over 70% of the world's rare earth mineral resources and processing capacity. Chinese ODM manufacturers enjoy proximity to premium NdFeB (Neodymium Iron Boron) permanent magnet producers, ensuring reliable materials sourcing, superior magnet grade stabilization (H-grade, rated up to 180°C), and lower raw material costs.
Modern Chinese factories have invested in state-of-the-art German and Japanese rotor grinding machines (Klingelnberg, Mitsui Seiki). This allows for rotor gap machining tolerances within micrometers, reducing internal backflow leakage and drastically optimizing the mechanical output ratio.
Export-oriented manufacturers comply fully with international frameworks such as CE certification for the European economic zone, UL/CSA standards for North America, and ISO 9001/ISO 14001/ISO 50001 energy management systems, guaranteeing seamless implementation in any industrial layout.
Shanghai Honest Compressor Co., Ltd. - A Trusted Pioneer in Global Compressed Air Systems
Address: NO. 355 Jiajian Branch Road, Malu Town, Jiading District, Shanghai, China.
Founding: Established in early 2004, operating as a premium manufacturing enterprise specializing in high-performance twin-screw air compressors.
Affiliation: Combining British engineering standards and advanced production control systems with Chinese localized cost and supply chain advantages.
As a leading supplier of comprehensive air system solutions, Shanghai Honest Compressor Co., Ltd. handles large-scale operations across multiple application fields. The company designs, tests, and manufactures high-efficiency systems ranging from 3KW up to 480KW.
Our comprehensive production catalog includes:
Industrial performance breakdown for engineering reference across various operating cycles.
| Model Series | Power Rating (kW / HP) | Free Air Delivery (m³/min) | Working Pressure (Bar) | Motor Protection Class | Noise Rating (dB(A)) |
|---|---|---|---|---|---|
| XD-8A Series | 7.5 kW / 10 HP | 0.8 - 1.2 | 7 - 12 Bar | IP55 / IP54 Class F | < 63 dB(A) |
| PM-VSD Integrated | 11 kW / 15 HP | 1.2 - 1.6 | 8 - 10 Bar | IP55 Class H (Rare Earth) | < 65 dB(A) |
| Two-Stage Industrial | 55 kW / 75 HP | 6.5 - 10.2 | 7 - 13 Bar | IP55 Heavy Duty | < 68 dB(A) |
| High Power Heavy Duty | 132 kW / 180 HP | 15.8 - 24.5 | 8 - 10 Bar | IP55 Permanent Magnet | < 72 dB(A) |
| Water Lubricating Oil-Free | 11 kW / 15 HP | 1.0 - 1.5 | 7 - 10 Bar | IP55 Direct Coupled | < 62 dB(A) |
When gas is compressed, its temperature rises. Compressing air in a single stage from atmospheric pressure to 10 Bar requires substantial mechanical work because the compression curve is closer to an adiabatic process. In a two-stage industrial screw compressor, the air undergoes an intercooling phase between the first stage and second stage.
This process lowers the inlet temperature of the second stage, shifting the process closer to an isothermal compression. By reducing the compression ratio per stage, internal volumetric efficiency rises, leading to an additional 8% to 15% reduction in power consumption for identical FAD requirements.
Advanced frequency-matching hardware for sensitive production lines and facilities.
Employs corrosion-resistant components and water sealing to deliver absolute purity. Ideal for applications requiring ISO 8573-1 Class 0 oil-free certifications.
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An integrated heavy station utilizing combined drying modules to decrease air dew point values, providing complete plug-and-play functionality.
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Designed for continuous, heavy duty work in machining workshops. Highly stable belt-driven coupling for trouble-free operation.
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Compact VSD design featuring a synchronous permanent magnet motor, minimizing transmission losses and maximizing specific energy levels under varying loads.
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Designed for hazardous areas. Certified sparkless, flameproof protection pathways combined with integrated air treatment and storage systems.
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Features a high-torque permanent magnet motor paired with integrated refrigerated drying equipment to deliver dry, regulated airflow directly to workstations.
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A horizontal two-stage compression unit featuring dual rotor sets in series, achieving high flow rates with reduced rotor friction and thermal load.
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Equipped with advanced dual-stage variable frequency controllers, matching system performance to rapid changes in plant demand with high precision.
Explore ModelHow our permanent magnet screw compressors are adapted to the unique demands of global industrial sites.
In large automotive manufacturing plants, heavy machinery assembly, and ironworks, compressed air demand fluctuates. The VSD PM motor dynamically adjusts to the pneumatic tools currently active, preventing massive electrical load drops and peak demand penalties from utilities.
Food processing, breweries, pharmaceutical labs, and electronics packaging cannot tolerate the slightest trace of hydrocarbon contamination. Our 100% water-lubricated oil-free rotary screw series provides high-purity air, using water seals to eliminate the risk of oil carryover.
For operations limited by floor space, our 4-in-1 integrated stations include a screw compressor, dryer, high-efficiency filters, and receiver tank within a single vibration-isolated cabinet, minimizing pressure loss from extensive piping layouts.
Detailed performance variations for high-demand processing lines.
An integrated solution for localized work bays. Combines the compressor unit, storage tank, dry chilling loop, and particulate filtration on a single transportable skid.
Specification Sheet
Designed for operations requiring high-purity air without water lubricant. Incorporates synthetic resin-coated twin rotors to prevent wear.
Specification Sheet
A heavy-duty industrial oil-free solution featuring liquid jacket cooling on the compressor casing to maintain stable internal temperatures during continuous use.
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Leverages dual compression chambers in series to maximize volumetric efficiency. Reduces energy consumption under heavy industrial loads.
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Features a co-axial motor-rotor design to eliminate transmission losses, paired with a compact receiver tank for small-footprint applications.
Specification Sheet
Integrates compression, drying, filtration, and storage in a single soundproof enclosure, operating at low decibel levels suitable for localized work bays.
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A large-capacity oil-injected screw unit designed for mining, metallurgical operations, and chemical processing facilities requiring high-pressure airflow.
Specification Sheet
A flagship high-capacity system combining dual-stage compression with permanent magnet VSD control, delivering energy-efficient airflow for large production facilities.
Specification Sheet
A reliable fixed-speed unit for facilities with consistent, steady-state air demand. Offers low maintenance and long service intervals.
Specification Sheet
Includes full OEM customization capabilities for international brands, featuring an integrated explosion-proof layout and high-quality accessories.
Specification Sheet
Model XD-8A featuring direct coupling, automatic PLC controller, star-delta start, and a low operating noise profile below 63dB(A).
Specification Sheet
Dual-stage compressor combining first and second-stage rotors within a single housing, optimizing gear-driven speeds to reduce power consumption.
Specification SheetShanghai Honest Compressor Co., Ltd. regularly participates in international industrial automation, machinery exhibitions, and green energy technology trade shows to showcase our latest advancements in compressed air technology.
By engaging with engineers, procurement managers, and industry researchers globally, we align our product development with the evolving requirements of modern manufacturing processes.
According to recent industry analysis, the dry vacuum pump and oil-free compressor markets are experiencing steady growth. Clean, moisture-free compressed air has become a critical utility in semiconductor lithography, precise drug formulation, and laboratory instrumentation.
Technical answers to common questions about PM VSD screw compressor systems.
Industrial solutions designed for continuous, energy-efficient operation.
Compact VSD system designed to match variable demand in light commercial applications, minimizing energy use during low-load periods.
Explore Model
Heavy-duty belt-driven structure offering optimal torque transfer, simple maintenance pathways, and reliable airflow metrics for long continuous industrial output cycles.
Explore Model
100% oil-free output using advanced water-lubricating seals. Designed for demanding applications in food processing, packaging, pharmaceuticals, and electronics.
Explore Model
Dual inverter control paired with high-torque permanent magnet motors ensures smooth adjustments in blower and vacuum processes, cutting idle power usage.
Explore Model
Scaling from 10HP to 100HP, this series implements direct-drive coupling and sound dampening to achieve class-leading noise reduction and operating efficiency.
Explore Model
An all-in-one space-saving compressor layout integrated with a high-capacity storage tank, refrigerated dryer, and efficient lines of inline filtration.
Explore Model
Designed for heavy industrial sites requiring high volumetric efficiency, utilizing dual screw air ends that lower the compression ratio per stage for massive energy savings.
Explore Model
A flagship high-capacity solution for large industrial plants, offering continuous oil-injected compression with permanent magnet frequency variation.
Explore Model