Designed for heavy industrial manufacturing requirements, this 280kW system delivers 100% pure oil-free dry air with ultra-low noise emissions.
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Featuring a high-grade oil-cooled Permanent Magnet motor for maximum energy conversion efficiency and smooth VFD air volume control.
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Engineered for wastewater aeration and vacuum piping transport systems, integrated with high-efficiency PLC inverters.
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A versatile range of mid-to-high capacity rotary screw compressors. Uses variable speed drive motors to lower power costs by up to 35%.
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High-reliability dual-screw element combined with intelligent VSD controller, optimizing airflow dynamically for shifting factory loads.
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Advanced dry screw design guarantees clean, oil-free compression processes for pharmaceutical, biological, and chemical applications.
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Heavy-duty belt drive transmission allows simple adjustments to pressure ratings, ideal for high-vibration and rugged plant applications.
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Two-stage mechanical air-end layout divides compression ratios, resulting in lower power demands and optimized energy usage.
Learn MoreFounded in early 2004, Shanghai Honest Compressor Co., Ltd. is a premier British-owned enterprise operating from a major production site located at NO. 355 Jiajian Branch Road, Malu Town, Jiading District, Shanghai, China. As a leading specialized manufacturer of twin-screw air compressors in China, we combine British engineering standards with local vertical integration advantages to deliver elite air systems solutions globally.
Our extensive manufacturing scope features twin-screw systems, piston air compressors (low, medium, and high pressure, as well as oil-free units), gas separation machinery, refrigeration scroll systems, cold dryers, ceramic membrane filtration setups, and all necessary maintenance consumables.






Belt-drive screw air compressors allow easy adjustment of the drive ratio by changing the pulley size. This means factories can calibrate pressure rates (e.g., from 7 bar up to 13 bar) without replacing the motor or the entire air-end structure.
The elasticity of transmission belts dampens vibration and absorbs mechanical load shocks during startup or peak demand cycles. This reduces torsional stress on the rotor bearings, prolonging the operational lifespan of the compressor assembly.
Pulley adjustments, belt replacements, and realignment can be executed easily on-site without dismantling the main drive coupling or the motor shaft. This keeps spare parts affordable and shortens system downtime.
When looking at industrial air delivery, choosing between belt-drive and direct-drive designs depends on your plant layout and flow profile. Belt-drive systems transmit torque from the electric motor to the rotor air-end through heavy-duty V-belts. While direct-drive setups deliver higher efficiency by eliminating belt-slippage losses, belt-drive designs offer unmatched flexibility for mid-sized plants (typically between 7.5kW and 45kW) that experience varying operational cycles.
Modern belt-drive screw compressors utilize automatic tensioning plates. When starting up under load, the motor shifts dynamically on its guide rails to maintain proper belt contact. This limits belt slippage to less than 0.5%, keeping transmission efficiency high and reducing wear on the belt profiles.
Sourcing industrial machinery from Shanghai, China provides buyers with a reliable combination of robust supply chains and specialized engineering expertise. Our production facility integrates every stage of the manufacturing process under one roof:
For heavy manufacturing, single compressor units are often insufficient. Shanghai Honest Compressor design engineers build centralized compressor rooms with automated cascading controls. By combining our energy-saving VSD PM twin-screw compressors with belt-drive units, we help facilities manage varying base loads and peak demands efficiently.
These setups feature modern dryers, high-grade line filters, and large air receivers that remove oil aerosols and moisture, ensuring steady air pressure at every point in the piping network.
Our screw compressors are built for demanding environments across various sectors:
International buyers require clear quality documentation and reliable service guarantees. Shanghai Honest Compressor provides full documentation to ensure smooth import clearance and straightforward installation:
The demand for industrial air systems continues to rise. According to MRFR market analysis, the global dry vacuum pump market size is projected to grow from US$ 5.97 billion in 2024 to US$ 8.28 billion by 2034, showing a steady compound annual growth rate. This trend is mirrored in the air compressor sector, driven by a growing focus on energy efficiency and smart digital control.
Modern industrial operations are looking for machinery with integrated PLC controls, VFD drives, and remote performance monitoring. By incorporating these features into our belt-driven and direct-drive designs, we help plants reduce energy consumption and schedule maintenance before failures occur.
We participate regularly in international trade exhibitions and engineering expos to showcase our latest air end profiles and energy-efficient VSD PM setups. Our engineering team closely monitors developments in noise dampening materials, high-load belt materials, and smart control systems. By continually updating our designs, we help our global customers meet increasingly strict environmental and efficiency guidelines.
Whether you are importing single belt-drive screw compressors or planning a large-scale factory installation, our team provides custom engineering support to match your specific airflow and power requirements.
Stationary direct-drive configuration ranging from 7.5kW up to 535kW, designed for heavy-duty industrial installations.
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A balance of affordability and performance, featuring variable speed permanent magnet motor technology.
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Features oil-cooled rotors and two-stage compression elements, maximizing efficiency for high-demand operations.
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A compact, single-phase 220V unit utilizing permanent magnet variable frequency controls, ideal for small workshops.
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Large 315kW system with Level 1 energy efficiency ratings. Built for heavy industrial and manufacturing plants.
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Dual-purpose system configured for vacuum operations and high-volume air delivery, powered by a PM motor.
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Integrates the compressor, dryer, filtration system, and air receiver tank in a single compact housing.
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Water-lubricated oil-free design ensures clean air delivery for contamination-sensitive processes.
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