Direct from China's leading OEM/ODM factory. High-efficiency rotary screw compressor systems engineered with advanced drying technologies to meet rigorous international standards.
In modern manufacturing, compressed air is often defined as the "fourth utility." However, the viability of pneumatic power does not rely solely on air pressure and volumetric flow. The absolute cleanliness—specifically, the absence of moisture, oil aerosol, and particulate contaminants—is what dictates overall production yields and operational longevity.
For years, industrial facilities procured rotary screw air compressors, downstream refrigerant or desiccant dryers, and receiver tanks as separate components. This approach required extensive custom piping, induced severe pressure drops, occupied vast floor spaces, and complicated the integration of telemetry systems. The contemporary response is the integrated all-in-one screw air compressor with an integrated air dryer.
How global procurement directors balance Capital Expenditure (CAPEX) with Operating Expenses (OPEX) in integrated air systems.
Procuring an air compressor system requires deep compatibility checks depending on regional energy grids and application parameters:
Modern fiber laser cutting systems demand dry, pressurized air up to 15.5 bar. If moisture traces bypass the dryer and contact the laser lens, it results in thermal shock, destructive micro-cracks, and costly laser head replacements. The integrated 15.5 bar systems solve this issue directly.
In chemical plants, oil & gas installations, and mining tunnels, standard electrical systems represent combustion risks. Explosion-proof configurations are critical for plant safety and compliance with international standards (ATEX/IECEx).
Exporting to markets like North America requires machines wired for 220V/460V at 60Hz. Systems destined for European, Central Asian, or Southeast Asian operations must be optimized for 380V/400V at 50Hz. Variable Frequency Drives (VFD) natively buffer voltage drops and frequency variations.
The engineering layout behind Shanghai Honest's high-efficiency screw compressor systems.
Unlike fixed-speed induction motors that run at full speed even when air demand drops (wasting substantial energy through venting), VSD PM (Variable Speed Drive Permanent Magnet) compressors match motor speed to real-time air consumption. This yields energy reductions up to 30%-50% and minimizes starting electrical surges.
In high-capacity applications (75kW to 315kW), two-stage compression is optimal. By dividing the compression ratio between two distinct rotor stages and using interstage cooling, internal thermal loads and volumetric leakages are substantially reduced. The result is higher CFM output per kW of input power.
Integrated dryers employ eco-friendly refrigerants (like R410A or R134a) or regenerative desiccant matrices. Pre-filters and post-filters are placed inside the chassis, ensuring that the compressed air meets ISO 8573-1 Class 1-2-1 air quality criteria straight from the discharge valve.
All modules are controlled by an integrated industrial PLC. This unit monitors discharge pressure, ambient temperature, motor currents, dew point status, and filter lifespans. With Modbus/RS485 connectivity, these machines link to central SCADA systems, allowing operators to predict maintenance intervals and prevent unexpected line stops.
Shanghai Honest Compressor Co., Ltd. is a leading British-owned manufacturing enterprise established in 2004. Located at NO. 355 Jiajian Branch Road, Malu Town, Jiading District, Shanghai, China, we have built a reputation as a major global supplier of integrated air system solutions.
Our state-of-the-art production plant specializes in the design, engineering, and manufacturing of high-performance twin-screw air compressors. Our product portfolio spans from 3kW to 480kW systems, including piston air compressors (low, medium, and high-pressure setups), water-lubricated oil-free air compressors, gas separation equipment, refrigerant compressors, cold dryers, adsorption dryers, and fine ceramic membrane filtration systems.
By combining British engineering design concepts with efficient Chinese manufacturing and strict quality control systems, we provide highly customizable OEM/ODM solutions to global distributors and end-users. All machines comply with CE and ISO standards, ensuring seamless integration into modern industrial facilities worldwide.
Shanghai Honest actively participates in major global trade fairs and industrial expos to showcase our advanced air treatment and vacuum pump technologies. Keeping pace with global industrial developments is key to our strategy.
According to MRFR analysis, the dry vacuum pump market size is valued at USD 5.97 billion in 2024. The dry vacuum pump market is expected to grow from USD 6.17 billion in 2025 to USD 8.28 billion in 2034, registering stable growth. This growth aligns with the expanding demand for oil-free environments across chemical processing, semiconductor fabrication, and pharmaceutical manufacturing.
A closer look at the thermodynamic properties, component structures, and operational features of our core product configurations.
The screw compressor is a volumetric gas compression machine whose working volume makes a rotary motion. It offers high reliability, low vibration, and minimal maintenance overheads compared to traditional piston systems.
| Free Air Delivery: | 0.8 - 1.2 m³/min |
| Working Pressure: | 7 - 12 bar |
| Controller Type: | Automatic PLC Controller |
| Drive Mechanism: | Direct Driven, Elastic Coupling |
| Starting Mode: | Star Delta (Y-Δ) Start |
| Power Configuration: | 380V / 50Hz / 3Phase, IP55 Protection |
| Operational Noise: | < 63 dB(A) |
The two-stage compression oil injection screw air compressor features a highly optimized equal pressure ratio design, minimizing internal bypass leakage and reducing noise levels. It integrates the first-stage and second-stage compression rotors in a single casing, directly driven respectively through a precision front gear set. This design ensures each rotor runs at the ideal linear speed for the air flow, optimizing the compression ratio for energy efficiency.
By cooling the air between the first and second stages, the compression cycle shifts closer to isothermal compression, reducing the workload of the second-stage rotor and providing significant energy savings compared to single-stage machines of similar capacity.
Answers to common technical queries from procurement directors and plant operators.
Explore our wider range of high-efficiency VFD PM, stationary diesel, and heatless regenerative air treatment machinery.
