Utilizes advanced variable frequency drive systems to scale power dynamically, achieving energy savings of up to 30% under varying load demands.
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Robust 75kW system designed for non-stop industrial operations. Standardized components assure seamless supply chains and cost-effectiveness.
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Features a permanent magnet motor coupled with an inverter to deliver dynamic pressure output from 7 to 13bar with exceptional motor efficiency.
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Designed for heavy industrial sites demanding high flow rates. The two-stage architecture splits the compression ratio, minimizing parasitic thermal losses.
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High-precision screw profile design delivering continuous, steady vacuum pressure with minimal lubricant contamination for analytical and manufacturing processes.
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Compact 'Four-in-One' setup incorporating the rotary compressor, refrigeration air dryer, precise filters, and air storage tank on a single skid.
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Removes industrial moisture systematically. Designed to complement high-pressure systems, protecting pneumatic actuators and downstream pipelines from rust.
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A heavy-duty 8bar electrical compression unit. Employs a dual permanent magnet inverter configuration for ultra-precise regulation of specific power index.
See more products >In modern manufacturing environments, standard compressed air systems account for over 30% of a facility's cumulative electricity costs. The search for thermodynamic efficiency leads away from traditional reciprocating configurations to high-performance, double-stage rotary screw compressors. As a premier ODM Rotary Industrial Compressor System Supplier & Factory, Shanghai Honest Compressor Co., Ltd. addresses this paradigm by optimizing the air end geometries and specific power inputs (kW/m³/min) within our equipment.
During the transition from the first stage to the second stage of compression, intermediate oil injection lowers the inlet air temperature of the second stage, driving the compression path closer to the ideal isothermal compression curve. By reducing the overall temperature differential across the rotors, internal back-leakage is significantly reduced. This thermal management minimizes mechanical stress on seals and bearings, extending the system's operational lifetime.
| Engineering Property | Single-Stage Compressor (VFD Standard) | Two-Stage Integrated PMSM | Energy/Operational Impact |
|---|---|---|---|
| Thermodynamic Curve | Polytropic (High Heat Loss) | Near-Isothermal (Optimized Intercooling) | 8% to 15% Reduction in Energy Demand |
| Rotor Pressure Ratio | High (e.g., 8:1) | Low per stage (e.g., Stage 1: 2.8:1; Stage 2: 2.85:1) | Reduced back-leakage, higher volumetric output |
| Bearing Mechanical Load | High localized radial force | Distributed load across dual air-ends | Extends bearing lifespan up to 100,000 hours |
| Specific Power at 8 bar | ~6.8 kW/(m³/min) | ~5.9 kW/(m³/min) | Substantial reduction in annual electricity expenses |
Industrial manufacturing demands smart systems capable of responding dynamically to air demand fluctuations. Our product range utilizes Variable Frequency Drives (VFD) coupled with Permanent Magnet Synchronous Motors (PMSM) to replace inefficient fixed-speed induction motors. Under varying factory cycles, standard compressors bleed pressure, wasting energy. A PMSM VFD system continuously alters the motor’s RPM via advanced vector control algorithms to match dynamic system air pressure requirements, maintaining system pressure variations to within ±0.01 MPa.
Unlike induction motors which suffer from efficiency drop-offs during partial-load operations, our PMSM systems maintain optimal efficiency across a broad range of operating speeds. Combined with direct-drive shaft coupling, energy transmission losses are virtually eliminated. Additionally, our integrated smart PLC systems feature Modbus RTU, TCP/IP, and optional IoT cloud integrations, enabling operators to remotely monitor real-time operating metrics including temperatures, pressure profiles, current spikes, and scheduled service intervals.
Established in 2004, Shanghai Honest Compressor Co., Ltd. is a British-owned enterprise operating out of a large-scale manufacturing plant located at NO. 355 Jiajian Branch Road, Malu Town, Jiading District, Shanghai, China. Combining European engineering standards with Chinese industrial efficiency, we deliver reliable, high-performance compressed air solutions worldwide.
Our Jiading production facility is built on Industry 4.0 principles, using automated CNC rotor machining centers, coordinate measuring machines (CMM) for precision checks, and automated thermodynamic testing facilities. Every manufactured compressor undergoes strict testing under loaded and unloaded conditions to verify energy compliance, vibration levels, and heat dissipation performance before dispatch.
Rotor Tolerances: Precision ground rotors are held to micron-level tolerances, maximizing volumetric displacement and reducing air slippage.
Material Integrity: Air-ends are cast from high-tensile grey cast iron, providing thermal stability and dampening structural vibration.
Global Standards: Built in accordance with ISO 9001 quality management guidelines and certified under European CE directives.
Supply Chain: Direct sourcing of major elements like Swedish SKF bearings, Schneider contactors, and premium sensors ensures reliability and performance.
Industrial systems require tailored solutions. We configure custom systems to meet specific industry requirements, ensuring efficiency and reliability.
Requires strict oil-free air to prevent contamination in fabrication environments. We supply dry oil-free screw systems and refrigerated air dryers to maintain stable dew points.
Suggested: Oil-Free VSD Screw Blower/Vacuum Pump SeriesContinuous, large-volume air is critical for pneumatic tools, blasting, and plant automation. Our high-power 75kW to 400kW screw compressors provide durable, reliable operation.
Suggested: 110kW/132kW/315kW Two-Stage VFD PMSM UnitsDemands high air purity, quiet operation, and corrosion-resistant pipelines. Our integrated all-in-one silent systems feature high-efficiency filtration to meet strict quality requirements.
Suggested: Silent Integrated Four-in-One CompressorsUnderstanding performance metrics is critical for choosing the right system. The table below outlines the detailed operating specifications for the Model XD-8A, illustrating our approach to engineering and performance verification.
| Specification parameter | Technical Value / Standard | Operational Focus |
|---|---|---|
| Model Code | XD-8A Industrial Screw Compressor | Heavy-Duty Design Configuration |
| Free Air Delivery (FAD) | 0.8 to 1.2 m³/min | Volumetric displacement matches variable processes |
| Working Pressure Scale | 7 to 12 Bar (0.7 ~ 1.2 MPa) | Covers standard industrial pressure requirements |
| Control Mechanism | Automated PLC Interface | Intelligent energy monitoring and fault prevention |
| Drive Configuration | Direct Drive with Elastic Coupling | Prevents slip, vibration, and mechanical losses |
| Starting Profile | Star-Triangle / Inverter Assisted Soft Start | Reduces starting current spikes on the grid |
| Power Unit Specifications | 380V / 50Hz / 3-Phase, IP55 Insulation Grade | High-performance protection for harsh operating conditions |
| Discharge Thermal Level | Less than ambient temperature + 8℃ | Low discharge temperatures reduce moisture load |
| Sound Output Level | Less than 63 dB(A) | Acoustic cabinet design enables installation near workspaces |
| Physical Footprint Dimensions | 850 mm * 670 mm * 870 mm | Compact layout minimizes factory floor space requirements |
| Unit Weight | 178 kg | Rigid structural frame reduces vibration without anchors |
For procurement managers and factory directors, the purchase price (CAPEX) represents only 10% to 15% of a compressor's Total Cost of Ownership (TCO). The remaining 85%+ is consumed by operating energy costs (OPEX) and ongoing maintenance. Investing in premium technology, such as our double permanent magnet two-stage inverter systems, helps lower total life-cycle costs.
By implementing variable frequency drive vector systems and permanent magnet motors, our machines lower specific energy consumption, reducing energy bills month after month. The soft-start function also helps prevent mechanical wear, extending maintenance intervals and reducing downtime.
A heavy-duty, fixed-speed system designed for operations with consistent base-load air demands. Provides simple operation and high reliability.
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Features dual permanent magnet motors driving two stages of compression independently, maximizing efficiency across varying demand levels.
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An efficient belt-driven compressor featuring automatic belt tensioning. Ideal for small to mid-sized industrial applications.
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A compact 15kW stationary rotary screw compressor designed to supply reliable air flow for workshops and automated production lines.
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Designed for applications requiring clean, oil-free low-pressure air, such as wastewater aeration, chemical processing, and pneumatics.
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High-power 315kW system engineered to meet Level 1 energy efficiency standards. Combines dual stages and permanent magnet VFD control.
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Space-saving "Two-in-One" system combining a 7.5kW screw compressor mounted on a certified air receiver tank. Easy to install and commission.
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A heavy-duty diesel-driven screw compressor designed for construction, mining, and remote sites where grid electricity is unavailable.
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