EHV Series Air Compressor for Laser Cutting - High Efficiency PM VSD Screw Compressor from China Suppliers and Factory
A dedicated high-pressure air-end with optimized rotor profile minimizes internal leakage, while an 8-bearing design ensures exceptional stability, precision, and long service life—even under continuous high-pressure operation.
Stainless-steel piping and a high-efficiency aluminum-plate dryer reduce pressure loss, prevent corrosion, and maintain a stable 2–10 °C dew point, delivering clean, dry air with lower energy consumption over the entire lifecycle.
Advanced inverter and control algorithm provide precise pressure regulation. IE5 oil-cooled permanent-magnet motor delivers outstanding efficiency across a wide speed range (20–110%), with efficiency fluctuation below 4%, ensuring maximum energy savings under variable load conditions.
An oversized cooling system with 25% surplus capacity enables reliable operation at ambient temperatures up to 46 °C, preventing overheating and ensuring stable performance in demanding industrial environments.
- Designed specifically for high-pressure compression, with optimized profile to reduce internal leakage
- Using the world-class Hexagon coordinate measuring instruments, to ensure precision
- Features 8 bearings for stable operation and long service life
- Equipped with an IE5 oil-cooled PM motor, IP65 protection rating, adaptable to harsh conditions
- Wide frequency range (20%–110%) with broad high efficiency spectrum and minimal fluctuation (<4%), catering to various load requirements
- Integrated motor air-end structure to reduce transmission loss
- Variable-frequency starting to ensure that the starting current is lower than the rated current, with no power grid impact
- Over 25% surplus cooling capacity, providing excellent high-temperature resistance
- Can operate reliably in environments with temperatures up to 46℃, ensuring stable and reliable performance
- SUS304 material with smooth interior, minimizing pressure drop
- High corrosion resistance, rust-proof, ensuring premium air quality
- Inovance Heavy-duty Inverter: high starting torque, low current, and precise speed control for reliable operation
- Deman Intelligent Control System: advanced algorithms for high-pressure control, precise pressure regulation, and lower power consumption
- High-performance PLC: fast, stable and compatible with mainstream communication protocols for seamless inverter integration
- 7-inch Color Touchscreen: intuitive interface for efficient data visualization and operation
- User-friendly Interface: designed for easy human-machine interaction and equipment monitoring
- 5℃ inlet-outlet temperature difference for pre-cooling, reducing power consumption and preventing secondary condensation.
- Designed for hot and humid conditions with R410a refrigerant. Features a quiet, reliable compressor for long-lasting performance.
- Consistent Dew Point: high-efficiency heat exchange design with processing surplus for a stable 2–10℃ dew point at the outlet.
| Model Specification | Drive Power (kW) | Discharge Pressure (MPa) | FAD (m³/min) | External Dimensions (L×W×H) mm | Cooling Method | Piping Connection Diameter | Unit Weight (kg) |
|---|---|---|---|---|---|---|---|
| EHV 11e-13 | 11 | 1.3 | 1.2 | 1680×860×1585 | Oil cooled | Rp 3/4 | 450 |
| EHV 15e-16 | 15 | 1.58 | 1.3 | 1680×860×1585 | Oil cooled | Rp 3/4 | 463 |
| EHV 22e-16 | 22 | 1.58 | 2.1 | 1730×883×1785 | Oil cooled | G1 | 550 |
| HV 11e-13 | 11 | 1.3 | 1.2 | 861×685×950 | Oil cooled | Rp 3/4 | 217 |
| HV 15e-16 | 15 | 1.58 | 1.3 | 861×685×950 | Oil cooled | Rp 3/4 | 230 |
| HV 22e-16 | 22 | 1.58 | 2.1 | 950×767×1150 | Oil cooled | G1 | 300 |
| HV 37e-16 | 37 | 1.6 | 3.6 | 1232×890×1200 | Oil cooled | G1 1/2 | 585 |
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What makes the high-pressure dedicated air-end different from a standard air-end?
The high-pressure dedicated air-end is purpose-built for high-pressure compression applications. It features an optimized rotor profile that minimizes internal leakage and is manufactured using world-class Hexagon coordinate measuring instruments to ensure extreme precision. An 8-bearing design provides superior stability and significantly extends service life compared to standard air-ends.
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What discharge pressure range do these high-pressure compressors support?
The compressor series supports discharge pressures ranging from 1.3 MPa to 1.6 MPa, covering models such as the EHV and HV series. Different model specifications are available to match various industrial pressure requirements, from 11 kW to 37 kW drive power configurations.
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How does the IE5 oil-cooled motor contribute to energy efficiency?
The IE5 oil-cooled permanent-magnet motor operates across a wide frequency range of 20%–110%, maintaining outstanding efficiency with fluctuations below 4%. This ensures maximum energy savings under variable load conditions. Combined with variable-frequency starting, the motor keeps starting current below the rated current, eliminating power grid impact and reducing overall operational energy costs.
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Can these compressors operate reliably in high-temperature environments?
Yes. The oversized cooling system is designed with over 25% surplus cooling capacity, enabling stable and reliable operation in ambient temperatures up to 46°C. This makes the compressors well-suited for demanding industrial environments where high ambient temperatures are common.
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What dew point performance does the integrated aluminum-plate air dryer deliver?
The high-efficiency aluminum-plate air dryer maintains a consistent dew point of 2–10°C at the outlet. Its high-efficiency heat exchange design with pre-cooling (5°C inlet-outlet temperature difference) reduces power consumption, prevents secondary condensation, and uses R410a refrigerant to handle hot and humid operating conditions reliably.
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What communication and control options are available for system integration?
The electric control system includes a high-performance PLC compatible with mainstream communication protocols for seamless inverter integration, an Inovance heavy-duty inverter for precise speed control, and the Deman Intelligent Control System for advanced high-pressure algorithms. A 7-inch color touchscreen provides an intuitive interface for data visualization, monitoring, and user-friendly human-machine interaction.