EHV Series Air Compressor for Laser Cutting - High Efficiency from China Suppliers & Factory
Product Highlight
Purpose-Built High-Pressure Reliability
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.
Stably Supplying Premium Air Quality
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.
Engineered to Achieve Long-term Efficiency
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.
Heavy-Duty Thermal Stability for Harsh Environments
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.
Product Structure
High-pressure Dedicated Air-end
- 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
High-efficiency Oil-cooled Motor
- 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
Oversized Cooling System
- 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
Stainless Steel Piping
- SUS304 material with smooth interior, minimizing pressure drop
- High corrosion resistance, rust-proof, ensuring premium air quality
Electric Control
- 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
High-efficiency Aluminum-plate Air Dryer
- 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
Technical Parameter
| 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 |
Frequently Asked Questions
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Q What makes the high-pressure air-end in this compressor different from standard units?
The air-end is purpose-built specifically for high-pressure compression. It features an optimized rotor profile that minimizes internal leakage and incorporates 8 bearings for exceptional mechanical stability, precision, and extended service life—even under continuous high-pressure operating conditions.
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Q What is the maximum ambient temperature this compressor can operate in reliably?
Thanks to the oversized cooling system—which provides over 25% surplus cooling capacity—this compressor can operate reliably in ambient temperatures up to 46 °C, making it well-suited for demanding industrial and outdoor environments.
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Q How does the IE5 oil-cooled motor contribute to energy efficiency?
The IE5 oil-cooled permanent-magnet motor maintains high efficiency across a wide variable-frequency range of 20–110%, with an efficiency fluctuation of less than 4%. This ensures maximum energy savings under various load conditions, while the integrated motor and air-end structure further reduces transmission losses.
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Q What dew point performance can I expect from the built-in air dryer?
The high-efficiency aluminum-plate air dryer maintains a consistent outlet dew point of 2–10 °C, leveraging a high-efficiency heat exchange design with processing surplus. The 5 °C inlet-outlet temperature pre-cooling also helps reduce power consumption and prevents secondary condensation.
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Q Why is stainless steel piping used, and what are its advantages?
SUS304 stainless steel piping offers a smooth interior surface that minimizes pressure drop across the system, and provides high corrosion resistance to prevent rust contamination. This ensures clean, premium-quality compressed air throughout the entire lifecycle of the unit.
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Q What discharge pressure and flow rate options are available across the product range?
The product range covers discharge pressures from 1.3 MPa to 1.6 MPa and free air delivery (FAD) from 1.2 m³/min up to 3.6 m³/min. Drive power options span from 11 kW to 37 kW, providing flexible solutions for a variety of high-pressure industrial applications.