Oil Cooled Screw Air Compressor 55kw 75hp Industrial Air Compressor Rotary Air Compressor
Product Introduction
Overview
The 55kW / 75HP Oil-Cooled Screw Air Compressor represents the next generation of industrial compressed air technology. Featuring a revolutionary coaxial direct-drive transmission with zero efficiency loss, an IE5 liquid-cooled permanent magnet motor with IP65 full-sealed protection, and a compact suspended integrated design, this compressor delivers unmatched reliability, energy efficiency, and performance. Whether operating in high-temperature, high-humidity environments or demanding continuous-duty applications, this unit ensures stable, safe, and reliable industrial production.
Advantages & Features
1. New Generation Design
- Modern appearance design with new structure and stable quality
- Coaxial transmission mode with higher transmission efficiency and zero efficiency loss
- Suspended coaxial direct-connected integrated structure minimizes mechanical loss
- Compact design reduces floor space requirements
2. IE5 Permanent Magnet Variable Frequency Motor
- IE5 ultra-premium efficiency—the highest international efficiency standard
- Liquid-cooled motor housing with IP65 full-sealed protection
- Free speed adjustment according to customer requirements
- Complete motor protection ensures long-term reliability
3. Intelligent Frequency Converter
- Stable pressure and gas conditions tailored to customer needs
- Professional heat dissipation design operates at ambient temperatures up to 50°C
- Automatic output adjustment based on temperature rise conditions
- Continuous high-efficiency operation maintained at all times
4. Jaguar Aftercooler
- High-efficiency cooler with significant cooling effect
- Reliable operation even in harsh environments (high temperature, high humidity)
- Protects the compressor from overheating-related damage
5. Heavy-Duty Air Filter
- Unique air intake box system prevents dust entry
- Filters fine particles to ensure air quality entering the head
- Extends main engine service life through superior filtration
Application Scope
This versatile industrial compressor is widely used across multiple industries:
| Industry | Applications |
|---|---|
| Energy Industry | Power generation, oil & gas, renewable energy facilities |
| Textile Manufacturing | Loom jetting, spinning, finishing processes |
| Machinery Manufacturing | Assembly lines, CNC equipment, pneumatic tools |
| Chemical Manufacturing | Process air, instrumentation, material conveying |
| Automotive | Paint shops, assembly, robotic systems |
| Food & Beverage | Processing, packaging, pneumatic conveying |
| Pharmaceutical | Cleanroom air, tablet pressing, fermentation |
| Electronics | Semiconductor manufacturing, component testing |
Advantages Summary
| Feature | Benefit |
|---|---|
| IE5 Permanent Magnet Motor | Ultra-premium efficiency; highest international standard |
| IP65 Full-Sealed Protection | Complete dust and water protection; reliable in harsh environments |
| Liquid-Cooled Motor Housing | Optimal temperature control; extends motor life |
| Coaxial Direct Drive | Zero transmission efficiency loss; maximizes power transfer |
| Suspended Integrated Design | Minimizes mechanical loss; compact footprint |
| Variable Frequency Drive | Free speed adjustment; stable pressure output |
| Jaguar Aftercooler | High-efficiency cooling; reliable in 50°C ambient |
| Heavy-Duty Air Filter | Prevents dust ingress; extends main engine life |
| New Generation Design | Modern structure; stable quality |
| Professional Heat Dissipation | Automatic output adjustment; continuous high-efficiency operation |
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 55kW / 75HP Oil-Cooled Screw Air Compressor |
| Motor Power | 55 kW (75 HP) |
| Motor Type | IE5 Permanent Magnet Variable Frequency Motor |
| Motor Protection | IP65 Full-Sealed Protection |
| Motor Cooling | Liquid-Cooled Motor Housing |
| Drive Method | Coaxial Direct Drive (Zero Transmission Loss) |
| Control | Frequency Converter with Intelligent Control |
| Cooling System | Jaguar High-Efficiency Aftercooler |
| Maximum Ambient Temperature | 50°C |
| Filtration | Heavy-Duty Air Filter with Unique Intake Box |
| Design | Suspended Coaxial Integrated Structure |
| Transmission Efficiency | 100% (Zero Loss) |
| Pressure Stability | VFD-controlled stable output |
| Voltage | Standard / Customizable |
| Certification | CE, ISO |
| Application | Energy, Textile, Machinery, Chemical, and more |
Why Choose This Oil-Cooled Screw Compressor?
| Reason | Detail |
|---|---|
| Ultimate Energy Efficiency | IE5 motor with VFD control delivers maximum energy savings |
| Unmatched Reliability | IP65 motor protection and liquid cooling ensure long life |
| Zero Transmission Loss | Coaxial direct drive eliminates belt/coupling losses |
| Space-Saving Design | Compact integrated structure reduces floor space |
| Harsh Environment Ready | Operates reliably at 50°C ambient with superior cooling |
| Extended Component Life | Heavy-duty filtration protects the main engine |
| Precise Pressure Control | VFD technology delivers stable, consistent air supply |
| Low Maintenance | Simplified design with fewer wearing parts |
Customization Options
| Option | Available Choices |
|---|---|
| Voltage | 380V/3PH/50Hz, 220V/3PH/60Hz, 400V/3PH/50Hz, 460V/3PH/60Hz, others on request |
| Working Pressure | 8bar, 10bar, 13bar, or as specified |
| Cooling Method | Air Cooling / Water Cooling |
| Color | Standard OSG color or custom |
| Accessories | Air tank, dryer, filters, remote monitoring |
FAQ
Q1: What is the efficiency level of the motor?
A: The motor is IE5 ultra-premium efficiency—the highest international standard for motor efficiency, delivering significant energy savings.
Q2: What is the protection rating of the motor?
A: IP65 full-sealed protection ensures complete dust-tightness and protection against water jets, making it suitable for harsh industrial environments.
Q3: How does the cooling system perform?
A: The liquid-cooled motor housing combined with the Jaguar high-efficiency aftercooler ensures reliable operation even at ambient temperatures up to 50°C and in high-humidity conditions.
Q4: What is the transmission efficiency?
A: The coaxial direct-drive system features zero transmission efficiency loss, maximizing power transfer from motor to airend.
Q5: Does the unit save floor space?
A: Yes. The suspended coaxial integrated design significantly reduces footprint compared to traditional belt-driven or coupling-driven compressors.
Q6: Can the speed be adjusted?
A: Yes. The IE5 permanent magnet variable frequency motor allows free speed adjustment according to your specific air demand.
Q7: What industries is this compressor suitable for?
A: Widely used in energy, textile, machinery manufacturing, chemical, automotive, food, pharmaceutical, and electronics industries.
Q8: How does the air filter protect the compressor?
A: The heavy-duty air filter with unique intake box system prevents dust and fine particles from entering the system, extending main engine life significantly.













