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**Product Title:**
3HP Electric Belt Driven Rotary Screw Air Compressor for Industrial Use
**Specifications:**
- **Model No.:** YD-ERC3SA
- **Brand:** Hengda Screw Air Compressor
- **Cooling Type:** Air Cooling
- **Bearing:** Designed for both low and high usage applications
- **Color:** Red
- **Oil Filter:** Mann
- **Electric Parts:** ABB
- **Noise Level:** Not Mute (Standard operation)
- **Centrifugal Unloading:** Releases from Inter-Cooler and Cylinder
- **Conductor:** Schneider (France)
- **Pressure Valve:** Hoerbiger (Germany)
- **Trademark:** Hengda
- **Packaging:** Wooden Case
- **Weight:** 350kg
- **Origin:** China
- **HS Code:** 8414804090
**Key Features:**
1. The steam turbine compressor is powered by an industrial power source, compressing air in a compression chamber and then pressurizing it efficiently.
2. A precisely manufactured central bracket ensures the motor remains aligned with the air end at all times.
3. A high-resilience coupling is used to ensure smooth operation, with long-lasting elastomer components.
4. The discharge pipe is made of double-wall corrugated material, and the oil line uses a special high-pressure hose that can withstand temperatures up to 125°C.
5. Energy-efficient design helps reduce environmental impact.
6. Known for stable performance and long service life.
**Types of Rotary Screw Air Compressors:**
1. Belt-driven double screw series
2. Direct-driven double screw series
3. Variable-frequency screw series
4. Combined screw series
5. Low-pressure screw series
6. Oil-free screw series
**Compatible After-Treatment Systems:**
1. Low-pressure air tank
2. High-pressure air tank
3. Pre-cooler
4. After-cooler
5. Oil-water separator
6. Pre-filter
7. High-temperature refrigerating dryer
8. Precision filter
9. Active carbonate filter
10. Super precision filter
**Technical Specifications Table:**
| Model | YD-ERC10SA | YD-ERC20SA | YD-ERC30SA |
|---------------|------------|------------|------------|
| Cooling Type | Water Cooling | Water Cooling | Water Cooling |
| Air Delivery / Working Pressure (m³/bar) | 1.0/8 | 2.2/8 | 3.6/8 |
| | 0.85/10 | 2.1/10 | 3.2/10 |
| | 0.7/12.5 | 1.8/12.5 | 2.5/12.5 |
| Compressor Power (kW) | 7.5 | 15 | 22 |
| Precision Filter Model | END012 | END024 | END038 |
| Weight (kg) | 680 | 810 | 930 |
| Cooling Air Volume (m³/min) | 32.5 | 50 | 110 |
| Pipe Connection Size | 3/4" | 1" | 1½" |
**Application:**
Ideal for industrial environments where reliable compressed air supply is essential. The unit is commonly installed in customer factories for continuous use and high-performance requirements.
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Ningbo Yinzhou Leisheng Machinery Co.,Ltd , https://www.nblscasting.com