Belt Power Frequency Air End 3.7KW
3.7 kW oil-free scroll air end, 0.4 m3/min at 0.8 MPa (0.35 at 1.0 MPa), ISO 8573-1 Class 0, quiet enough for laboratories and hospitals.
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A 3.7 kW belt-driven oil-free scroll air end rated at 0.4 m3/min at 0.8 MPa, or 0.35 m3/min at 1.0 MPa. Because it is oil-free, quiet and compact, it is the model most often chosen for laboratories, hospitals and dental surgeries – and as the building block for 7.5 kW and larger multi-unit compressors.
Key features
- ISO 8573-1 Class 0. Oil-free and clean, suitable for direct medical and laboratory use.
- Quiet operation. Scroll compression keeps noise low enough for a laboratory or hospital technical room.
- Compact structure. Small footprint and low weight, easy to fit into an existing service area.
- Low maintenance cost. No oil, no oil filter and few wearing parts.
- Flexible pressure. 0.4 m3/min at 0.8 MPa, 0.35 m3/min at 1.0 MPa.
- Proven platform. The same scroll element used in Hejun multi-unit compressors up to 55 kW.
Technical specifications
| MODEL | G05T |
| Power Kw | 3.7 |
| Voltage V | 380 |
| Rated Current A | 7.8 |
| Rated Pressure MPa | 0.8 |
| Max Pressure MPa | 1.0 |
| Capacity m3/min | 0.4(0.8Mpa)/0.35(1.0Mpa) |
| Rated Speed r/min | 3000 |
| Drive method | V-shaped pulley（SPZ) |
| Outer diameter of pulley mm | 104 |
| Ambient Temperature ℃ | -40~55 |
| Discharge temperature ℃ | ≤160 |
| Air Outlet | Rp3/8 |
| Dimension(L*W*H) mm | 446*341*311 |
| Weight Kg | 23 |
Rated current 7.8 A at 380 V. Other voltages can be supplied for OEM orders.
Applications
- Hospital and clinic compressed air
- Laboratory and analytical instrument air
- Dental surgeries
- Food and beverage production
- Oxygen and nitrogen generator feed air
Why buy from Hejun
- 100% oil-free, Class 0 air. Scroll compression with no oil in the air path, verified to ISO 8573-1 Class 0 by TÜV Rheinland.
- Manufacturer, not a trader. 80+ patents, 30+ engineers and an in-house test centre in Zhejiang, China.
- OEM / ODM ready. Custom voltage, pressure, colour, logo, packaging and nameplate for distributors and equipment builders.
- Every unit tested three times before shipment: pre-run, teardown inspection and performance test.
- Fast response. Quotation within 24 hours, English-speaking export team, worldwide shipping.
Product detail images
Frequently asked questions
How much air does it produce?
0.4 m3/min (400 L/min) at 0.8 MPa and 0.35 m3/min at 1.0 MPa.
Is it suitable for a dental clinic?
Yes. With a dryer and filtration the air meets the oil-free requirement for dental and medical air, and the low noise level allows installation near treatment rooms.
Can it be combined with other units for more capacity?
Yes. This 3.7 kW element is the building block for the 7.5 kW, 11 kW, 15 kW and larger multi-unit models.
