DFB Belt-Driven Screw Air Compressor (7.5–75 kW)
Screw Air CompressorDrive
Belt drive with taper-lock pulleys. Belt tension checked and recorded at test.
Cooling
Air cooled, integrated cooler and fan.
Airend
Assembled and tested in our own plant. Rotors come from a qualified airend supplier; we do not claim in-house rotor development.
Bearings
SKF or NSK, depending on model and batch.
Electrical components
Schneider contactors and protective devices.
Control system
Siemens S7-200 SMART. Pressure band, loading hours and fault history readable on site.
Motor
Wolong or Wannan standard. Siemens or ABB, and IE4 / IE5 high-efficiency, available as options.
Testing before dispatch
Performance bench plus acoustic room. Records ship with the unit.
Product Advantages:
- Belt drive with a taper-lock pulley: the cheapest way to change speed if your duty point moves.
- Assembled and tested in our own plant; rotors from a qualified airend supplier.
- Bearings SKF or NSK, electrical components Schneider, control Siemens S7-200 SMART.
- Performance run on our test bench and noise checked in our acoustic room before dispatch.
- Test records travel with the shipment, so the numbers on this page can be checked against your unit.
No catalogues available.
Free Consultation:
If you are interested in our products, please contact us via email: info@example.com or send your inquiry in the form below, we will reply you within 24 hours.
DFB model range — 7.5 to 75 kW
Four pressure tiers: 0.7, 0.8, 1.0 and 1.2 MPa. Pick the tier that matches your tools, then pick the flow.
| Model | m³/min 0.7 MPa | m³/min 0.8 MPa | m³/min 1.0 MPa | m³/min 1.2 MPa | Motor kW | Weight kg | L×W×H mm | Outlet | Noise dB(A) |
|---|---|---|---|---|---|---|---|---|---|
| DFB-10A | 1.20 | 1.10 | 0.96 | 0.80 | 7.5 | 240 | 795×670×940 | 1/2" | 63±2 |
| DFB-15A | 1.65 | 1.53 | 1.32 | 1.10 | 11 | 350 | 820×700×1050 | 3/4" | 63±2 |
| DFB-20A | 2.25 | 2.03 | 1.82 | 1.55 | 15 | 420 | 880×710×1040 | 3/4" | 63±2 |
| DFB-25A | 3.22 | 3.01 | 2.52 | 2.30 | 18.5 | 540 | 1020×800×1190 | G1" | 63±2 |
| DFB-30A | 3.60 | 3.56 | 3.07 | 2.84 | 22 | 610 | 1020×800×1190 | G1" | 63±2 |
| DFB-40A | 5.20 | 5.06 | 4.53 | 3.90 | 30 | 660 | 1030×860×1320 | G1 1/2" | 65±2 |
| DFB-50A | 6.58 | 6.26 | 5.80 | 5.06 | 37 | 840 | 1140×920×1360 | G1 1/2" | 65±2 |
| DFB-60A | 7.36 | 7.10 | 6.47 | 5.80 | 45 | 920 | 1380×940×1460 | G1 1/2" | 68±2 |
| DFB-75A | 10.8 | 10.1 | 8.50 | 7.69 | 55 | 1350 | 1400×1010×1660 | G2" | 68±2 |
| DFB-100A | 13.5 | 12.7 | 11.3 | 10.0 | 75 | 1620 | 1635×1080×1830 | G2" | 68±2 |
Capacities to ISO 1217 Annex C at 8 bar unless the column says otherwise. 380 V 3 phase 50 Hz. Noise at 1 m, free field. Dimensions exclude the dryer and tank.
