Overview- High energy efficiency due to optimized design, quality components and options such as variable‑speed control and heat recovery
- Certified 100% oil‑free production delivering proven compressed air quality
- Low noise operation enabled by reduced rotational speeds
- Uniform, low‑pulsation airflow thanks to continuously variable compression in the screw air end
- Lower operating and maintenance costs resulting from reduced internal temperature rise
- Compact footprint for easier installation in industrial plant rooms
- Consistent high water quality in the recirculation loop via integrated water treatment
- User‑friendly operation with a clear, functional control panel
- Easy maintenance and inspection through removable side doors and accessible service areas
Technical data (table)Oil‑free water‑injected rotary screw compressors: ZWF 55
Operating overpressure [bar]: 6 / 8 / 10 / 13
Delivery (m³/min) [6 bar]: 1.55 - 10.30
Delivery (m³/min) [8 bar]: 1.55 - 9.60
Delivery (m³/min) [10 bar]: 1.55 - 8.00
Delivery (m³/min) [13 bar]: -
Dimensions (L x W x H) [mm]: 2074 x 1307 x 1754
Compressed air connection: G 2
Weight [kg]: 1650
Ambient temperature [°C]: +5 ÷ +40
Cooling water flow, 100% water [m³/h]: 6.5
Cooling water flow, 40% glycol [m³/h]: 7.5
Compressed air temperature above water temperature [K]: 15
Sound level [dB(A)]: 74
Rated motor power [kW]: 55
Compressor water content [L]: 65
Voltage [V]: 380 - 440
Supply cable cross‑section [mm²]: 70
Recommended fuse [A]: 160
Features / technical specifications- Model: KOMPBERG® ZWF 55
- Type: water‑injected rotary screw compressor, oil‑free production
- Rated motor power: 55 kW
- Available operating pressures: 6 / 8 / 10 / 13 bar
- Flow range (depending on pressure): 6 bar: 1.55 – 10.30 m³/min; 8 bar: 1.55 – 9.60 m³/min; 10 bar: 1.55 – 8.00 m³/min
- Dimensions (L x W x H): 2074 x 1307 x 1754 mm
- Weight: 1650 kg
- Compressed air connection: G 2
- Ambient temperature range: +5 °C to +40 °C
- Cooling water flow (100% water): 6.5 m³/h
- Cooling water flow (40% glycol): 7.5 m³/h
- Air/water temperature rise: 15 K
- Sound level: 74 dB(A)
- Compressor water capacity: 65 L
- Supply voltage: 380 - 440 V
- Recommended supply cable: 70 mm²
- Recommended fuse: 160 A