Rotorcomp Air End Evo9-Nk Screw Air Compressor Head

Integrates air end, inlet valve, oil separation system, oil filter, thermostat, and minimum pressure valve into one compact module. Reduces piping, leaks, assembly time, and system costs.

  • Working Pressure:7~16[ bar ]1014.5~232[ psig ]
  • Free Air Delivery:297[ cfm ]8.4[ m3/min ]
  • Working Power:22~55[ kw ]30~75[ hp ]

Product Details

EVO9-NK (3).jpg

ROTORCOMP EVO9-NK product features

1. All-in-One Integrated Design
Integrates air end, inlet valve, oil separation system, oil filter, thermostat, and minimum pressure valve into one compact module. Reduces piping, leaks, assembly time, and system costs.

2. ROLLING PROFILE® Rotor Technology
Patented rotor design delivers high efficiency, low noise, and wear‑free operation. Optimized port design minimizes internal leakage and power consumption.

3. 100% German Quality – Made in Germany
Manufactured in Germany and fully bench‑tested before shipment for guaranteed reliability.

4. 24/7 Continuous Operation
Built for demanding industrial environments. Oversized bearings and wear‑free rotors ensure long service life.

5. Low Noise & Low Vibration
Smooth rotor action and optimized outlets significantly reduce noise and vibration levels.

6. Flexible Configuration

  • Pressure: 5–15 barg (70–220 psig)

  • Drive: belt, direct, or internal gear

  • Mounting: base or face‑flange

  • Compatible with all motor types

7. Leak‑Free & Space‑Saving
Minimized piping and Viton® O‑ring sealing ensure high airtightness in a compact footprint.

8. Easy Maintenance
All service points accessible from one side; no special tools required.

9. Cost‑Effective Integration
Lowers design, manufacturing, and logistics costs vs. separate components.

10. Gas Compression Variant Available (EVO9-NK-G)
Designed for fuel gas boosting, vapour recovery, natural gas, and gas well applications. Capacity up to 504 m³/h, power up to 55 kW.

Technical Parameters

Model

Motor Power

(min~max)

Max Flow ratePressure RangeDimensionsWeight

kWHPm3/mincfmbarpsiLengthWidthHeightkg
EVO22.2~113~151.6565~157~22025116013616
EVO35.5~18.57~252.91025~157~22028518414821
EVO615~3720~506.22205~157~22037223619145
EVO922~5530~758.42975~157~220419276218.565
EVO1545~9060~12014.25005~157~220540331264126
EVO2875~160100~21526.19205~157~220669445354269
EVO42132~250175~33538.313535~157~220///470
EVO76160~540214~7257626783.5~1750~250///1250
EVO2-NK2.2~113~151.6565~157~22050040050050
EVO3-NK5.5~18.57~252.91025~157~22047032844060
EVO6-NK15–3720~505.52005~157~220483440564105
EVO9-NK22~5530~758.43005~157~220578560795202