CRIUS

CR Series — Fixed Speed

Category: Screw Compressors

CR series Fixed Speed screw compressor (CR-7.5–CR-355). Power range 7.5–355 kW, robust and reliable.

Contact for Price
7.5 – 355 kW
Power
8 – 12.5 bar
Working Pressure
0.7 – 60.0 m³/min
Flow
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Technical Data

Technical Specifications

Complete specifications for model comparison and project planning.

Performance

Parameter Value Unit
Power 7.5 – 355 kW
Working Pressure 8 – 12.5 bar
Flow 0.7 – 60.0 m³/min
Model CR-7.5 – CR-355
Ambient Temperature -5 ~ +45 °C
Cooling Mode Air-Cooling / Water-Cooling
Discharge Temperature Ambient Temp + 15 °C

Technical

Parameter Value Unit
Noise Level 68 – 92 dB(A)

Electrical

Parameter Value Unit
Driven Mode Direct Drive
Voltage / Frequency 380V / 50Hz / 3Ph
Starting Mode Star-Delta (7.5–75 kW) / Y-Δ Starter (90–355 kW)

Physical

Parameter Value Unit
Dimension (L×W×H) 900×670×880 – 4300×2280×2380 mm
Weight 179 – 7800 kg
Air Outlet Pipe Rp1/2" – DN150
Description

Product Description

CR series Fixed Speed screw compressor (CR-7.5–CR-355) with Star-Delta (7.5–75 kW) and Y-Δ Starter (90–355 kW) starting modes. Air-Cooling and Water-Cooling options available for larger models. Pressure range 8–12.5 bar.
Commercial + Technical

Why Choose This Series

  • Optimized design screw airend designed specifically for maximum efficiency
  • Lower discharge temperatures for extended component life and reliability
  • Massive FAD Free Air Delivery compared to standard units
  • Advanced control system for precise pressure stability and monitoring
30% Energy Saving

What Users Face VS How We Solve

[✗] Common Issue

Huge energy loss from reducing 7-bar air to 2-3 bar. High maintenance costs of running standard units at low load.

[✓] Crius Solution

Eliminate throttling loss and cut power bills by 30% or more. Increased air delivery ensures stable production.

Best-Fit Industries

Recommended Applications

Mining & Quarry

Compressors for coal, nickel, and gold mining with high pressure.

Manufacturing

Industrial screw compressors for factories, automotive, and electronics.

Oil & Gas

Specialized compressors for oil & gas exploration in extreme environments.

Construction

Portable compressors for construction, tunneling, and infrastructure.

FAQ

Frequently Asked Questions

Screw compressors use two rotating rotors to compress air, suitable for 24/7 operations. Piston compressors use reciprocating motion, suitable for intermittent needs and high pressure.
Regular service is recommended every 500-1000 operating hours, depending on brand and type. Includes oil change, air filter, oil filter, and separator.
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