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Oil-Free Air Ends

  • Totally oil-free air compression 
  • Gear driven, single and double stage options 
  • An integral solution including oil-tank, oil-pump and oil-filter 
  • High efficiency and robust design, ensures reliable operation even under the most challenging conditions 
  • High efficiency for a lifetime: rotors and internal housing surfaces treated with Ultracoat (R) 
  • No corrosion due to stainless steel rotors in the high-pressure stage 
  • Suitable solutions available for both, general industrial and specialized applications 
  • We have over 60 years market experience in oil free compressor units

With decades of experience in compressor design, we've mastered the art of delivering top-notch oil-free screw compressor air ends. Our integrated solution features the compressor stage directly flanged onto a gearbox, complete with essential components like the oil tank, oil pump, and oil filter. Plus, our unique Ultracoat rotor coating ensures higher efficiency and corrosion protection. 
Our CD.S single-stage oil-free screw compressor blocks are perfect for low pressure applications like pneumatic conveying, jet starting, N2 generation, and bulk tanker ship unloading. 
For high-pressure demands, we offer the CD.D double-stage air ends, which are flanged onto the gearbox alongside the low-pressure stage. Rotors operate smoothly on anti-friction bearings, running freely without contact in demanding applications such as chemical, automotive, pharmaceutical, and food and beverage industries. 
With over 60 years of market experience in oil-free compressor units, trust us to meet your needs with expertise and excellence. 
 
Your advantages 
  • Different gear transmission ratios for maximum flexibility 
  • Integrated lube oil system 
  • Compact 2-stage compressor block: easy to install, reliable and safe 
  • High quality inlet/blowdown valve 
  • Reduced noise level due to ventur pre-silencer 
  • Also available: Ultralube F – our fully synthetic polyalphaolefin (PAO) food grade lubricant 
 
Ultracoat 
Ultracoat plays a crucial role in ensuring the reliability, longevity, and efficiency of our oil-free compressors. This innovative coating is applied to rotors, providing exceptional efficiency and corrosion protection, even in extreme conditions up to 270°C. 
Developed through extensive collaboration with leading research institutions and coating manufacturers, Ultracoat represents the pinnacle of dry screw coating technology. Since its inception in 1995, we have remained dedicated to continuously improving our high-performance coating systems to deliver the best possible oil-free air end to our customers. 
Ultracoat stands as the premier choice for dry screw coatings, offering unparalleled efficiency, durability, and performance.

Model Name

Max. Power Consumption (kW / hp)

Max. Volume Flow (m³/min / cfm)

Max. Pressure (bar(A) / psi(A))

Weight (kg / lbs)

CD8D

113 / 152

15.1 / 532

11.5 / 167

560 / 1234

CD14D

227 / 304.4

30.1 / 1062

11.5 / 167

530 / 1168

CD26D

376.5 / 505

49.8 / 1757

11.5 / 167

1220 / 2689

CD42D

589 / 790

81.4 / 2873

11.5 / 167

1760 / 38

Model Name

Max. power consumption (kW / hp)

Max. volume flow (m3/min / cfm)

Max pressure (bar(A) / psi(A))

Weight (kg / lbs)

CD14S

145 / 194.4

30.5 / 1078

4.6 / 67

300 / 661

CD26S

231 / 310

49.8 / 1757

4.6 / 67

360 / 1389

CD26S-Jet

314 / 421

70.5 / 2491

4 / 58

750 / 1653

CD42S

377 / 506

83.2 / 2936

4.6 / 67

1100 / 2425

CD42S-Jet

489 / 656

112.6 / 3978

4 / 58

1200 / 2646

CD72S

579 / 776

131.6 / 4647

4.6 / 67

2000 / 4409

CD72S-Jet

681 / 913

170.3 / 6015

4 / 58

2200 / 4850

CD8D

113 / 152

15.1 / 532

11.5 / 167

560 / 1234

CD14D

227 / 304.4

30.1 / 1062

11.5 / 167

530 / 1168

CD26D

376.5 / 505

49.8 / 1757

11.5 / 167

1220 / 2689

CD42D

589 / 790

81.4 / 2873

11.5 / 167

1760 / 3880