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CycloBlower Screw Blower Technology

For more than 60 years, the CycloBlower has set the standard as the original rotary screw blower. The CycloBlower Industrial Series delivers proven efficiency, dependable performance, and long service life across a wide range of applications. Its helical screw design provides smoother compression, reduced pulsation, and energy‑saving operation.

  • Increased efficiencies & energy savings compared to straight lobe blowers
  • Higher pressure & vacuum performance capabilities
  • Proven performance & dependable quality 
  • Reduced pulsation & noise levels
  • Oil-free air/gas delivery
  • Efficient, shock-free compression
  • Long service life
  • Engineered for continuous‑duty performance

 

The CycloBlower operates efficiently requiring less break horse power (BHP), helping reduce energy operating costs. Its helical screw rotor design supports smoother operation and consistent performance. Request a quote to find the right blower for your application.

  • Helical two‑lobe main rotor and four‑flute gate rotor milled from ductile iron
  • One‑piece, high‑strength housing
  • Dual splash lubrication
  • Proprietary Inpro bearing isolator seals (5CDL)
  • Labyrinth‑type shaft air seals
  • Helical timing gears
  • Anti‑friction bearings
  • Manufactured under ISO 9001 quality standards
  • Tested to meet strict performance requirements
  • Supported by a trusted local sales and service network 
  • Energy savings enabled by unique screw design
  • One‑piece housing resists deflection to maintain accurate rotor tolerances
  • Contoured porting supports smooth airflow
  • Dual splash lubrication reduces maintenance intervals and enhances durability
  • Inpro Seals provide strong protection against oil leaks
  • Air seals ensure controlled air or gas leakage
  • Mechanical seal option available for gas applications
  • Helical timing gears support quiet, accurate operation
  • Anti‑friction bearings carry shaft load across all models
  • Manufactured and tested under ISO 9001 quality standards
  • Backed by a local network of experienced service professionals 

CycloBlower Performance

Industrial Blowers Brochure

Conveying Solutions Brochure

CycloBlower Industrial Series - Helical Screw Blower and Vacuum Pump Brochure

Milling Solutions Brochure

Water and Wastewater Treatment Solutions Brochure

Gardner Denver provides comprehensive product support through a global network of distributors, a Master Distribution Center with genuine replacement parts, a Remanufacturing Center, and factory‑trained technicians.

  • Strong PD blower warranties
  • Authorized, factory‑trained PD blower distributors
  • Genuine PD blower replacement parts
  • 24‑hour PD blower service support 

Criteria 

CycloBlower Rotary Screw Blower 

Straight‑Lobe Blower

Compression Type 

Helical screw, shock‑free 

Straight‑lobe, pulsating 

Efficiency 

Higher efficiency, lower BHP 

Lower efficiency 

Noise & Pulsation 

Reduced pulsation and noise 

Higher pulsation 

Air/Gas Delivery 

Oil‑free 

Oil‑free (varies by model) 

Maintenance 

Dual splash lubrication for longer intervals 

Standard lubrication 

Application Fit 

Continuous‑duty, higher pressure/vacuum 

General‑purpose 

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