335-605 HP Rotary V-Belt Drive

Challenge: How to design and manufacture powerful, but economical and reliable air compressors to meet critical operating criteria, while providing efficiency and flexibility for future enhancements.

Myth: So-called "belt" drive systems are difficult to adjust, either being too loose or too tight, contributing to operating inefficiency and even early failure.

Learn from us: The Kaeser "V-Belt" drive system was one of the first such systems to be implemented by a major air compressor manufacturer. Kaeser's rotary screw compressors with V-Belt design are the most economical and reliable in the industry. Thanks to its highly effective belt-tensioning system, which ensures excellent transmission efficiency and reduced maintenance costs, any drawbacks to a belt system have been eliminated. What's more, the V-Belt design is very flexible and can be easily modified, in the field, if a change in working pressure becomes necessary.

Hope Air Systems responds: The Kaeser FS/GS/HS Series of rotary screw V-Belt drive air compressors range from 335 horsepower to 605 horsepower with capacities from 1,200 to 3,308 cfm and pressures from 50 to 205 psig. These are powerful machines. The standard units are air cooled and soundproofed. As a result of Kaeser's proprietary Sigma profile airend, these systems achieve optimum efficiency at low rotational speeds. The machines are built with close machining tolerances, reducing back-flow losses without the need for sealing strips. Optimum flow porting design ensures minimal flow resistance resulting in higher efficiencies.

Let's look at some special features: The Kaeser V-Belt drive rotary screw air compressors are available from 3 HP to 605 HP and everything in between. Many of the common features include:

• High efficiency electric motors with thermal
  overload protection
  
• Wye-Delta starter assures smooth acceleration
  
• Sigma Control available for built-in monitoring capability
  
• Safety pressure relief valves
  
• Emergency stop buttons
  
• Fluid level sight glasses
  
• High efficiency water-cooled aftercoolers
  
• Intake and cooling air enters through louvered doors
  
• Two-stage four micron air intake filters
  
• Pneumatic inlet and vent valve
  
• Soundproof enclosure
  
• Many more features
  

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