Save Energy & money with the KRSV vacuum pump! 


Is your industrial vacuum pump burning through energy and budgets? Meet the award-winning industrial vacuum pump perfect for the woodworking industry! The only vacuum pump with a Variable-Speed Drive (VSD) and patented Variable-Discharge Port technology (and more), the Kaishan KRSV results in efficiency, reliability, and energy-savings for the woodworking industry. 

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KRSV Features 

  • Rotary screw technology combined with a VSD provides the ultimate in performance, dependability, and efficiency. 
  • Not familiar with VSD's? Think of a VSD like the gas pedal in your car. Instead of your motor running full speed all the time (like driving with your pedal pressed to the floor), a VSD lets the motor run only as fast as needed for the performance needed. 
  • In addition to the VSD, Kaishan's patented Variable-Discharge Port technology provides even greater efficiency by adjusting the compression ratio as the vacuum level changes, allowing the KRSV to deliver maximum efficiency at any vacuum level.  
  • That means less wasted energy, less wear and tear, and smoother performance.  

KRSV Benefits

  1. Energy Savings: Cuts electricity usage significantly by slowing the vacuum pump when full power isn't needed. 
  2. Longer Equipment Life: Reduces stress on motors and machinery by avoiding sudden starts and stops. 
  3. Better Control: Delivers exactly the right performance for the job—improving quality and efficiency. 
  4. Quieter Operation: Equipment runs quieter when not forced to run at maximum speed. 
  5. Lower Costs: Reduced energy bills and maintenance add up to fast payback. 
  6. Award-Winning: Voted #1 by engineers, plant managers, and maintenance pros, the KRSV won Plant Engineering magazine's 2025 Product of the Year!   

Give Your Facility Some Peace of Mind 

See how the Kaishan KRSV proves the lowest cost of ownership compared with other vacuum pumps. In addition, did we mention:

  • 40-60% more efficient than oil-sealed liquid ring pumps  
  • 30-50% more efficient than other rotary screw pumps  
  • Large inventory, fast delivery 
  • Five-year, best-in-industry warranty 

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KRSV Fact Sheet