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Merkur Bellows Piston Pumps
Finishing Home > Pumps > Merkur Bellows Piston Pumps

New Technology in Piston Pumps

Graco’s bellows pumps provide low maintenance with no seals exposed to the atmosphere. These pumps are designed to eliminate conventional throat seals, providing high reliability for moisture-sensitive materials.

Powerful Capabilities in a Unique Piston Pump

  • Highest technology air motor on the market
  • Low air consumption for increased efficiency
  • Simple air motor design and minimal parts reduces repair time
  • Easy-to-flush design allows for fast color changes and reduced material waste
  • 300 series stainless steel pump construction provides long-lasting durability
  • Fewer parts and online replacement bellows seal means improved serviceability, lower cost of ownership and reduced downtime
 

 

  • Varnish and lacquer
  • High solid coatings
  • Abrasive materials
  • Solvent and waterborne materials
  • Moisture-sensitive materials
  • UV-cure coatings
 

 

  • Wood and metal automatic applications
  • Door and window manufacturing
  • Kitchen cabinetry, furniture and general woodworking
  • Hardener transfer
  • Metal and plastic automotive components, farm equipment, truck and bus manufacturing
 

Monitor and protect your pump

  • Easy-to-set runaway protection
  • Pump diagnostics for maintenance
  • Resettable batch counter tracks material usage and maintenance schedule
 

 

The Merkur air motor is one of the highest technology air motors on the market. It's designed to provide a smooth, rapid changeover for a better, more consistent finish and less user fatigue.

  1. Air valve provides smooth and rapid changeover.
  2. Quick removal coupler allows for easy disassembly of the pump lower 
from the air motor.
  3. Rotatable inlet fitting can be rotated 360 degrees for 
easy access.
  4. Improved bellows seal design eliminates throat seal leakage and lubrication.
  5. Optional overflow chamber and D-shaped seal contains the material within the pump in case of bellows leakage.
  6. Throat and piston packings are spring-loaded to maintain long packing 
life – no adjustments needed. Available with V-Packing seals for abrasives 
or U-Cup seals for UV coatings.
Cutaway Illustration


     

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