Merkur Bellows Piston Pumps

Merkur Bellows Piston Pumps 

Plunger Bellow Seals Piston Pumps

Improved bellows seal design eliminates throat seal leakage and lubrication

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.

Features :

  • 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

Specifications :

Merkur Bellows Pump
Maximum fluid inlet pressure
1.0 bar, 0.1 MPa
Maximum fluid temperature
Ambient temperature range
2° to 49°F
Stroke length
64 mm
Wetted parts
PEEK, PTFE, stainless steel, tungsten carbide, UHMWPE
Maximum Fluid Working Pressure
Models LB050A and LB050B
310 bar, 33.1 MPa
Models LB100A and LB100B
248 bar, 24.8 MPa
Models LB150A and LB150B
165 bar, 16.5 MPa
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