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Magnetically Coupled External Gear Pumps - W Series
Discover the advanced technology of the W Series chemical metering pumps by Ingersoll Rand. Designed for demanding applications in water and wastewater treatment. With a unique magnetic drive design and external gear mechanism, these pumps are the perfect solution for applications requiring precision and reliability.  



Viscosity (cPs)

0.3 to 2000

Diff. Pressure

Up to 247 psi (17 bar)

System Pressure

Up to 500 psi (34.5 bar)

Temperature Range

-51 to 349°F (-46° to 176°C)

Flow Ranges

0.11 - 12 ml/Rev
0.00671 - 0.73 in³/rev

Multiple Materials Available

316 SS, Hastelloy, Titanium

Additional:

  • Gear and Bearing Options Available
  • Welded Drive Magnet
  • Self Priming
  • 20,000 Hour Life Expectancy

Key Features
  • Precise Metering: Accuracy better than 1% enables precise chemical dosing, essential for many industrial processes.  
  • Wide Flow Range: From less than 1 ml/min to 2460 l/h (650 GPH), providing flexibility to meet user requirements.  
  • High Pressure Resistance: Maximum differential pressure up to 17.2 bar (250 PSI) allows operation in high-pressure systems.  
  • Durable Construction Materials: Made from 316 stainless steel, Hastelloy, or titanium for excellent corrosion resistance and durability in aggressive environments.  
Applications  The W Series pumps are ideal for dosing various chemicals, such as:
  • Sodium hypochlorite  
  • Alum  
  • Ferric chloride  
  • Hydrofluorosilicic acid  
  • Methanol  
  • Polymers  
  • Sodium bisulfite  
  • Sodium hydroxide  
  • Sulfuric acid  
Seal-Free Technology  With a seal-free magnetic drive design, these pumps eliminate the risk of leaks, ensuring maximum safety and reliability during chemical dosing.    Ensure top-notch quality and performance in your chemical dosing applications with the W Series pumps. Contact us today to learn more or place your order!  Why Choose the W Series by Ingersoll Rand?  
  • Reliability in harsh conditions
  • Superior resistance to aggressive chemicals
  • Minimal maintenance requirements