Self Priming Pumps ACO-HS25 | ACO Engineering Pumps

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Self Priming Pumps ACO-HS25

Our Self Priming Pumps ACO-HS25 have the best efficiencies of any self-primers on the market. Designed with our patented Cycloseal® sealing system to keep the seal area clear of debris, and ruggedly constructed for years of dependable operation with minimal maintenance.

The unique case design immediately identifies it as our pump. The higher efficiency and lower maintenance requirements of our Self Priming Pumps can translate into thousands of dollars saved in fuel costs, labor, and repairs over the life of the pump.

Min Flow290 gpm (66.7 m³/h)
Max Flow2,880 gpm (662.4 m³/h)
Discharge Size8" (200 mm)
Suction Size8" (200 mm)
Solids Handling3" (7.6 mm)
Max Speed1,800 rpm
BEP Head146' (44.5 m)
BEP Flow2,260 gpm (513.3 m³/h)

Advantages

  • Heavy-duty bearings with separate oil reserve
  • Back-pull out design for ease of maintenance
  • Self-cleaning adjustable wear plate
  • Patented Cycloseal® sealing system
  • Easily-replaceable suction check valve
  • Shimless impellers
  • Ductile iron construction
  • Premium efficiency up to 8% higher than competitors
  • Oversized steel shafts for durability
  • Double-lip seals for bearing protection

STX Series Pumps

  • Standard self-primers are premium efficiency wet prime pumps
  • After initial filling, will re-prime in operation
  • Available in 2" to 10" sizes
  • Designed as drop-in replacement for other self-primers
  • Cycloseal® technology, heavy-duty ductile iron castings
  • Oversized steel shafts, double-lip seals for bearing protection
  • Efficiencies up to 8% higher than competitors

STH Series Pumps

  • High-head self-priming pumps hitting heads 20% higher than competition
  • Runs at slower RPM with larger shafts and bearings
  • Outperforms competition in both durability and performance
  • Does not require a booster pump to hit heads of up to 253'
  • Flow rates up to 2,000 GPM
  • Designed for demanding high-head applications

STL Series Pumps

  • 8STL premium efficiency wet prime pump for unique market needs
  • All features of STX and STH series included
  • Uniquely designed to run at 1,800 RPM
  • Higher speed capacity for engine applications
  • No speed reducing gear boxes required
  • Performance exceeds competition with frame and SAE mount options

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