Products

End Suction Pump

ACO Engineering Pumps End Suction Pumps are single-stage, single-suction centrifugal pumps designed for a wide range of applications. These pumps feature a back-pull-out design that allows for easy maintenance without disturbing the piping connections. Built with high-quality cast iron or stainless steel construction, the End Suction Pump delivers reliable performance for water supply, HVAC, industrial process, and chemical applications. The open impeller design handles clear liquids and light slurries with high efficiency, while the enclosed impeller option is available for higher head requirements.

CapacityUp to 2,000 m³/h
HeadUp to 160 m
Power Range0.55 – 250 kW
Temperature-20 °C to +120 °C
Suction Size32 mm to 400 mm
Discharge Size25 mm to 350 mm
Speed1,450 / 2,900 rpm (50 Hz) / 1,750 / 3,500 rpm (60 Hz)
MaterialCast iron, stainless steel, bronze
ApplicationsWater supply, HVAC, industrial process, chemical

Advantages

  • Back-pull-out design for easy maintenance without disturbing piping
  • High efficiency across a wide operating range
  • Robust construction with cast iron or stainless steel options
  • Open or enclosed impeller options for different applications
  • Mechanical seal with silicon carbide faces for durability
  • Direct coupled or close-coupled motor configurations
  • Low NPSH requirement for cavitation-free operation
  • Compact footprint for space-limited installations
  • Easy alignment and installation

Applications

  • Clean water supply and pressure boosting
  • HVAC heating and cooling systems
  • Industrial process water circulation
  • Chemical and petrochemical transfer
  • Irrigation and agricultural systems
  • Fire protection systems
  • Water treatment and filtration
  • Boiler feed and condensate return

Available Materials

  • Cast iron (standard duty, pH 5–12)
  • Ductile iron (heavy duty, impact resistance)
  • SS304 (general corrosion resistance)
  • SS316L (high corrosion resistance, chemical applications)
  • Bronze (marine and seawater applications)
  • Duplex stainless steel (high chloride environments)

Pump Design Features

  • Back-Pull-Out Design: Rotating assembly removable without disturbing suction/discharge piping
  • Impeller Options: Open impeller for solids handling, enclosed impeller for high efficiency
  • Bearing Assembly: Grease or oil lubricated, heavy-duty ball or roller bearings
  • Shaft Seal: Single or double mechanical seal, packing gland optional
  • Casing: Volute design with replaceable wear rings for extended service life
  • Motor Options: TEFC, ODP, or explosion-proof motors available

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