Seko Diaphragm Pumps

Duotek AF0400

The Duotek AF0400 is an air-operated double-diaphragm (AODD) pump with a 1 1/2" BSP connection and delivers a maximum flow rate of 380 l/min. It offers a versatile solution for chemical dosing and liquid transfer applications and is easily adjustable thanks to its intuitive controls.

Since it contains no electrical components, it can be fully submerged in liquid without compromising performance; it easily handles high-viscosity, corrosive fluids, and those containing suspended solids. Its seal-less design allows it to run dry for up to 6 meters, while its fully bolted housing ensures superior leak-tightness and safety.

Every fully assembled Duotek pump undergoes a 100% wet test, which includes dry-run, initial suction, and leak testing. Thanks to its lightweight and compact design, it is easy to install, operate, and maintain; it is also available with an optional transport cart.

  • 380 l/min Maximum Flow Rate
  • 80 m Maximum Discharge Head
  • 8 bar Maximum Air Pressure

Technical Info

Technical Specifications

Liquid Connections 1 1/2" BSP (DN40)
Air Connection 1/2" BSP
Maximum Flow Rate 380 l/min
Maximum Air Pressure 8 bar
Maximum Discharge Head 80 m
Maximum Suction Lift (Dry) 5 m
Maximum Suction Lift (Wet) 9,8 m
Maximum Solids Passage 8 mm
Noise Level 78 dB
Maximum Viscosity 40,000 cps
Displacement per Stroke 1.200 cc

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