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Flow Technology

Porous disc diffusers for reliable and energy-efficient fine-bubble aeration of tanks in wastewater treatment plants. Suitable for continuous aeration systems even in aggressive types of wastewater.


Sulzer abs NOPON

Sulzer abs NOPON

(Disc diffuser system)

The two layer porous disc contains small pores. The main body distributes the air evenly over the entire surface of the disc. The air forms small bubbles, when released through the disc surface. When the air flow is turned off, the non-return valve closes and makes sure that no water enters the pipeline.
Manufactured by: Sulzer Pumps, Germany

      Technical Details 
  • Material of construction: main body - uPVC; wedge piece - uPVC; membrane disc - HDPE; screw on ring - uPVC
  • Bubble diameter: 1-3 mm
  • Membrane surface area: 0-0.25 m2
  • Air flow range: 1-5 m3/hr
  • Range: HKL 215
  • Size range: 215 mm
  •   Applications 
  • Continuous aeration
  •   Key Features 
  • For stainless steel pipes thread attachment is also available
  • Classic ABS NOPON fine-bubble disc diffuser with an HDPE aeration plate
  • Equipped with a non-return valve
  • Diffuser materials made of PVC and HDPE
  • Double layer disc to achieve top oxygen transfer yield with very low back pressure
  • Economical solution for continuous operation
  • High efficiency and reliability

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