PRE-PUR® Diffusers aquaculture france

PRE-PUR® Diffusers

PRE-PUR® Diffusers for Aquaculture

PRE-PUR® Diffusers are specifically designed for air and pure oxygen diffusion in aquaculture systems requiring maximum performance and reliability. Manufactured from high-quality sintered material, they produce extremely fine bubbles that maximize oxygen transfer while minimizing energy consumption.

Their excellent mechanical and chemical resistance ensures long-term operation in both freshwater and seawater environments. PRE-PUR® diffusers are ideally suited for Recirculating Aquaculture Systems (RAS), hatcheries, fish tanks, oxygenation columns, and any application requiring highly efficient oxygen dissolution.

Thanks to their uniform porous structure, they provide consistent gas distribution, low pressure loss, and excellent clogging resistance, ensuring reliable performance with minimal maintenance.

Applications

  • Air diffusion
  • Pure oxygen diffusion
  • Recirculating Aquaculture Systems (RAS)
  • Oxygenation columns
  • Hatcheries
  • Fish tanks and ponds
  • Water treatment

Benefits

  • Suitable for air and pure oxygen
  • Extremely fine bubble production
  • Excellent oxygen transfer efficiency
  • Very low pressure loss
  • High mechanical strength
  • Excellent chemical resistance
  • Outstanding clogging resistance
  • Suitable for freshwater and seawater
  • Long service life

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A premium diffuser developed from wastewater treatment technologies, designed to produce extremely fine bubbles. It features a plasticizer-free polyurethane membrane with an exceptionally long service life. The membrane provides permanent resistance to microbial attack and hydrolysis, while maintaining its elasticity, tensile strength, and tear resistance over time. Manufactured in Germany.

Models 1 2 3
Pre-PUR 0.5 Pre-PUR 0.75
Pre-PUR 1.0
Pre-PUR

E0571000

E0572000 E0573000
Ø - height(mm) Ø66-570 Ø66-820 Ø66-1070

Nm³/h

1.5 - 4 Nm³/h (*) 2.2 - 6 Nm³/h (*) 3 - 8 Nm³/h (*)
Diameter ¾" IG ¾" IG ¾" IG
Weight (kg) 0.7 1.0 1.3
(*) Recommended operating range

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