Fine Bubble Disc Diffuser

Product Details:

Minimum Order Quantity 2 Piece
Brand/make PP AQUATECH
Model/Type DD 9 & 12
Installation Service Yes

We are a leading fine bubble disc diffuser manufacturer. We are offering a wide series of fine bubble disc diffuser and fittings that are needed in daily life. The back stops of these valves to avoid counter flow and well equipped. It (Fine Bubble Disc Diffuser) has PVC soft connector can be installed directly without and other auxiliary tools. They are operated very easily. They are working on the high oxygen transmission efficiency. They are very polymer and very easy to light.



  • Low energy cost
  • Little maintenance requirement
  • Product longevity
  • Operation flexibility


  • Fine bubble diffuser/ membrane diffuser
  • Increase surface area
  • Used where waste water is generated


Model PPA-DD-9 PPA-DD-12
Shape of aerator Disc type Disc type
Moc of membrane EPDM EPDM
Size of aerator 9” 12”
Type of bubble Fine bubble Fine bubble
Size of bubbles 0.8 mm – 2.1 mm 0.8 mm – 2.1 mm
Air flow rate 2.5 – 5.0 cum/hr 4.2 – 8.3 cum/hr
Flow range 0 -12.0 cum/hr 0 – 20.0 cum/hr
Moc of membrane support ABS ABS
Active surface area 0.0375 0.0650 sqm
Operating temperature range 35 deg. cel 35 deg. cel
Temperature tolerance Max 85 deg. cel max 85 deg. cel
Oxygen utilization ratio (%) 30 30
Size of end connection 3/4” Npt, male 3/4” Npt, male
Slit quantity 6600 10155
Weight 0.680 kg 1.4 kg