1.
material: polypropylene with 30 % of glass fibre
2. diameter 275mm
Fastening on pipe system:
1.
External thread R ½''
2. Fixing band PP with internal thread R ½''
on pipes with diameter: 50, 63, 75, 90, 110 mm
Description
of diaphragm:
1.
EPDM material
2. thickness: 1.8 mm
3. active surface: 260 cm²
Bubble size:
2-3
mm
Working temperature:
+5°C
to 80°C
Pressure loss:
<35
hPa for air flow at 0-4 m³/h
Pressure loss
at the end of the lifetime:
<65
hPa for air flow at 4 m³/h
Guarantee for oxygen transfer in clean water:
15gO2/(m³N
x depth in m.)
Recommended
air flow:
4
m³/h
Min. air flow:
from
0 m³/h
Max. air flow:
momentary
up to 6 m³/h (10min)
Lifetime:
Till 8 years in residental sewage treatment plants, depending on sewage constitution and terms of operation
Notice:
Diffuser
has received the certificate HK/W/0249/01/99 of
Państwowego Zakładu Higieny (National Hygiene Institute)
for the purpose of aeration of potable water
We continue the production
of diffuser AKWATECH 240 PA
)
