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ABS NOPON DISC DIFFUSER
SYSTEM SUCOFLOW
Large active surface area
Superior efficiency
Easy to fit thread connection
Delivery in ready made systems or loose
Ideal for retrievable systems
The ABS NOPON disc diffuser system SUCOFLOW DS 20 is the latest extension of the well-known ABS
NOPON diffuser range. The large active surface area guarantees superior oxygen transfer efficiency.
The combination of high efficiency and simple coupling system makes it an excellent choice for small
and medium size grids and perfect for retrievable systems.
Benefits
 The perforation of the EPDM membrane of the install on all types of pipe. No site welding is
ABS NOPON disc diffuser system SUCOFLOW needed. PVC, PP and SS are the most common
DS 20 is carried out in a specially developed solutions for the piping system.
process that optimizes the spacing and mini-
mizes the bubble coalescence Special applications
 The robust fiberglass support plate makes the  The SUCOFLOW DS 20 disc diffuser is ideal for
diffuser indestructible. A built-in non return high density aeration systems and perfectly suit-
valve gives additional safety to the operator able for retrievable systems.
when the air flow is interrupted, preventing  Thanks to it s unique characteristics it can be
sludge infiltration into the piping system. supplied as part of a complete aeration system,
 All materials used in the SUCOFLOW DS 20 are as per the ABS NOPON traditional concept, or
environmentally harmless. delivered loose to be installed on locally made
 Using the threaded fiberglass connector the distribution grids.
SUCOFLOW DS 20 is quick and easy to
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Standard Oxygen Transfer Efficiency
Specific Oxygen Transfer Capacity (gO 2 /m 3 " m)" m]
Specific Oxygen Transfer Capacity [gO2/m3
35
35
diffuser density:
15%
30
30
20%
25%
25
25
20
20
15
15
0 5 10 15
0 5 10 15
Air flow/diffuser (m 3 N /h)
Air flow/diffuser (m3 /h)
N
SUCOFLOW DS 20 Diffuser Pressure Loss
Diffuser Head Loss (mbar)
Diffuser Head Loss (mbar)
70
70
upper limit
60 average
60
lower limit
50
50
40
40
30
30
20
20
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Air flow/diffuser (m 3 N /h)
Air flow/diffuser (m3 /h)
N
Specific data of the
ABS NOPON disc diffuser system SUCOFLOW DS 20
Components and materials
Operating air flow 1-20,0 m 3 /h/diffuser
Membrane EPDM
Diffuser diameter 520 mm
Fixing ring SS 316
Membrane surface area 0,183 m 2
Non-return valve EPDM
Size of bubbles 1-3 mm
Support plate Fibreglass
Diffuser weight 2,3 kg
O-ring NBR
Max Air temperature + 100ÚC
Thread connection 1 1/2
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"
3
2
3
[gO /m m] at 4 m water depth
2
(gO /m " m) st 4 m water depth
Diffuser Head Loss (mbar)
Diffuser Head Loss (mbar)
210020 GB 04.05 ABS reserves the right to alter specifications due to technical developments.