Spiral Aerator
Float-Mounted Self-Aspirating Aerator

|
WBL-I |
WBL-Is |
WBL-II |
WBL-III |
WBL-IV |
WBL-V |
WBL-VII |
WBL-X |
WBL-XV |
WBL-XVIII |
WBL-XXII |
Power (kW) |
1.1 kW |
1.5 kW |
2.2 kW |
3 kW |
4 kW |
5.5 kW |
7.5 kW |
11 kW |
15 kW |
18.5 kW |
22 kW |
Power Supply Requirements |
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Power supply requirement |
400 V, 50 Hz, 3 phase with D-rated breaker |
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Power supply connector size (A) |
- |
- |
16 A |
16 A |
16 A |
16 A |
16 A |
32 A |
32 A |
63 A |
63 A |
Full load current (A) |
2.6 A |
3.4 A |
4.8 A |
6.3 A |
8.2 A |
10.9 A |
14.5 A |
20.8 A |
28.1 A |
34.5 A |
41 A |
Start-up current (A): Star-Delta |
- |
- |
- |
- |
22 A |
30 A |
41 A |
60 A |
82 A |
101 A |
120 A |
Start-up current (A): Direct on Line (DOL) |
19 A |
26 A |
37 A |
|
|
29 |
36 |
49 |
82 |
84 |
93 |
Generator (kVA): Star-Delta |
- |
- |
- |
- |
10 kVA |
13.5 kVA |
18 kVA |
26 kVA |
35 kVA |
43 kVA |
51 kVA |
Generator (kVA): Direct on Line (DOL) |
6 kVA |
8 kVA |
11 kVA |
15 kVA |
20 kVA |
27 kVA |
36 kVA |
52 kVA |
70 kVA |
86 kVA |
102 kVA |
Generator (kVA): Per additional aerator |
+2 kVA |
+3 kVA |
+4 kVA |
+5 kVA |
+6 kVA |
+8 kVA |
+11 kVA |
+ 15 kVA |
+20 kVA |
+ 25 kVA |
+30 kVA |
|
We do not recommend the use of variable speed drives or soft starters for Spiral Aerators. Please contact Corgin to discuss. |
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Operating Environment |
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Water depth (feasible) |
1.0 - 4.0 m |
1.8 - 4.5 m |
2.0 - 6.0 m |
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Water depth (optimum) |
1.5 - 3.0 m |
2.0 - 3.5 m |
2.5 - 4.0 m |
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Dimensions and Weights |
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Overall dimensions (LxWxH) |
2650 x 1400 x 1250 mm |
3300 x 1700 x 1500 mm |
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Weight (including float assembly) |
155 kg |
158 kg |
164 kg |
174 kg |
181 kg |
185 kg |
277 kg |
292 kg |
302 kg |
328 kg |
416 kg |
Severn Trent installed Spiral Aerators to address low dissolved oxygen (DO) and high maintenance costs.
Greg Tate stated "...the performance improved pretty much instantly" while Jack Morris noted "the amount of pain you save me here can be replicated on plenty of sites."
.
The oxygen transfer rate of a Spiral Aerator is 1:1 and can be 1:1.2 in some situations.
A Spiral Aerator provides a combination of aeration and mixing using a powerful horizontal flow and fine bubble aeration.
When hired or used in a temporary installation, a Spiral Aerator is moored using stainless steel mooring cables. When installed permanently, a Spiral Aerator is secured using a hinged side- or rear-fixing arm.
A bracket-mounted Spiral Aerator is secured using a galvanised steel, hinged bracket, which is made to fit an existing metal or concrete structure that may be in place. For example, bracket-mounted Spiral Aerators can be installed onto existing bridges across an aeration lane.
© Copyright Corgin Ltd
VAT Number: 756 1626 20
Company Number: 621 8442
Phone: +44 (0)1785 229300