VORTISAND MODELSVORTISAND®, the pioneer in centrifugal sand filtration technology, features a range of models tailored to all needs.
Manufactured by Sonitec, VORTISAND
® filtration system is supplied in a wide variety of models for full or variable flow ranging from 20 gpm to thousands gpm to offer OPTIMUM SOLUTIONS. Large capacity filters are available upon special requests.

SIDE STREAM "AWT" SERIE MODELSThe most suitable VORTISAND
® system will be chosen according to the tonnage of the refrigeration system, the circulation flow and/or the volume of water in the system. Other parameters such as temperature and maximum inlet pressure will also be considered.
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| AWT1-12-SP |
20 gpm |
12 |
2'9" x 4'6" x 2'3" |
0.5 |
1" |
1" |
450 |
| AWT1-16-SP |
30 gpm |
17 |
2'2" x 5'6" x 2'6" |
0.75 |
1 1/2" |
1 1/2" |
600 |
| AWT1-20-SP |
60 gpm |
35 |
2'7" x 5'6" x 3'0" |
1 |
1 1/2" |
1 1/2" |
1000 |
| AWT1-24-SP |
75 gpm |
40 |
3'0" x 5'9" x 3'6" |
1 1/2 |
2" |
1 1/2" |
1650 |
| AWT1-30-SP |
100 gpm |
50 |
3'3" x 6'3" x 4'0" |
2 |
2" |
1 1/2" |
2500 |
| AWT1-36-SP |
140 gpm |
70 |
3'7" x 7'0" x 4'6" |
3 |
3" |
2" |
4100 |
| AWT2-30-SP |
200 gpm |
50 |
7'11" x 6'3" x 4'0" |
5 |
3" |
1 1/2" |
5000 |
| AWT2-30-SP |
200 gpm |
50 |
7'11" x 6'3" x 4'0" |
5 |
3" |
1 1/2" |
5000 |
| AWT2-36-SP |
280 gpm |
70 |
9'3" x 7'0" x 4'6" |
7 |
4" |
1 1/2" |
8000 |
| AWT3-30-SP |
300 gpm |
50 |
11'2" x 6'3" x 4'0" |
7 1/2 |
4" |
1 1/2" |
7500 |
| AWT3-30-SP |
300 gpm |
50 |
11'2" x 6'3" x 4'0" |
7 1/2 |
4" |
1 1/2" |
7500 |
| AWT4-30-SP |
400 gpm |
50 |
13'10" x 6'3" x 4'0" |
10 |
4" |
1 1/2" |
10000 |
| AWT4-30-SP |
400 gpm |
50 |
13'10" x 6'3" x 4'0" |
10 |
4" |
1 1/2" |
10000 |
| AWT3-36-SP |
420 gpm |
70 |
12'11" x 7'0" x 4'6" |
10 |
4" |
1 1/2" |
12000 |
(1) All dimensions are approximate and may vary at fabrication
* SP - PVC PIPING
All above systems include 304 stainless steel tanks, PVC Schedule 80 piping
PVC under drain, cast iron body pump/motor, Aquamatic cast iron body valves, automatic control panel c/w PLC and OIU.
City water for backwash
Maximum Operating Temperature < 105 F.
Maximum Inlet Pressure: 70 psig.
* SI - GALVANIZED STEEL PIPING
All above systems include 304 stainless steel tanks, galvanized steel sch. 40 piping,
Stainless steel 304 under drain, cast iron body pump/motor, Aquamatic cast iron body valves,
automatic control panel c/w PLC and OIU.
City water for backwash
Maximum Operating Temperature < 180 F.
Maximum Inlet Pressure: 100 psig.
VORTISAND in-line serie (partial model listing)
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Full flow or process applications (pre ro, water reuse, etc).
Our "A" Serie is used for In-line applications to ensure a continuous or intermittent flow – the flow can be maintained during backwash operation. When one vessel is in backwwash mode the remaining vessels ensure the selected flow. VORTISAND
® filers are available in a variety of materials and components depending on each application requirements.
Sonitec manufactures customized systems based on your specifications.
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| A1-12-SP |
12 gpm |
12 |
2'9" x 4'6" x 2'3" |
0.5 |
1" |
1" |
450 |
| A1-16-SP |
20 gpm |
17 |
2'2" x 5'6" x 2'6" |
0.75 |
1 1/2" |
1 1/2" |
600 |
| A1-20-SP |
30 gpm |
35 |
2'7" x 5'6" x 3'0" |
1 |
1 1/2" |
1 1/2" |
1000 |
| A1-24-SP |
40 gpm |
40 |
3'0" x 5'9" x 3'6" |
1 1/2 |
2" |
1 1/2" |
1650 |
| A1-30-SP |
75 gpm |
50 |
3'3" x 6'3" x 4'0" |
2 |
2" |
1 1/2" |
2500 |
| A1-36-SP |
100 gpm |
70 |
3'7" x 7'0" x 4'6" |
3 |
3" |
2" |
4100 |
| A2-30-SP |
150 gpm |
50 |
7'11" x 6'3" x 4'0" |
5 |
3" |
1 1/2" |
5000 |
| A2-36-SP |
200 gpm |
70 |
9'3" x 7'0" x 4'6" |
7 1/2 |
4" |
1 1/2" |
8000 |
| A3-30-SP |
225 gpm |
50 |
11'2" x 6'3" x 4'0" |
7 1/2 |
4" |
1 1/2" |
7500 |
| A4-30-SP |
300 gpm |
50 |
13'10" x 6'3" x 4'0" |
10 |
4" |
1 1/2" |
10000 |
| A3-36-SP |
300 gpm |
70 |
12'11" x 7'0" x 4'6" |
10 |
4" |
1 1/2" |
12000 |
* Based on 15 gpm /sq.ft flowrate
Any combination of same vessel diameters can be used in parallel to achieve desired filtration flow rates. Sonitec shall require an application data sheet to be filled out on all non-standard applications for final sizing and pricing.
Sonitec does not recommend the use of the VORTISAND® filter for applications where oil and grease are present. However, the filter could be used if the following measures are carefully taken:
Bacteria controls must be rigorous. A too high bacteria level will contaminate the filter media and will create channeling inside the media. This situation will lead to a media carry over on the filtrate side of the filter.
Presence of oil and grease will lead to the same phenomenon as bacteria but could also lead to complete clogging of media. This will require the replacement of the media.