The deep bed filter with dual loading and automatic valve
It is ideal for use in applications where the water contains a high concentration of suspended solids and a high filtration rate is required.
This dual chamber filter consists of a number one anthracite bed with an effective size (TE) of 0.85 - 0.95 mm; Placed on a bed of 16 x 35 US Std. Mesh silica sand with 0.44 - 0.52mm TE, this filter uses 1/8 x 1/16 US Std. Mesh silica gravel as support medium.
The granular media used in the Carbotecnia dual bed are evaluated in accordance with the quality parameters specified by the AWWA in the B-100 standard.
Automatic filters with standard valves (Aquatrol):
Code |
Tank size (in) |
Bed Volume (ft3) |
Normal service flow (lpm) |
Normal Service Flow (gpm) |
Maximum service flow (lpm) |
Maximum service flow (gpm) |
Backwash flow (lpm) |
Backwash flow (gpm) |
Automatic Valve (Aquatrol) |
Input / Output Connections |
Drainage Connections |
---|---|---|---|---|---|---|---|---|---|---|---|
P_611023 |
8 × 44 |
0.75 |
9 |
2.5 |
13.2 |
3.5 |
26.5 |
7 |
AQT-275FT |
1" |
¾ " |
P_611024 |
9 × 48 |
1 |
12 |
3.1 |
16.7 |
4.4 |
34.07 |
9 |
AQT-275FT |
1" |
¾ " |
P_611025 |
10 × 54 |
1.5 |
15 |
3.9 |
20.8 |
5.5 |
37.85 |
10 |
AQT-275FT |
1" |
¾ " |
P_611026 |
12 × 52 |
2 |
21 |
5.5 |
29.9 |
7.9 |
56.78 |
15 |
AQT-275FT |
1" |
¾ " |
P_611027 |
13 × 54 |
2.5 |
24 |
6.4 |
34.8 |
9.2 |
71.92 |
19 |
AQT-275FT |
1" |
¾ " |
P_611028 |
14 × 65 |
3 |
28 |
7.5 |
40.5 |
10.7 |
83.27 |
22 |
AQT-275FT |
1" |
¾ " |
P_611029 |
16 × 65 |
4 |
37 |
9.8 |
53 |
14 |
109.77 |
29 |
AQT-285FT |
1 ½ ” |
1" |
P_611030 |
18 × 65 |
5 |
47 |
12.4 |
67 |
17.7 |
140.05 |
37 |
AQT-285FT |
1 ½ ” |
1" |
P_611031 |
21 × 62 |
7 |
64 |
16.9 |
91.2 |
24.1 |
166.54 |
44 |
AQT-285FT |
1 ½ ” |
1" |
P_611032 |
24 × 72 |
10 |
83 |
22 |
118.8 |
31.4 |
227.1 |
60 |
AQT-315FT |
2" |
2" |
P_611033 |
30 × 72 |
15 |
130 |
34.4 |
185.8 |
49.1 |
378.5 |
100 |
AQT-315FT |
2" |
2" |
Automatic Filters with Premium Valves (Clack):
Code |
Tank size (in) |
Bed Volume (ft3) |
Normal service flow (lpm) |
Normal Service Flow (gpm) |
Maximum service flow (lpm) |
Maximum service flow (gpm) |
Backwash flow (lpm) |
Backwash flow (gpm) |
Automatic Clack Valve |
Input / Output Connections |
Drainage Connections |
---|---|---|---|---|---|---|---|---|---|---|---|
P_611010 |
8 × 44 |
0.75 |
9 |
2.5 |
13.2 |
3.5 |
26.5 |
7 |
Clack WS1 |
¾ " |
¾ " |
P_611011 |
9 × 48 |
1 |
12 |
3.1 |
16.7 |
4.4 |
34.07 |
9 |
Clack WS1 |
¾ " |
¾ " |
P_611012 |
10 × 54 |
1.5 |
15 |
3.9 |
20.8 |
5.5 |
37.85 |
10 |
Clack WS1 |
¾ " |
¾ " |
P_611013 |
12 × 52 |
2 |
21 |
5.5 |
29.9 |
7.9 |
56.78 |
15 |
Clack WS1 |
¾ " |
1" |
P_611014 |
13 × 54 |
2.5 |
24 |
6.4 |
34.8 |
9.2 |
71.92 |
19 |
Clack WS1 |
¾ " |
1" |
P_611015 |
14 × 65 |
3 |
28 |
7.5 |
40.5 |
10.7 |
83.27 |
22 |
Clack WS1.25 |
1 ¼ ” |
1" |
P_611016 |
16 × 65 |
4 |
37 |
9.8 |
53 |
14 |
109.77 |
29 |
Clack WS1.25 |
1 ¼ ” |
1" |
P_611017 |
18 × 65 |
5 |
47 |
12.4 |
67 |
17.7 |
140.05 |
37 |
Clack WS1.5 |
1 ½ ” |
1 ½ ” |
P_611018 |
21 × 62 |
7 |
64 |
16.9 |
91.2 |
24.1 |
166.54 |
44 |
Clack WS1.5 |
1 ½ ” |
1 ½ ” |
P_611019 |
24 × 72 |
10 |
83 |
22 |
118.8 |
31.4 |
227.1 |
60 |
Clack WS2 / QC |
2" |
2" |
P_611020 |
30 × 72 |
15 |
130 |
34.4 |
185.8 |
49.1 |
378.5 |
100 |
Clack WS2H |
2" |
2 ½ ” |
P_611021 |
36 × 72 |
20 |
187 |
49.5 |
267.6 |
70.7 |
529.9 |
140 |
Clack WS3 |
3" |
3" |
P_611022 |
42 × 72 |
30 |
255 |
67.3 |
364.1 |
96.2 |
757 |
200 |
Clack WS3 |
3" |
4" |
Components of a filter:
Fiberglass tankMade from a single piece of fiberglass coated for mechanical strength and a polyethylene inner jacket. It is maintenance free. Max pressure operating pressure 150 psi.
Head or control valve: It is one of the main components, in which the inlet, outlet and drain connections are made; It allows us to switch between the different service or backwash positions, automatically programmed. Max pressure operating pressure 125 psi.
Granular filter medium: It is a bed made up of, anthracite number one with TE of 0.85 - 0.95 mm and silica sand 16 x 35 US Std. Mesh with TE of 0.44 - 0.52mm.
Lower distributor and distribution tube: The distributor or diffuser is a micro-grooved element, which is placed in the lower part of the tank, this allows a correct distribution of the flow in the backwash position, and operates as a physical barrier that does not allow the leakage of the granular medium to the line output, in the service position. There are simple distributors, stack type or distributors with lateral tubes, spider type; their selection depends on the flow of service and backwash, as well as the diameter of the tank. Its construction material is HDPE or ABS. The central tube is a Ced PVC tube. 40 connecting the lower distributor with the head or control valve.
Support gravel: 1/8 x 1/16 US Std. Mesh Silica Frava as support medium. By having a micro-grooved distributor, the need to place several gravel beds of different granulometry is eliminated to avoid the loss of material.
Operating conditions:
- Input pH: 3-12
- Bed Height (in): 30 - 40
- Free height for bed expansion (%, min.): 50
- Hydraulic Service Head (gpm / ft2): 7-10
- Backwash Hydraulic Head (gpm / ft2): 20 - 22
- Operating pressure: 30 - 100 psi
- Backwash: by pressure differential> 10 psid or by time every 72 hours max.
- Life time of granular medium: 3 to 5 years}
Available configurations:
Simple automatic filter by time: Carbotecnia dual-load single-tank equipment with automatic control valve for backwashing by time (every certain number of days or on a certain day of the week). Recommended for domestic or commercial use, and operation less than 23 hours. When ordering these equipments with premium valves (Clack), they have the option of automatic backwashing due to pressure drop (in order to make use of this configuration, a differential pressure switch must be requested from your sales consultant).
Multiple automatic filters: This configuration is only available for premium valves with industrial control (Clack WS2H and WS3). With this option, up to 16 units can be operated.
- Filters in parallel: this option allows all the filtration units to operate at the same time, except that one filter in the system is in the backwash stage. This system is programmed in such a way; that when one of the filters requires backwashing either by time or by pressure drop, the sequence of backwashing in series of all filters in the system begins; starting with the one that sent the signal.
- Progressive flow filters: this option is ideal when the demand for water varies and we have peak operating flows at different times of the day. This function consists of setting a flow value at which one or more filters will come into operation in order to satisfy the required flow. A flow value must be specified for the incorporation of each of the system filters.
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