The dual-charge deep bed manual filter
It is a simple equipment of a single tank with Carbotecnia dual load and manual control valve. Recommended for domestic or commercial use, and operation less than 23 hours.
This filter consists of a bed of anthracite number one 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.
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) |
Manual valve |
Input / Output Connections |
Drainage Connections |
---|---|---|---|---|---|---|---|---|---|---|---|
P_611001 |
8 × 44 |
0.75 |
9 |
2.5 |
13.2 |
3.5 |
26.5 |
7 |
Purago F1 |
1" |
1" |
P_611002 |
9 × 48 |
1 |
12 |
3.1 |
16.7 |
4.4 |
34.07 |
9 |
Purago F1 |
1" |
1" |
P_611003 |
10 × 54 |
1.5 |
15 |
3.9 |
20.8 |
5.5 |
37.85 |
10 |
Purago F1 |
1" |
1" |
P_611004 |
12 × 52 |
2 |
21 |
5.5 |
29.9 |
7.9 |
56.78 |
15 |
Purago F1 |
1" |
1" |
P_611005 |
13 × 54 |
2.5 |
24 |
6.4 |
34.8 |
9.2 |
71.92 |
19 |
Purago F1 |
1" |
1" |
P_611006 |
14 × 65 |
3 |
28 |
7.5 |
40.5 |
10.7 |
83.27 |
22 |
Purago F2 |
2" |
2" |
P_611007 |
16 × 65 |
4 |
37 |
9.8 |
53 |
14 |
109.77 |
29 |
Purago F2 |
2" |
2" |
P_611008 |
18 × 65 |
5 |
47 |
12.4 |
67 |
17.7 |
140.05 |
37 |
Purago F2 |
2" |
2" |
P_611009 |
21 × 62 |
7 |
64 |
16.9 |
91.2 |
24.1 |
166.54 |
44 |
Purago F2 |
2" |
2" |
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 the component in which the inlet, outlet and drain connections are made; It allows us to change between the different service or backwash positions, manually or to program it to do so automatically. 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 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 outlet line , 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 gravel 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
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