Clack valves for softeners and filters.

Automatic deep bed filter with dual bed

Sand and anthracite dual bed filtration with automatic control

The Carbotecnia dual load filter is ideal for use in applications where the water contains a high concentration of suspended solids and when the filtration speed is high.

Dual bed filters provide high filtration efficiency compared to sand filters. Because anthracite is a coarser medium than sand, larger gaps are formed between the grains, resulting in a higher capacity to hold suspended solids without saturating the top layer of the filter. While the sand bed under the anthracite, is responsible for retaining the smallest suspended particles that managed to pass the upper bed. The result of taking advantage of the full depth of the filter is a lower initial pressure drop and longer times between backwashes.

Advantage Applications
  • High efficiency in the retention of suspended solids at high filtration speeds.
  • Filtration between 20 - 30 microns or microns.
  • Dual filters have a higher solids holding capacity than conventional silica sand only filters.
  • Longer filtration cycles between backwashes with minimal pressure drop.
  • Drinking water filtration.
  • Industrial process water filtration.
  • Filtration of effluents or water treatment plants.
  • Pool filtration.
  • Retention and reduction of particles suspended in the water.
  • Filtration of surface water rivers or wells.
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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. 

  1. 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.
  2. 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.

 

 

Data sheet

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