Twin Water Softeners

Twin automatic smoother with one or two interconnected digital Clack valves

Two cationic resin columns, operating alternately, capable of delivering softened water 24h.

Applications and advantages:

  • Remove hardness from drinking water (calcium and magnesium)
  • Suitable for continuous use processes, guaranteeing softened water 24 h.
  • Immediate or delayed feedback.
  • Great water and salt savings by using the 100% of tank capacity in service, before switching to the second tank.
  • Improves the efficiency of water heaters, reducing gas or electricity consumption.
  • Option to regenerate with soft water and keep the system clean for maximum efficiency and minimum maintenance.
  • Prevention of scale formation in heat exchange systems. 
  • Prevention of clogging of pipes. 
  • Reverse osmosis membrane plugging prevention. 
  • Water conditioning for specific processes requiring a low level of fouling. 

Product images are illustrative and may vary from the physical product.

Softeners, also called softeners, are intended to remove hardness (hard water). This means that the calcium and magnesium, which produce the hardness, will be almost completely removed from the water to be treated.

The softening of water is carried out by means of cation exchange resins that replace the calcium and magnesium in the water with sodium ions. For this purpose they require a regeneration with salt (industrial or pellet, with purity equal to or greater than 99.2%) to recover their exchange capacity.

Twin or twin softeners are packages ready to be assembled and installed and consist of a fiberglass tank, one or two automatic valves with a top mounted meter, interconnected by an alternating valve, a distributor and internal manifold per tank, cationic resin , gravel and support and a brine tank (for regeneration salt) with suction system.

The line of domestic-commercial twin softeners is designed to treat water with a low to medium hardness content, less than 200 mg / L.

Twin STD capacity softeners, for commercial and industrial use, can treat water with hardness greater than 200 mg / L very efficiently.

Operating conditions:

  • System operating pressure: 20 to 100 psi. 
  • Max temp. operating temperature: 49 ° C.
  • Feeding water:
  • Prefiltration: 5 𝝁m
  • Input pH: 6.0 - 10.0
  • Free chlorine: <0.5 mg / L
  • Turbidity: <5.0 NTU

Twin domestic softeners - commercial:

Code
Tank size (in)
Resin volume (ft3)
Design capacity (gr hardness)
Salt to regenerate (lb salt)
Maximum capacity (gr hardness)
Salt to regenerate (lb salt)
Minimum service flow (gpm)
Maximum service flow (gpm)
Backwash flow (gpm)
Automatic valve
P_640072
8 × 44
0.75
15000
5.6
21000
11.3
1.5
3.8
1.75
WS1TT
P_640074
9 × 48
1
20000
7.5
28000
15
2
5
2.2
WS1TT
P_640076
10 × 54
1.5
30000
11.3
42000
22.5
3
7.5
2.75
WS1TT
P_640078
12 × 52
2
40000
15
56000
30
4
10
4
WS1TT
P_640080
13 × 54
2.5
50000
18.8
70000
37.5
5
12.5
4.6
WS1TT
P_640082
14 × 65
3
60000
22.5
84000
45
6
15
5.5
WS1TT
P_640084
16 × 65
4
80000
30
112000
60
8
20
7
WS1TT
P_640086
18 × 65
5
100000
37.5
140000
75
10
25
9
WS1TT
P_640088
21 × 62
7
140000
52.5
196000
105
14
35
12
WS1.5EE
P_640090
24 × 72
9
180000
67.5
252000
135
18
45
15.5
WS1.5EE
P_640092
30 × 72
15
300000
112.5
420000
225
30
75
20
WS2EE / QC
P_640094
36 × 72
20
400000
150
560000
300
40
100
28
WS2EE / QC
P_640096
42 × 72
30
600000
225
840000
450
60
150
38.5
WS3
P_640098
48 × 72
40
800000
300
1120000
600
80
200
50.3
WS3
P_640100
63 × 83
62
1240000
465
1736000
930
124
310
87
WS3

Twin STD capacity softeners, commercial - industrial:

Code
Tank size (in)
Resin volume (ft3)
Design capacity (gr hardness)
Salt to regenerate (lb salt)
Maximum capacity (gr hardness)
Salt to regenerate (lb salt)
Minimum service flow (gpm)
Maximum service flow (gpm)
Backwash flow (gpm)
Automatic valve
P_640071
8 × 44
0.75
16875
5.6
22875
11.3
1.5
3.8
1.75
WS1TT
P_640073
9 × 48
1
22500
7.5
30500
15
2
5
2.2
WS1TT
P_640075
10 × 54
1.5
33750
11.3
45750
22.5
3
7.5
2.75
WS1TT
P_640077
12 × 52
2
45000
15
61000
30
4
10
4
WS1TT
P_640079
13 × 54
2.5
56250
18.8
76250
37.5
5
12.5
4.6
WS1TT
P_640081
14 × 65
3
67500
22.5
91500
45
6
15
5.5
WS1TT
P_640083
16 × 65
4
90000
30
122000
60
8
20
7
WS1TT
P_640085
18 × 65
5
112500
37.5
152500
75
10
25
9
WS1TT
P_640087
21 × 62
7
157500
52.5
213500
105
14
35
12
WS1.5EE
P_640089
24 × 72
9
202500
67.5
274500
135
18
45
15.5
WS1.5EE
P_640091
30 × 72
15
337500
112.5
457500
225
30
75
20
WS2EE / QC
P_640093
36 × 72
20
450000
150
610000
300
40
100
28
WS2EE / QC
P_640095
42 × 72
30
675000
225
915000
450
60
150
38.5
WS3
P_640097
48 × 72
40
900000
300
1220000
600
80
200
50.3
WS3
P_640099
63 × 83
62
1395000
465
1891000
930
124
310
87
WS3

Calculation of softener capacity:

Water hardness is generally expressed in mg / L CaCO3, also known as parts per million (ppm), but it can also be expressed in other units such as grains per gallon (gpg), 1 gpg = 17.1 mg / L or 17.1 ppm.

To calculate the volume of water that your equipment will be able to soften, you must know the hardness of the water to be treated in gpg and the capacity of the softener, which is directly related to the salt with which the equipment is regenerated. 

In the specifications table, there are two columns, one for Design Capacity and the other for Maximum Capacity, expressed in grams of hardness per equipment. Each one has specified the salt with which the resin must be regenerated to obtain this capacity. 

Once the size of the equipment has been selected, the value of the equipment capacity (in gr) is taken and divided by the water hardness (in gpg). The result is the number of gallons of water the equipment can handle before saturating. When the consumption is not variable, this flow can be transformed into days, dividing the number of gallons that can be treated by the consumption per day.  

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