Manual

Page 6
LAKOS SST & PRO II Installation and Operations Manual
Materials of Construction
Filter Tanks:304Lcertiedstainlesssteel;with8inchsize,epoxy-coatedsteelbolt-ontopinspection
portand4-inchsizelower-domesandclean-outport&PVCplasticplug.14gaugewallthickness.
Manifolds:304Lstainlesssteel,grooved-endconnections.14gaugewallthickness.
Backwash Valves: Cast steel body with epoxy coated internals. Rear-entry feature for inspection/
replacementofplungerdiaphragm.Stainlesssteelshaft&guidebushing(3-inchvalve:PVCguide
bushing).Stainlesssteeldiscwithvulcanizedrubbertosealthebackwashport.
Controller:Solid-statetiming.StandardLAKOSControlleraccommodates12-voltDCorsolarpower,
110-voltACor220-voltACpowersupply.Upto8stationspercontroller(addcontrollertoslavefor
additional stations). Steel housing.
SST General Specications
(continued on next page)
Model*
Flow Range*
System Manifold
Inlet/Outlet
Grooved
Couplings
System Media
Sand
Requirement
Maximum Filter
Tank Pressure
System
Filtration Area
Minimum
Backwash
Line Size
U.S.
gpm
U.S. gpm in.
in.
cm.
cm.
lbs. psikg bar
m
3
/hr.
m
3
/hr. ft
2
m
2
Recommended
Backwash Flow
Rate Per Tank
***
SST-1530-2
SST-3604-2
SST-2404-3
SST-4806-3
SST-4810-8
SST-1803-2
SST-3606-2
SST-3004-2
SST-4808-4
SST-4812-8
SST-1803-3
SST-3606-3
SST-3004-3
SST-4810-5
SST-4812-9
SST-2403-2
SST-4806-2
SST-4810-7
SST-3006-3
SST-4810-6
SST-4812-10
38-63
53-88
80-133
95-158
141-235
147-245
220-368
220-368
212-353
212-353
318-530
377-628
566-943
753-1255
912-1255
1131-1885
1319-2198
1508-2513
1508-2513
1695-2825
1695-2825
3
3
3
3
4
4
4
6
4
6
6
6
6
8
10
10
10
10
12
12
12
100
100
100
100
100
100
100
100
100
100
100
80
80
80
80
80
80
80
80
80
80
2.5
3.5
5.3
6.3
6.3
9.8
14.7
14.7
14.1
14.1
21.2
25.1
37.7
50.2
62.8
75.4
87.9
100.5
100.5
113.0
113.0
18
27
27
47
47
74
74
74
106
106
106
188
188
188
188
188
188
188
188
188
188
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
300
500
800
900
900
1000
1500
1500
1800
1800
2700
2600
3900
5200
6500
7800
9100
10400
10400
11700
11700
9-14
12-20
18-30
22-36
32-53
33-56
50-84
50-84
48-80
48-80
72-120
86-143
128-214
171-285
207-285
257-428
299-499
342-570
342-570
385-641
385-641
7.6
7.6
7.6
7.6
10.2
10.2
10.2
15.2
10.2
15.2
15.2
15.2
15.2
20.3
25.4
25.4
25.4
25.4
30.5
30.5
30.5
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
5.5
5.5
5.5
5.5
5.5
5.5
5.5
5.5
5.5
5.5
0.23
0.33
0.49
0.59
0.59
0.91
1.37
1.37
1.31
1.31
1.97
2.33
3.50
4.66
5.83
7.00
8.17
9.34
9.34
10.50
10.50
4.1
6.1
6.1
10.7
10.7
16.8
16.8
16.8
24.1
24.1
24.1
42.7
42.7
42.7
42.7
42.7
42.7
42.7
42.7
42.7
42.7
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
10.2
10.2
10.2
10.2
10.2
10.2
10.2
10.2
10.2
10.2
136
227
363
408
408
454
680
680
816
816
1225
1179
1769
2359
2948
3538
4128
4717
4717
5307
5307
**Flow range based on a ltration range of 15-25 U.S. gpm/ft
2
(37-61 m
3
/hr/m
2
).
***NOTE: Minimum recommended operating pressure range for proper actuation of LAKOS Backwash Valve is 20 psi (1.4 bar).
The stated ow range is based on a ltration range of 15-25 gpm/ ft
2
. (37-61 m
3
/hr/m
2
).
*Model numbers identify individual tank size/diameter (rst two numbers), inlet/outlet size (second two numbers) and number of tanks per
system (last number).