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SWT Water Softeners with Composite Tanks, Aquamatic
Diaphragm Valves, Time Initiated Backwash |
Part
Number |
Flow Rate |
Capacity |
Resin
Quantity
Cu.Ft.
(Liters) |
Bed
Surface
Area
Sq.Ft. |
Backwash
Rate
GPM (LPM) |
Tank
Size
Inches |
Brine
Tank
Size
Inches |
Diaphragm
Valve
Size |
Superior
GPM (LPM) |
Standard
GPM (LPM) |
Peak
GPM (LPM) |
@ 5 PSI
Drop
GPM (LPM) |
@ 6 lb
per cu.ft.
Grains |
@ 15 lb
per cu.ft.
Grains |
| WCC15P-2472 |
18 (68) |
31 (117) |
90 (341) |
65 (246) |
202,500 |
292,500 |
9 (255) |
3.1 |
16 (61) |
24 x 72 |
24 x 72 |
1.5" Composite |
| WCC20P-2472 |
18 (68) |
31 (117) |
90 (341) |
125 (473) |
202,500 |
292,500 |
9 (255) |
3.1 |
16 (61) |
24 x 72 |
24 x 72 |
2" Composite |
| WCC15C-3072 |
28 (106) |
50 (189) |
70 (265) |
50 (189) |
315,000 |
455,000 |
14 (396) |
4.9 |
25 (95) |
30 x 72 |
30 x 42 |
1.5" Cast Iron |
| WCC15P-3072 |
28 (106) |
50 (189) |
100 (379) |
65 (246) |
315,000 |
455,000 |
14 (396) |
4.9 |
25 (95) |
30 x 72 |
30 x 42 |
1.5" Composite |
| WCC20C-3072 |
28 (106) |
50 (189) |
135 (511) |
80 (303) |
315,000 |
455,000 |
14 (396) |
4.9 |
25 (95) |
30 x 72 |
30 x 42 |
2" Cast Iron |
| WCC20P-3072 |
28 (106) |
50 (189) |
140 (530) |
125 (473) |
315,000 |
455,000 |
14 (396) |
4.9 |
25 (95) |
30 x 72 |
30 x 42 |
2" Composite |
| WCC20C-3672 |
40 (151) |
70 (265) |
135 (511) |
80 (303) |
450,000 |
650,000 |
20 (566) |
7.0 |
35 (132) |
36 x 72 |
30 x 60 |
2" Cast Iron |
| WCC20P-3672 |
40 (151) |
70 (265) |
200 (757) |
125 (473) |
450,000 |
650,000 |
20 (566) |
7.0 |
35 (132) |
36 x 72 |
30 x 60 |
2" Composite |
| WCC25C-3672 |
40 (151) |
70 (265) |
200 (757) |
115 (435) |
450,000 |
650,000 |
20 (566) |
7.0 |
35 (132) |
36 x 72 |
30 x 60 |
2.5" Cast Iron |
| WCC30C-3672 |
40 (151) |
70 (265) |
200 (757) |
200 (757) |
450,000 |
650,000 |
20 (566) |
7.0 |
35 (132) |
36 x 72 |
30 x 60 |
3" Cast Iron |
| WCC30P-3672 |
40 (151) |
70 (265) |
200 (757) |
280 (1060) |
450,000 |
650,000 |
20 (566) |
7.0 |
35 (132) |
36 x 72 |
30 x 60 |
3" Composite |
| WCC20P-4272 |
50 (189) |
90 (341) |
180 (681) |
130 (492) |
562,500 |
812,500 |
25 (708) |
9.6 |
48 (182) |
42 x 72 |
39 x 48 |
2" Composite |
| WCC25C-4272 |
50 (189) |
90 (341) |
200 (757) |
120 (454) |
562,500 |
812,500 |
25 (708) |
9.6 |
48 (182) |
42 x 72 |
39 x 48 |
2.5" Cast Iron |
| WCC30C-4272 |
50 (189) |
90 (341) |
250 (946) |
190 (719) |
562,500 |
812,500 |
25 (708) |
9.6 |
48 (182) |
42 x 72 |
39 x 48 |
3" Cast Iron |
| WCC30P-4272 |
50 (189) |
90 (341) |
250 (946) |
280 (1060) |
562,500 |
812,500 |
25 (708) |
9.6 |
48 (182) |
42 x 72 |
39 x 48 |
3" Composite |
| WCC20P-4872 |
65 (246) |
115 (435) |
180 (681) |
130 (492) |
720,000 |
1,040,000 |
32 (906) |
12.6 |
63 (238) |
48 x 72 |
50 x 60 |
2" Composite |
| WCC25C-4872 |
65 (246) |
115 (435) |
200 (757) |
120 (454) |
720,000 |
1,040,000 |
32 (906) |
12.6 |
63 (238) |
48 x 72 |
50 x 60 |
2.5" Cast Iron |
| WCC30C-4872 |
65 (246) |
115 (435) |
320 (1211) |
210 (795) |
720,000 |
1,040,000 |
32 (906) |
12.6 |
63 (238) |
48 x 72 |
50 x 60 |
3" Cast Iron |
| WCC30P-4872 |
65 (246) |
115 (435) |
320 (1211) |
300 (1136) |
720,000 |
1,040,000 |
32 (906) |
12.6 |
63 (238) |
48 x 72 |
50 x 60 |
3" Composite |
| WCC30C-6367 |
80 (303) |
135 (511) |
330 (1438) |
210 (795) |
855,000 |
1,235,000 |
38 (1076) |
19.6 |
98 (371) |
63 x 67 |
60 x 60 |
3" Cast Iron |
| WCC30P-6367 |
80 (303) |
135 (511) |
380 (1438) |
310 (1173) |
855,000 |
1,235,000 |
38 (1076) |
19.6 |
98 (371) |
63 x 67 |
60 x 60 |
3" Composite |
| WCC40C-6367 |
80 (303) |
135 (511) |
380 (1438) |
420 (1590) |
855,000 |
1,235,000 |
38 (1076) |
19.6 |
98 (371) |
63 x 67 |
60 x 60 |
4" Cast Iron |
| WCC30C-6387 |
140 (530) |
245 (927) |
330 (1438) |
210 (795) |
1,575,000 |
2,275,000 |
70 (1982) |
23.8 |
119 (450) |
63 x 87 |
60 x 60 |
3" Cast Iron |
| WCC30P-6387 |
140 (530) |
245 (927) |
440 (1666) |
310 (1173) |
1,575,000 |
2,275,000 |
70 (1982) |
23.8 |
119 (450) |
63 x 87 |
60 x 60 |
3" Composite |
| WCC40C-6387 |
140 (530) |
245 (927) |
600 (2271) |
440 (1666) |
1,575,000 |
2,275,000 |
70 (1982) |
23.8 |
119 (450) |
63 x 87 |
60 x 60 |
4" Cast Iron |
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System is unassembled (for shipping purposes) and includes
all necessary valves, tank, grades of media, underbedding, internal distributors/strainers, drain line
flow controls, and the clock/timer/stager assembly mounted into a control box. External piping is not
included. Customer may want to consider system additions of pressure gauges, sample cocks, vacuum breakers,
flex connectors, bypass valves, shut-offs, etc.
Cast Iron Valve available connections: (FPT: 1.5 inch, 2 inch, 2.5 inch, 3 inch);
(Flanged: 3 inch, 4 inch, 6 inch)
Plastic Valve available connections: (MPT: 1.5 inch);
(Male Spigot Weld: 1.5 inch, 2 inch); (Female Socket Weld: 2 inch); (Flanged: 2 inch, 3 inch)
Recommended Service Flow Rates/Ranges are based on the cu.ft.
of the tank/filter bed. Slower flow rate per cu.ft. = Better Filtration
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2 gpm/cu.ft. = Superior Softening (less than 0.15 grain (3 ppm) of
hardness leakage) with less than 2 psi drop |
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3.5 to 5 gpm/cu.ft. = Commercial Grade Softening (up to 1 grain (17 ppm) of hardness leakage)
with less than 5 psi drop |
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5 to 10 gpm/cu.ft. = Utility Softening |
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Peak flow rates are based on 10 gpm/cu.ft. or greater than 12 psi loss, whichever occurs first. |
System Flow Rates as listed are based on pressure drop curves
of less than 2 psi drop through the service valves.
Backwash Rates for proper bed cleaning are best achieved at
3.8 gpm per cu.ft at 60°F. However, adjustments in the backwash rate may be necessary for different
water temperatures. Allow backwash variations for valve sizes, pipe sizes, pump sizes, water availability,
and unique applications.
Backwash Rates allow 50% bed expansion at 60°F.
Valve Sizes and Tank Size Pairings for special flow rates and
backwash rates may be substituted at customer request or are application dependent.
Operating Pressure: 150 psi (10 bar)
Maximum Temperature: 140°F (60°C)
Capacity based on 23 grains (400 ppm) of hardness as
CaCO3 at 2 to 4 gpm/cu.ft. (2 to 1 CaCO3 to Mg ratio)
Hardness Leakage of less than 3 ppm (0.2 grains) at
6 lb. NaCL, and less than 1 ppm (0.1 grains) at 12 lb. NaCL. Total bed hardness capacity includes a
5% safety factor.
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