Commercial RO Systems
swtwater.com Brackish Water, River Intake,
& Seawater Intrusion Systems
Nominal 6,500 TDS Design
Brackish Water, River Intake, and Seawater Intrusion Systems
 
Specifications
Membrane Housings:
High pressure, fiberglass reinforced plastic membrane housings
Frame:
Structural fiberglass and aluminum
Controller Power Requirements:
120V/60Hz/1Ph
Motor Power Requirements:
230-460V/60Hz/3Ph
Pumps:
HTS-2 to HTS-20:
Rotary vain pump with brass head and buna diaphragm
HTS-28 to HTS-82:
Multi-stage centrifugal pump with stainless steel wetted parts and viton seals
 
Operating Parameters
Operating Pressure: 250 to 450 psi
Min. Supply Pressure: 15 psi
Max. Temperature: 113ºF (45ºC)
Nominal TDS: 6,500 ppm
Max. Inlet Free Chlorine: < 0.1 ppm
Standard Features
Energy efficient, high flow membranes
5 micron sediment pre-filter
Allen-Bradley programmable controller
Liquid level float with auto shut-off
Auto-flush system
Pre- and post-filter, feed, concentrate, and product water pressure gauges
Visual inline flow meters
Low pressure feed water switch
Victaulic style 304 stainless steel housing connections
Low pressure alarm capable
Motor starter with safety disconnect
 
Optional Features
2 m³d field portable system with gas or diesel powered generator
Digital permeate TDS meter
Automatic antiscalant dosing system
Automatic or manual pH control dosing system
Ethernet communication upgrade for the controller
Digital permeate and concentrate flow meters with low level alarms
Digital supply and concentrate pressure gauges with high level alarms
Clean-in-place membrane maintenance station
System shutdown during permeate flush
Stainless steel wetted parts for liquid end of pump
Step-down transformer from 3 phase to single phase
Available in all international voltages
 
 
 
RO Systems
 
MODEL
HTS-2-B
HTS-4-B
HTS-8-B
HTS-12-B
HTS-20-B
HTS-28-B
HTS-38-B
HTS-57-B
HTS-82-B
Actual Permeate
(m³d / gpd)
2 /
528
4 /
1,056
8 /
2,114
12 /
3,170
20 /
5,284
28.4 /
7,503
38 /
10,040
57 /
15,060
82 /
21,664
Nominal Size
(m³d / gpd)
7.5 /
2,000
7.57 /
2,000
15.14 /
4,000
22.7 /
6,000
37.8 /
10,000
37.8 /
10,000
60.5 /
16,000
90.8 /
24,000
136.3 /
36,000
Recovery
10-50%
10-50%
10-50%
10-50%
50-75%
50-75%
50-75%
30-50%
50-75%
Concentration
Rate (gpm)
3.5
2.9
3.0
1.5
3.7
5.0
4.6
12.5
10.0
Recycle Rate
(gpm)
0.0
0.3
0.1
1.8
2.6
3.1
3.5
8.3
6.2
Supply Rate
(gpm)
3.9
3.6
4.4
3.7
7.3
10.2
11.6
23.0
25.1
RO Pump Design
Flow (gpm)
3.9
3.9
4.5
5.5
9.9
13.3
15.1
31.3
31.3
RO Pump Design
Pressure (psi)
160.0
220.0
230.0
220.0
200.0
225.0
235.0
220.0
240.0
RO Motor H.P.
(60 Hz)
0.75
0.75
1.00
2.00
2.00
3.00
5.00
7.50
7.50
RO Motor
KWH @ Flow
0.47
0.65
0.79
0.92
1.51
2.28
2.70
5.24
5.72
CIP Pump Design
Flow (gpm)
10
10
10
10
20
20
20
30
30
CIP Pump Design
Pressure (psi)
60
60
60
60
60
60
60
60
60
CIP Motor H.P.
(60 Hz)
1
1
1
1
2
2
2
3
3
CIP Motor
KWH @ Flow
0.91
0.91
0.91
0.91
1.83
1.83
1.83
2.74
2.74
Chemical
Pretreatment
Optional
Optional
Required
Required
Required
Required
Required
Required
Required
Membrane Elements
 
HTS-2-B
HTS-4-B
HTS-8-B
HTS-12-B
HTS-20-B
HTS-28-B
HTS-38-B
HTS-57-B
HTS-82-B
Diameter
(in / cm)
4 /
10.16
4 /
10.16
4 /
10.16
4 /
10.16
4 /
10.16
4 /
10.16
4 /
10.16
8 /
20.32
8 /
20.32
Number
1
1
2
3
5
5
8
2
3
Pressure
Vessel Array
1-0
1-0
1-1
1-1-1
2-2-1
2-2-1
2-1-1
1-0
1-0
Connections NPS & DN
 
HTS-2-B
HTS-4-B
HTS-8-B
HTS-12-B
HTS-20-B
HTS-28-B
HTS-38-B
HTS-57-B
HTS-82-B
Inlet
(in / mm)
.5 /
15
.5 /
15
.5 /
15
.5 /
15
.75 /
20
.75 /
20
1 /
25
1 /
25
1 /
25
Permeate
(in / mm)
.5 /
15
.5 /
15
.5 /
15
.5 /
15
.5 /
15
.5 /
15
.75 /
20
1 /
25
1 /
25
Concentration
(in / mm)
.5 /
15
.5 /
15
.5 /
15
.5 /
15
.5 /
15
.5 /
15
.5 /
15
.75 /
20
.75 /
20
Estimated Footprint
 
HTS-2-B
HTS-4-B
HTS-8-B
HTS-12-B
HTS-20-B
HTS-28-B
HTS-38-B
HTS-57-B
HTS-82-B
Height
(in / cm)
30 /
76
30 /
76
30 /
76
30 /
76
36 /
91
36 /
91
48 /
122
48 /
122
48 /
122
Width
(in / cm)
48 /
122
48 /
122
48 /
122
48 /
122
48 /
122
48 /
122
48 /
122
48 /
122
48 /
122
Depth
(in / cm)
24 /
61
24 /
61
24 /
61
24 /
61
24 /
61
24 /
61
30 /
76
30 /
76
30 /
76
Estimated Weight
 
HTS-2-B
HTS-4-B
HTS-8-B
HTS-12-B
HTS-20-B
HTS-28-B
HTS-38-B
HTS-57-B
HTS-82-B
Shipping
(lbs / Kgr)
195 /
88.45
195 /
88.45
220 /
99.8
220 /
99.8
275 /
124.7
300 /
136.1
425 /
92.8
498 /
225.9
579 /
262.6
Installed
(lbs / Kgr)
204 /
92.5
204 /
92.5
239 /
108.4
239 /
108.4
297 /
134.7
321 /
145.6
455 /
206.4
526 /
238.6
601 /
272.6
 
 
 
Safe Water Technologies, Inc.
996 Bluff City Boulevard
Elgin, IL 60120 USA
 
 
Telephone: +1.847.888.6900
Facsimile: +1.847.888.6924
E-mail: info@swtwater.com
https://www.swtwater.com

Last Updated: April 1, 2024