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| The BLS Series RO Systems are engineered to
economically produce high purity water while providing the flexibility to choose system features to meet your application
specifications. Units are available as skid mounted, pre-wired, and pre-piped with pre- and post-treatment equipment for a complete water purification package. Skid mounted systems provide maximum efficiency of floor space and reduced installation time and costs. |
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BLS 12000
12,000 gpd
8.0 gpm |
BLS 15000
15,000 gpd
10.1 gpm |
BLS 18000
18,000 gpd
12.5 gpm
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BLS 12000, 15000, 18000 Features
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Energy Saving, High Flow Membrane Elements |
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Stainless Steel Membrane Pressure Vessels |
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Automatic Feed Water Shutoff Valve |
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20 inch, 5 micron, Big Blue Sediment Pre-filter |
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Low Inlet Pressure Protection Switch |
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System Operating Pressure Gauge |
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Inlet & Outlet Pre-Filter Guages |
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Reject Water Recirculation Loop |
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Storage Tank Float Control Connection |
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Product Water Check Valve |
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One Year Limited Warranty |
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Choose from two feature packages to fit your application... |
Standard Models Include
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S-150 Microprocessor Based Controller |
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High Pressure Booster Pump |
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220V, 60Hz, 1-Phase |
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Adjustable Reject Water Control Valve |
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Product & Reject Water Flow Meters |
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Manual Membrane Flush |
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Pre-Treatment Lockout Connection |
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Optimum Models Include
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Upgraded S-150 Microprocessor Based Controller |
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Vertical Multi-Stage Centrifugal Pump |
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230V, 60Hz, 3-Phase |
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Adjustable Reject Water Control Valve |
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Product & Reject Water Flow Meters |
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Reject Water Recirculation Flow Meter |
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Automatic Membrane Flush |
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Manual Feed Water Shutoff Valve |
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Post-Membrane Pressure Gauge |
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Pre-Treatment Lockout Connection |
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Additional Features Available
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Clean-In-Place (CIP) Connection Ports |
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Stainless Steel Pump |
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Stainless Steel Frame |
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Product Water Pressure Switch with Relief Valve * |
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460V, 60Hz, 3-Phase |
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380V, 50Hz, 3-Phase |
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High Rejection Membrane Elements |
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Nanofiltration Membrane Elements |
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NOTE: When ordering a BLS Series RO System, the customer must choose between a product
water pressure switch (for water storage in a pressurized tank) or a water level float kit (for water storage
in an atmospheric tank). See below. |
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CLICK TO VIEW BLS 12000, 15000, 18000 PARTS LIST |
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| OPERATING SPECIFICATIONS |
BLS 12000 |
BLS 15000 |
BLS 18000 |
| Flow Capacity, Gallons Per Day* |
12,000 GPD |
15,000 GPD |
18,000 GPD |
| Flow Capacity, Gallons Per Minute* |
8.33 GPM |
10.4 GPM |
12.5 GPM |
| Flow Capacity, Liters Per Day* |
45,425 LPD |
56.781 LPD |
68.137 LPD |
| Flow Capacity, Liters Per Minute* |
31.5 LPM |
39.4 LPM |
43.3 LPM |
| Typical Recovery |
75% |
75% |
75% |
| Design Rejection Rate |
95 to 99% |
95 to 99% |
95 to 99% |
| Typical Operating Pressure |
165 PSI (11.3 Bar) |
165 PSI (11.3 Bar) |
165 PSI (11.3 Bar) |
| Nominal Feed Water Flow During Operation |
11 GPM (41.6 LPM) |
14 GPM (52.9 LPM) |
17 GPM (64.3 LPM) |
| Nominal Feed Water Flow During System Flush |
18 GPM (68.1 LPM) |
32 GPM (121 LPM) |
36 GPM (136 LPM) |
| Maximum Product Water Back Pressure |
50 PSI (3.4 Bar) |
50 PSI (3.4 Bar) |
50 PSI (3.4 Bar) |
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| FEED WATER PARAMETERS |
BLS 3000 |
BLS 6000 |
BLS 9000 |
| Temperature Range, ºF |
40 to 90ºF |
40 to 90ºF |
40 to 90ºF |
| Temperature Range, ºC |
5 to 30ºC |
5 to 30ºC |
5 to 30ºC |
| Minimum Pressure |
35 PSI @ 18 GPM |
35 PSI @ 32 GPM |
35 PSI @ 36 GPM |
| Maximum Pressure |
85 PSI (5.8 Bar) |
85 PSI (5.8 Bar) |
85 PSI (5.8 Bar) |
| Maximum TDS |
2,000 PPM |
2,000 PPM |
2,000 PPM |
| Maximum Chlorine Tolerance |
< 0.1 PPM |
< 0.1 PPM |
< 0.1 PPM |
| Maximum Hardness |
10 GPG (171 PPM) |
10 GPG (171 PPM) |
10 GPG (171 PPM) |
| Maximum Iron, Dissolved |
0.5 PPM |
0.5 PPM |
0.5 PPM |
| Maximum Oil Tolerance |
Must Be Removed |
Must Be Removed |
Must Be Removed |
| Maximum Silt Index |
< 5 |
< 5 |
< 5 |
| Maximum Turbidity |
< 1 NTU |
< 1 NTU |
< 1 NTU |
| pH Range |
3 to 10 |
3 to 10 |
3 to 10 |
| Minimum Pre-Filtration |
5 Micron |
5 Micron |
5 Micron |
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| DESIGN SPECIFICATIONS |
BLS 12000 |
BLS 15000 |
BLS 18000 |
| Dimensions, Inches (D x W x H) |
30 x 24 x 60 |
30 x 24 x 60 |
30 x 24 x 60 |
| Weight, Lbs. |
450 Lbs. |
525 Lbs. |
600 Lbs. |
| Feed Water Inlet Connection |
1" FPT |
1" FPT |
1" FPT |
| Reject Water to Drain Connection |
3/4" FPT |
3/4" FPT |
3/4" FPT |
| Product Water to Storage Connection |
3/4" FPT |
3/4" FPT |
3/4" FPT |
| Filter Housing, Inches |
20" Big Blue |
20" Big Blue |
20" Big Blue |
| Membrane Housings, Inches |
(4) 4 x 40 S.S. |
(5) 4 x 40 S.S. |
(6) 4 x 40 S.S. |
| Membranes Elements, Inches |
(4) 4 x 40 XLE |
(5) 4 x 40 XLE |
(6) 4 x 40 XLE |
| Standard Pump, 60 Hz |
High Pressure Booster |
High Pressure Booster |
High Pressure Booster |
| Optimum Pump, 60 Hz |
Vertical Centrifugal |
Vertical Centrifugal |
Vertical Centrifugal |
| Standard Pump, 50 Hz |
Vertical Centrifugal |
Vertical Centrifugal |
Vertical Centrifugal |
| Optimum Pump, 50 Hz |
Vertical Centrifugal |
Vertical Centrifugal |
Vertical Centrifugal |
| Standard Motor, 60 Hz |
1/2 HP, 1-Phase |
2 HP, 1-Phase |
3 HP, 1-Phase |
| Optimum Motor, 60 Hz |
3 HP, 3-Phase |
3 HP, 3-Phase |
3 HP, 3-Phase |
| Standard Motor, 50 Hz |
3 HP, 3-Phase |
4 HP, 3-Phase |
4 HP, 3-Phase |
| Optimum Motor, 50 Hz |
3 HP, 3-Phase |
4 HP, 3-Phase |
4 HP, 3-Phase |
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| * Based on feed
water with 500 mg/L of NaCl and temperature of 77ºF (25ºC). |
| System production may vary depending
upon incoming water temperature and chemistry. |
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NOTE: If the RO system is used with chlorinated water, a carbon pre-filter is required. BLS
systems are designed for use on potable water sources only. |
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| Low Feed Water Pressure Switch |
System shuts down at 15 PSI (1.0 Bar)
decreasing pressure |
| Product Water Pressure Switch |
System shuts down at 45 PSI (3.1 Bar)
and starts at 25 PSI (1.7 Bar) |
| Max. System Operating Pressure |
175 PSI (12.1 Bar) |
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