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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. BLS systems are manufactured using the highest quality components and materials for exceptional
performance and reliable operation. |
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BLS 3000
3,000 gpd
2.0 gpm |
BLS 6000
6,000 gpd
4.1 gpm |
BLS 9000
9,000 gpd
6.3 gpm
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BLS 3000, 6000, 9000 Features
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Energy Saving, High Flow Membrane Elements |
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Stainless Steel Membrane Pressure Vessels |
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High Pressure Booster Pumps |
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230V, 60Hz, 1-Phase |
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Automatic Feed Water Shut-off 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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Storage Tank Float Control Connection |
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One Year Limited Warranty |
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Choose from three feature packages to fit your application... |
Econo Models Include
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Mini-Trol WQ Microprocessor Based Controller |
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Fixed Reject Water Control (50% Recovery) |
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Manual Membrane Flush |
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Reject Water Recirculation Loop |
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Pre-treatment Lockout Connection |
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Standard Models Include
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S-150 Microprocessor Based Controller |
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Inlet and Outlet Pre-filter Gauges |
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Adjustable Reject Water Control Valve |
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Product and Reject Water Flow Meters |
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Manual Membrane Flush |
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Product Water Check Valve |
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Reject Water Recirculation Loop |
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Pre-treatment Lockout Connection |
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Optimum Models Include
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S-150 Microprocessor Based Controller |
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Inlet and Outlet Pre-filter Gauges |
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Adjustable Reject Water Control Valve |
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Product and Reject Water Flow Meters |
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Automatic Membrane Flush |
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Manual Feed Water Shut-off Valve |
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Product Water Check Valve |
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Post-membrane Pressure Gauge |
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Reject Water Recirculation Loop |
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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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220V, 50Hz, 1-Phase |
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460V, 60Hz, 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 3000, 6000, 9000 PARTS LIST |
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| OPERATING SPECIFICATIONS |
BLS 3000 |
BLS 6000 |
BLS 9000 |
| Flow Capacity, Gallons Per Day* |
3,000 GPD |
6,000 GPD |
9,000 GPD |
| Flow Capacity, Gallons Per Minute* |
2.08 GPM |
4.17 GPM |
6.25 GPM |
| Flow Capacity, Liters Per Day* |
11,356 LPD |
22,712 LPD |
34,068 LPD |
| Flow Capacity, Liters Per Minute* |
7.8 LPM |
15.8 LPM |
23.7 LPM |
| Typical Recovery |
70% |
70% |
70% |
| 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 |
3.15 GPM (11.9 LPM) |
6.30 GPM (23.8 LPM) |
9.45 GPM (35.7 LPM) |
| Nominal Feed Water Flow During System Flush |
10 GPM (37.8 LPM) |
13 GPM (49.2 LPM) |
16 GPM (60.5 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 |
20 PSI @ 10 GPM |
20 PSI @ 10 GPM |
35 PSI @ 16 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 3000 |
BLS 6000 |
BLS 9000 |
| Dimensions, Inches (D x W x H) |
21 x 25 x 61 |
21 x 25 x 61 |
21 x 25 x 61 |
| Weight, Lbs. |
200 Lbs. |
250 Lbs. |
300 Lbs. |
| Feed Water Inlet Connection |
3/4" FPT |
3/4" FPT |
3/4" FPT |
| Reject Water to Drain Connection |
1/2" FPT |
1/2" FPT |
1/2" FPT |
| Product Water to Storage Connection |
1/2" FPT |
1/2" FPT |
1/2" FPT |
| Filter Housing, Inches |
20" Big Blue |
20" Big Blue |
20" Big Blue |
| Membrane Housings, Inches |
(1) 4 x 40 S.S. |
(2) 4 x 40 S.S. |
(3) 4 x 40 S.S. |
| Membranes Elements, Inches |
(1) 4 x 40 XLE |
(2) 4 x 40 XLE |
(3) 4 x 40 XLE |
| Pump, 60 Hz |
High Pressure Booster |
High Pressure Booster |
High Pressure Booster |
| Pump, 50 Hz |
High Pressure Booster |
High Pressure Booster |
High Pressure Booster |
| Motor, 60 Hz |
3/4 HP, 1-Phase |
1 HP, 1-Phase |
1.5 HP, 1-Phase |
| Motor, 50 Hz |
1.5 HP, 1-Phase |
2 HP, 1-Phase |
2 HP, 1-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 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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