Reverse Osmosis
SWT logo BLS Series, 400 to 800 GPD
Commercial RO Systems

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.

BLS 400, BLS 800

Standard Model Features

  • Energy Saving, High Flow Membrane Elements
  • Stainless Steel Membrane Housings
  • Compact Microprocessor Based Controller
  • Epoxy Coated Steel Frame
  • Brass Rotary Vane Pump
  • 115V, 60Hz, 1 Phase Power
  • Automatic Feed Water Shutoff Valve
  • 20 inch 5 Micron Sediment Pre-Filter
  • Inlet & Outlet Pre-Filter Gauges
  • System Operating Liquid Pressure Gauge
  • Manual Membrane Flush
  • Low Inlet Pressure Protection Switch
  • Manual Inlet Feed Water Shutoff Valve
  • Storage Tank Float Control Connection
  • Reject Water Recirculation Loop
  • Product Water Check Valve
  • Pre-Treatment Lock Out Connection
  • Fixed Reject Water Control (50% Recovery)
  • One Year Limited Waranty

Optimum Model Features

  • Standard Model Features Plus...
  • Upgraded Microprocessor Based System Controller
    — NEMA 4X Industrial Grade
    Electrical Enclosure

    — Red/Green Water Quality
    Status LED
    — Operating Status Lights
    — Auto Restart After Alarm
    Shutdown
  • Automatic Membrane Flush System
  • Product and Reject Water Flow Meters

Additional Options Available

  • 20 inch 10 Micron Carbon Pre-Filter
  • Product Water Pressure Switch and Relief Valve
  • Product Water Pressure Gauge
  • Stainless Steel Pump
  • Stainless Steel Frame
  • 220V, 50Hz, 1 Phase Power
  • Domestic and Export Crating
  • High Rejection Membrane Elements
  • Nanofiltration Membrane Elements


OPERATING SPECIFICATIONS BLS 400 BLS 800
Flow Capacity Gallons * 400 GPD (0.28 GPM) 800 GPD (0.56 GPM)
Flow Capacity Liters * 1,514 LPD (1.05 LPM) 3,028 LPD (2.10 LPM)
Recovery (Nominal) 50% 50%
Rejection (Nominal) 95% – 99% 95% – 99%
Operating Pressure (Typical) 165 PSI (11 Bar) 165 PSI (11 Bar)
Feed Water Flow Rate During Operation (Nominal) 0.56 GPM (2.12 LPM) 1.12 GPM (4.24 LPM)
Feed Water Flow Rate During System Flush (Nominal) 2.1 GPM (7.95 LPM) 2.1 GPM (7.95 LPM)
Temperature Range 40º - 90ºF (5º - 32ºC) 40º - 90ºF (5º - 32ºC)
Feed Water Pressure (Minimum) 35 PSI (2.4 Bar) 35 PSI (2.4 Bar)
Feed Water Pressure (Maximum) 85 PSI (5.8 Bar) 85 PSI (5.8 Bar)
Feed Water TDS (Maximum) 2,000 PPM 2,000 PPM
Chlorine Tolerance (Maximum) 0.1 PPM 0.1 PPM
Hardness Tolerance (Maximum) 10 GPG (171 PPM) 10 GPG (171 PPM)
Iron Tolerance (Maximum) 0.5 PPM (Dissolved) 0.5 PPM (Dissolved)
Hydrogen Sulfide (Maximum) Must Be Removed Must Be Removed
Oil Tolerance (Maximum) Must Be Removed Must Be Removed
Feed Water Silt Index (Maximum) 5 5
Feed Water Turbidity 1 NTU 1 NTU
Product Water Back Pressure (Maximum) 50 PSI (3.4 Bar) 50 PSI (3.4 Bar)
pH Range 3 - 10 3 - 10
Pre-Filtration (Minimum) 5 Micron 5 Micron

DESIGN SPECIFICATIONS BLS 400 BLS 800
Pre-Filtration Housing 20" SlimLine 20" SlimLine
Membrane Housings (1) 2.5" x 21" S.S. (2) 2.5" x 21" S.S.
Number of Membranes (1) 2.5" x 21" (2) 2.5" x 21"
Membrane Material Composite Polyamide Composite Polyamide
Pump Rotary Vane (Brass) Rotary Vane (Brass)
Motor 1/3 HP, 1-Phase 1/3 HP, 1-Phase
Feed Water Inlet Connection 3/8"NPTF 3/8" NPTF
Product Water to Storage Connection 3/8" Tube 3/8" Tube
Reject Water to Drain Connection 3/8" Tube 3/8" Tube
Dimensions Inches (D x W x H) 14 x 17 x 35 14 x 17 x 35
Weight 90 Lbs. 100 Lbs.
System production may vary depending upon incoming water temperature and chemistry.
* Based on feed water with 500 mg/L of NaCl and temperature of 77ºF (25ºC).
 
 

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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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
http://www.swtwater.com

Last Updated: March 5, 2008