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The US Water Systems AR-3 light commercial reverse osmosis system is engineered for applications requiring smaller amounts of RO-quality water with an eye of efficiency of operation.
Design | |
---|---|
Configuration | Single Pass |
Feed Water Source | TDS < 1000 |
Standard Recovery Rate | Up to 75% |
Rejection and Flow Rates | |
Nominal Salt Rejection % | 98.5 |
Permeate Flow* gpm (lpm) | 0.52 (1.97) |
Concentrate Flow (minimum) gpm (lpm) | 1.7 (6.44) |
Concentrate Recycle Flow gph (lph) | Up to 85.00 (321.76) |
Connections | |
Feed inch | 1/2 Tube |
Permeate inch | 3/8 Tube |
Concentrate inch | 3/8 Tube |
Membranes | |
Membranes(s) Per Vessel | 1 |
Membrane Quantity | 1 |
Membrane Size | 3" x 18" |
Vessels | |
Vessel Array | 1 |
Vessel Quantity | 1 |
Pumps | |
Pump Type | Rotary Vane 401 Brass |
Motor HP (kw) | 1/3 (.24) |
RPM @ 60 (50 Hz) | 1725 (1465) |
Electrical | |
Standard Voltage | 110V 50/60Hz 1 PH |
Voltage Amp Draw | 6.6 |
System Dimensions ** | |
L x W x H inch (cm) | 17 x 13 x 34 (43 x 33 x 87) |
Weight lb. (kg) | 50 (22.68) |
*Product Flow rates are based on equipment test parameters.
**Does not include operating space requirements.
Operating Limits | |
---|---|
Maximum Feed Temperature °F (°C) | 85 (29.00) |
Minimum Feed Temperature °F (°C) | 40 (4.44) |
Maximum Ambient Temperature °F (°C) | 120 (48.89) |
Minimum Ambient Temperature °F (°C) | 40 (4.44) |
Maximum Feed Pressure psi | 85 |
Minimum Feed Pressure psi | 45 |
Maximum Piping Pressure psi | 150 |
Maximum SDI Rating SDI | 3 |
Maximum Free Chlorine ppm | 0 |
Maximum TDS ppm | 1000 |
Maximum Hardness gpg | 0 |
Maximum pH (Continuous) | 11 |
Minimum pH (Continuous) | 5 |
Maximum pH (Cleaning 30 min) | 12 |
Minimum pH (Cleaning 30 min) | 2 |
Maximum Turbidity NTU | 1 |
Test Parameters: *550 TDS Filtered (5 Micron), De-Chlorinated, Municipal Feed Water, 65 psi (4.50 bar) Feed Pressure, 100 psi (6.89 bar) Operating Pressure, 77 °F (25 °C), Recovery as stated, 7.0 pH. Data taken after 60 minutes of operation. Scale prevention measures must be taken to prolong membrane life.
Low temperatures and high feed water TDS levels will significantly affect system's production capabilities. Computer projections should be run for individual applications which do not meet or exceed minimum and maximum operating limits.
NOTE: US Water rates their reverse osmosis systems under industry standards which are tested at 77 °F, 500 TDS and 60 psi pressure. Production can vary dramatically depending upon water pressure, temperature and TDS (total dissolved solids) levels. US Water does not make these standards - we just adhere to the industry standards when testing and report what the standards require. Every manufacturer uses these standards.