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Industrial & Commercial
Reverse Osmosis Systems
K SERIES
Reverse Osmosis Systems
60,000 to 180,000 gallons per day
The K Series Reverse Osmosis systems are ruggedly
designed and manufactured for dependable and simple operation.
These units provide a higher output of continuous quality
demineralized water for many industrial applications such boiler
feed, bottled water plants, coolant or chemical mixing, and the
list goes on. RO units are completely assembled and shipped ready
for a trouble-free installation and start up. All units are factory
tested prior to delivery to ensure quality and performance. All
pumps are 316 stainless steel for durability
and have diffuser-type design for a smooth pulse free and quiet
operation. The VFD pump controller is equipped with soft start to
minimize membrane hydraulic shock and potential element movement.
The electronic control panel is protected by a NEMA 4 enclosure and
operates on 120 vac. Many standard
features are included to provide the highest efficiency from a
Dayton Water Systems RO unit.
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Operating Requirements:
Pressure: 20 psi – 60
psi
Temperature: 35°F - 85°F
Electrical: 120/60, 10 amps
Free Chlorine: <.1 ppm
pH: 5.8 – 10
Turbidity: 1 NTU (max)
Silt Density Index: 5 (max)
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Materials of Construction:
FRAME:
Powder Coated Carbon Steel
MEMBRANE
ELEMENTS:
Thin Film Composite, 8
”
HOUSINGS:
Fiberglass
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Pump and
Motor:
Pump: 316SS Multistage
Centrifugal
Motor: 3 phase, 208-230/460 volt
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Standard Features:
5
Micron Duplex Prefilter • Permeate Flow Meter •
Concentrate Flow Meter (adjustable) • Recycle Flow Meter
(adjustable) Adjustable Permeate Divert • Conductivity Meter /
Alarm • Pretreatment Lockout • High Pump Pressure Alarm
• Storage Tank Full Indicator • Low Feed Pressure Shut
Down / Alarm • Membrane Flush Cycle • High Membrane Delta
P Indicator • High Prefilter Delta P Indicator • Pressure
Pump Start Delay (adjustable) • High Pressure Stainless Steel
Piping • Optional Clean-In-Place System • Optional pH
Monitor & Acid or Bisulfite Feed • Optional Casters
Digital Display of:
Pre
& Post Filter Pressure • Concentrate Pressure •
Membrane Feed Pressure • Concentrate Flow • Permeate Flow
• Recycle Flow • Permeate Conductivity • Feed
Conductivity • Feed Temperature • Percent Rejection
• Permeate Totalizer • Run Hours • Percent Recovery
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Model Number
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RO60K
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RO90K
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RO120K
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RO150K
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RO180K
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Product Capacity
(gals/day)*
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60,000
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90,000
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120,000
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150,000
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180,000
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FLOW RATES (gpm)*:
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Permeate
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41
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62
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83
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104
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125
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Feed
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56
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83
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111
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139
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166
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Concentrate/Reject
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15
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21
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28
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35
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41
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Membrane Quantity
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6
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9
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12
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15
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18
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CONNECTIONS (NPT)
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Inlet
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2”
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3”
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3”
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4”
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4”
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Concentrate
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1 1/2”
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2”
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2”
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3”
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3”
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Permeate
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1 1/2 ”
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2”
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2”
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3”
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3”
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Pump Motor
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( Single Phase available
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15HP
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20HP
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30HP
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30HP
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40HP
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*Permeate flow and salt rejection based on the
following test conditions: 2000 ppm NaCl, 225 psi (1.6 MPa), 77° F
(25° C), pH 8, and recovery as indicated. Flow rates for individual
elements may vary —15%/no upper limit.
PERCENTAGE
IONIC REJECTION >96%
PERCENT
RECOVERY 50-75%
PUMP 316SS
Multistage Centrifrugal
MEMBRANE Thin
Film Composite 8 ”
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