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Reverse Osmosis Systems

Pure Water at Low Cost – Reverse osmosis is the most efficient process available to remove dissolved minerals, bacteria, particles and organic impurities from water supplies.

Small Volume 275 to 11,400 gpd

Our Small Volume RO Systems are designed to purify small to medium volumes of water reliably and at an affordable price. All systems are available with complete factory warranty and expert field service.

The Small Volume Series RO systems are just part of the family of water treatment products available. We offer complete system capabilities, including evaluation and design services, state-of-the-art equipment utilizing membrane and ion exchange technology, and expert field service. For more information and system quotation, contact us.

 

Features

  • Capacities from 275 to 11,400 gallons per day and above suit a wide variety of applications.
  • Spiral wound, thin film composite membranes provide superior salt rejection and product flow at low operating pressures.
  • Computerized system design accurately projects system operating characteristics for each application.
  • Multistage centrifugal pumps supplied with stainless steel and Noryl wetted parts for corrosion resistance and and offer quiet, high-efficiency operation.
  • Cartridge pre-filter – all polypropylene or stainless steel for corrosion control. Five or one micron filter elements included.
  • Control panel – NEMA 4 control panels include digital conductivity monitor, programmable controller, tank level control, fuses, motor starter, switches and control transformer. ORP, pH and totalizing flowmeters optional.
  • Control valves – pump and reject throttle valves are included for flow and pressure control.
  • Automatic flush reduces corrosion potential and membrane fouling.
  • Liquid-filled pressure gauges assure pulse-free readings and long gauge life.
  • Line-mounted flow meters offer consistent accuracy and corrosion-free performance.
  • Convenient layout – all gauges, meters and controls are located next to the control panel for ease of operation.
  • Feedwater control valve automatically shuts off feedwater when system is not operating.
  • Low pressure switch protects the pump from damage caused by inadequate pump inlet pressure.
  • Fiberglass frame assembled with stainless steel hardware for total corrosion control.
  • Standardized system design allows for quick shipments, yet adaptable to suit individual application requirements.
  • Expandability – systems can be expanded to meet future requirements.
  • Quality after-sale support – field service personnel assure your system is properly installed and that you remain on-line.

 

Total System Capability

We offer a complete line of options and accessory equipment to complement the RO Systems. They include the following:

  • Ultra low pressure membranes – reduce power consumption by 30% or more.
  • Double pass RO – produces ultra pure water at low cost.
  • pH meters – continuously monitor water pH and alarm if pH is out of limits.
  • SDI test kits – monitor feedwater fouling index.
  • Membranes – alternate membranes including nano filtration, seawater, cellulose acetate and softening membranes are available.
  • Pre-treatment equipment – filters, softeners, chemical feed systems, UV sterilizers, ultra-filtration and micro-filtration systems are all available to prevent scaling and fouling of the RO membranes.
  • Post-treatment equipment – degasifiers, chemical feed systems and UV sterilizers are provided to assure that the product water is within specifications.
  • Deionizers – polish the RO product water to meet application specifications including ultra-pure water.
  • Custom designed systems – mobile systems, process applications and waste treatment systems are all available.
LS SERIES RO UNITS:
2 ½ ” x 21″
LS-275260/ 210 GPD (1)
LS-550520 / 420 GPD (2)
LS-825780 / 630 GPD (3)
 
2 ½ ” X 40″
LS-12001120 / 900 GPD (2)
LS-18001680 / 1350 GPD (3)
LS-24002240 / 1800 GPD (4)
LTF1 SERIES RO UNITS:
4″ X 40″ – 1M HOUSING
LTF1-38003480 / 2780 GPD (2)
LTF1-57005220 / 4170 GPD (3)
LTF1-76006960 / 5560 GPD (4)
LTF1-95008700/ 6950 GPD (5)
LTF1-1140010440 / 8340 GPD (6)
Medium to Large Volume 13,500 to 252,000 gpd
Our LTF2, LTF3, and LTF4 Series RO Systems are designed to purify medium to large volumes of water reliably and at an affordable price. All systems are available with complete factory warranty and expert field service.

LTF3 with product conductivity, reject flush system for high purity wash line

Series
Element Size
Capacities (gallons per day)
Minimum
Maximum
LTF24 x 2M or 3M12,54028,800
LTF38 x 2M or 3M35,040125,000
LTF48 x 4M, 5M, or 6M
93,400
252,000

The LTF2, LTF3, and LTF4 Series RO systems are just part of the family of water treatment products. We offer complete system capabilities, including evaluation and design services, state-of-the-art equipment utilizing membrane and ion exchange technology, and expert field service. Contact us for more information and system quotation.

Features

  • Capacities from 18,000 to 270,000 gallons per day and above suit a wide variety of applications.
  • Spiral wound, thin film composite membranes provide superior salt rejection and product flow at low operating pressures.
  • Computerized system design accurately projects system operating characteristics for each application.
  • Multistage centrifugal pumps supplied with stainless steel and Noryl wetted parts for corrosion resistance and and offer quiet, high-efficiency operation.
  • Cartridge pre-filter – all polypropylene or stainless steel for corrosion control. Five or one micron filter elements included.
  • Control panel – NEMA 4 control panels include digital conductivity monitor, programmable controller, tank level control, fuses, motor starter, switches and control transformer. ORP, pH and totalizing flowmeters optional.
  • Control valves – pump and reject throttle valves are included for flow and pressure control.
  • Automatic flush reduces corrosion potential and membrane fouling.
  • Liquid-filled pressure gauges assure pulse-free readings and long gauge life.
  • Line-mounted flow meters offer consistent accuracy and corrosion-free performance.
  • Convenient layout – all gauges, meters and controls are located next to the control panel for ease of operation.
  • Feedwater control valve automatically shuts off feedwater when system is not operating.
  • Low pressure switch protects the pump from damage caused by inadequate pump inlet pressure.
  • Fiberglass frame assembled with stainless steel hardware for total corrosion control.
  • Standardized system design allows for quick shipments, yet adaptable to suit individual application requirements.
  • Expandability – systems can be expanded to meet future requirements.
  • Quality after-sale support – field service personnel assure your system is properly installed and that you remain on-line.

Total system capability

Lakeside Water offers a complete line of options and accessory equipment to complement the LTF2, LTF3, and LTF4 Series RO Systems. They include the following:

  • Ultra low pressure membranes – reduce power consumption by 30% or more,
  • Membranes – alternate membranes including nano-filtration (NH), seawater (SW), cellulose acetate (CA) and softening membranes are available,
  • Two-pass RO – produce ultrapure water at low cost.
  • Pretreatment equipment – filters, softeners, chemical feed systems, UV sterilizers, ultra-filtration (UF) and microfiltration (MP) systems are available to prevent scaling and fouling the RO membranes.
  • Post treatment equipment – degasifiers, chemical feedsystems and UV sterilizers are provided to assure that the product water is within specifications.
  • Deionizers – polish the RD product water to meet application specifications including ultrapure water.

Specifications

 
Model
Capacity (gpd)
Motor
Connections (in.)
Dimensions
L x W x H (in.)
Ship Wt.
(lbs)
Maximum
Typical
HP
Feed
 Prod. 
Rjct
LTF2-14400
14,040
12,540
5
1 1/2
1
1
135 x 38 x 70
870
LTF2-19200
18,690
16,700
7.5
1 1/2
1
1
135 x 38 x 70
950
LTF2-24000
23,370
20,900
7.5
1 1/2
1
1
135 x 38 x 70
1030
LTF2-28800
28,040
25,000
10
1 1/2
1 1/2
1
135 x 38 x 70
1170
 
Model
Capacity (gpd)
Motor
Connections (in.)
Dimensions
L x W x H (in.)
Ship Wt.
(lbs)
Maximum
Typical
HP
Feed
 Prod. 
Rjct
LTF3-42000
41,600
35,040
15
2
1 1/2
1
145 x 35x 80
1940
LTF3-63000
62,400
52,560
15
2
1 1/2
1
145 x 36 x 80
2490
LTF3-84000
83,220
70,080
20
2
2
1 1/2
145 x 36-x 80
3095
LTF3-105000
104,020
87,600
25
2 1/2
2
1 1/2
145 x 50 x 80
3440
LTF3-126000
124,800
105,100
30
2 1/2
2 1/2
2 1/2
145 x 50 K 80
3865
 
Model
Capacity (gpd)
Motor
Connections (in.)
Dimensions
L x W x H (in.)
Ship Wt.
(lbs)
Maximum
Typical
HP
Feed
 Prod. 
Rjct
LTF4-112000
110,900
93,400
30
2 1/2
2
1 1/2
192 x 50 x 80
3905
LTF4-140000
138,700
116,800
30
3
2 1/2
2 1/2
192 x 50 x 80
4260
LTF4-168000
165,440
140,160
40
3
2 1/2
2 1/2
192 x 50 x 80
5000
LTF4-210000
208,100
175,200
50
4
3
3
272 x 50 x 80
5800
LTF4-252000
250,000
210,240
50
4
3
3
272 x 50 x 80
6300

  1. Typical system capacity is after3 years of operation at standard conditions with 55°F or warmer water, Maximum capacity requires ideal operating conditions and high area membranes.
  2. Standard operating conditions are 1000 ppm TDS softened feedwater, SDI less than 3.0, 70 to 80% conversion, 50 PSI inlet.
  3. Detailed specifications, drawings and computer projections are available on request.
  4. Standard power is 460 VAC, 3Ø, 60-Hz.

Lakeside Water for pure water technology

The LTF2, LTF3, and LTF4 Series RO Systems are just part of the family of water treatment products available from Lakeside Water, We offer complete system capabilities including the evaluation and design services, state of the art equipment utilizing membrane and ion exchange technology and expert field service. For more information and system quotation, contact Lakeside Water.

Custom Designed
Contact us for specifications.

Example systems below:

Reverse Osmosis Systems - Custom TFE 135000
Custom LTF3 135000 for food/beverage processing
Reverse Osmosis Systems - Custom TFF 360000
Custom LTF4 360000 (150 GPM) with Chemical Feed Pretreatment for Boiler Feedwater
 
  • Three years of operation is a typical system capacity at standard conditions with 55°F or warmer water. Maximum capacity requires ideal operating conditions and high area membranes.
  • Standard operating conditions are 1000ppm TDS softened feedwater. SDI less than 3.0, 70 to 80% conversion, 50 PSI inlet.
  • Detailed specifications, drawings and computer projection will be furnished with each quotation.
  • Standard power is 460 VAC, 3Ø, 60 Hz.

Total system capability

Lakeside Water offers a complete line of options and accessory equipment to complement the LTF2, LTF3, and LTF4 Series RO Systems. They include the following:

  • Ultra-low pressure membranes – reduce power consumption by 30% or more,
  • Membranes – alternate membranes including Nano-filtration (NH), seawater (SW), cellulose acetate (CA) and softening membranes are available,
  • Two-pass RO – produce ultrapure water at low cost.
  • Pretreatment equipment – filters, softeners, chemical feed systems, UV sterilizers, ultra-filtration (UF) and microfiltration (MP) systems are available to prevent scaling and fouling the RO membranes.
  • Post treatment equipment – degasifies, chemical feed systems and UV sterilizers are provided to assure that the product water is within specifications.
  • Deionizers – polish the RD product water to meet application specifications including ultrapure water.

 

Lakeside Water for pure water technology

The LTF2, LTF3 and LTF4 Series RO Systems are just part of the family of water treatment products available from Lakeside Water. We offer complete system capabilities including evaluation and design services, state of the art equipment utilizing membrane and ion exchange technology and expert field service. For more information and system quotation, contact Lakeside Water.

 

Optional Reverse Osmosis System Features

  • Fiberglass frame – constructed of structural fiberglass assembled with stainless steel hardware for corrosion resistance and reduced maintenance.
  • Automatic product diversion – directs product water to drain if out-of-spec.
  • Temperature – temperature indicator to monitor the RO feed water.
  • Product pressure switch – protects the 8” membranes from potential high product pressure.
  • Percent rejection conductivity – product conductivity/feed conductivity equals salt passage.
  • Instrumentation – feed water ORP and pre-treat or post-treat pH digital display.
  • Silt Density Index (SDI) – SDI kit determines the suspended solids in the feed water.
  • Clean-In-Place membrane cleaning systems – integral to the RO or portable systems are available.

Features of Lakeside Water Reverse Osmosis Systems

  • Capacities from 10,000 to 250,000 gallons per day and above – suit a wide variety of applications.
  • Spiral wound, thin film composite membranes – provide superior salt rejection and product flow at low operating pressures.
  • Computerized system design – accurately projects system operating characteristics for each application.
  • Multistage centrifugal pumps – stainless steel wetted parts for corrosion resistance and offer quiet, high efficiency operation.
  • Cartridge pre-filter – all polypropylene or stainless steel for corrosion control, 1 micron filter elements included for better membrane protection.
  • Control Panel – NEMA 4 control panels include digital conductivity and flowmeters, programmable controller PLC, touchscreen display, fuses, motor starter and control transformer.
  • Control systems – adaptable to suit customer specifications.
  • Control Valves – pump and reject throttle valves are included for flow and pressure control.
  • Automatic Flush – permeate or feed water flush system (AFS) reduces corrosion potential and membrane fouling.  Permeate flush can extend membrane cleaning frequency and membrane life.
  • Liquid filled pressure gauges – liquid filled gauges assure pulse free readings and long gauge life.
  • Flowmeters – in-line and/or paddlewheel to PLC offer consistent accuracy and corrosion free performance.
  • Convenient layout – all gauges, meters and controls are located next to the control panel for ease of operation.
  • Feed water control valve – automatically shuts off feed water when system is not operating.
  • Low pressure switch – protects the pump from damage caused by inadequate pump inlet pressure.
  • High pressure switch – protects the 8” membranes from high membrane feed pressure.
  • Standardized system design – allows for quick shipments yet adaptable to suit individual application requirements.
  • Design for expandability – systems can be expanded to meet future requirements.

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