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Industrial Reverse Osmosis RO Systems RO-400

29 product reviews
Product Description

Industrial Reverse Osmosis systems remove up to 99.9% of salts and contaminates from different impure feed water sources including municipal, brackish and surface water. The system blocks bacteria, particles, sugars, proteins, dyes, and impurities that encompass a molecular weight of more than 150-250 Dalton.

industrial reverse osmosis RO

Pure Aqua, Inc. offers a wide array of pre-engineered and custom industrial reverse osmosis systems, ranging in capacity from 28,000 to 1,000,000 GPD. Catered to meet every industrial water treatment need and application, these energy efficient industrial RO units produce high-quality water at an affordable cost.

  • Compact Industrial Reverse Osmosis Equipment

This RO-400 Series tap and brackish water equipment is equipped with media filters and chemical dosing systems (pre chlorination, antiscalant, dechlorination, post chlorination and post pH). This equipment is primarily customized to suit individual customers and different water applications. The RO-400 Series is recognized as one of the most compact industrial reverse osmosis equipment on the market, built with state of the art energy saving membranes.

The design of the RO-400 Series skid mounted industrial reverse osmosis system, takes into consideration certain matters such as robust construction, user friendly design, environmentally friendly material, and long-term reliability.

  • Containerized / Mobile Reverse Osmosis RO Systems

We offer fully containerized/mobile RO water treatment systems that are assembled inside of an ISO standard shipping container. Each container is customized for each individual water treatment application making it easy to install and operate with high efficiency, a compact foot print, and energy saving features.

  • Industrial Reverse Osmosis RO Water Treatment Process

Industrial reverse osmosis plant includes a multimedia prefilter, water softener or antiscalant dosing system, dechlorination dosing system, reverse osmosis unit with semi-permeable membranes, and UV sterilizer or post chlorination as a post treatment. These machines apply the technology of reverse osmosis by transporting feed water through a multimedia prefilter to remove particles that are larger than 10-micron. Then the water is injected by an antiscalant chemical to control hardness fouling that may cause damage to the membranes of the RO machine. These pretreatment options have the capability of removing hardness, chlorine, odors, color, iron, and sulfur. The water then continues into the reverse osmosis unit where a high-pressure pump applies extreme pressure to the highly concentrated solution, separating the remaining salts, minerals, and impurities that the pre-filter cannot catch. Fresh, potable water comes out from the low-pressure end of the membrane while salts, minerals, and other impurities are discharged into a drain on the other end. Lastly, the water is passed through a UV sterilizer (or post chlorination) to kill any bacteria and microbes that still exist in the water.

Learn more about what is reverse osmosis and how it works

  • Industrial Reverse Osmosis System Schematic Diagram

industrial reverse osmosis system RO diagram


This industrial RO system flow diagram is demonstrating the following:

1- Raw water storage tank 6- Antiscalant PA0100 dosing system
2- Feed/backwash pump 7- Industrial reverse osmosis system
3- Prechlorination dosing system 8- Post pH dosing system
4- Automatic multimedia filter 9- Post chlorination dosing system
5- Dechlorination dosing system 10- Product water storage tank


  • High Capacity Industrial RO Machines

Economical and efficient, RO-400 industrial brackish water reverse osmosis machines acquire the latest in RO technology to remove dissolved salts, particles, organics, minerals, solids and other impurities from water. Reverse Osmosis uses RO membranes as its core separation technology to block these impurities. Pure Aqua utilizes the most reputable membranes manufacturers such as Dow Filmtec and Hydranautics.

As part of our industrial line, the RO-400 Series machines can accommodate 28,000 to 173,000 GPD, with feed water total dissolved solids (TDS) ranging from 1,000 to 5,000 ppm. These RO machines can come standard with pre and post treatment components. Customization such as higher feed water TDS, low water operating temperature, future expandability, variable pressure design using VFD, outputs for BMS system, data logging and remote monitoring. 

  • Industrial Reverse Osmosis System Buying Guide

In order to choose the correct RO model number, the following information must be provided:

    1. Flow rate (GPD, m3/day, etc.)
    2. Feed water TDS and water analysis: this information is important to prevent membranes from fouling, as well as help us choose the correct pre-treatment.
    3. Iron and manganese must be removed before the water enters reverse osmosis unit
    4. TSS must be removed before entering RO system
    5. SDI must be less than 3
    6. Water should be free from oil and grease
    7. Chlorine must be removed
    8. Available voltage, phase, and frequency (208, 460, 380, 415V)
    9. Dimensions of projected area where Industrial RO System will be installed



industrial reverse osmosis RO systems specifications

Industrial Reverse Osmosis System Operating Specification:

  • Max. feed water temperature: 42°C

  • Equipment upgrade for TDS over 5,000 ppm

  • Hydrogen Sulfide must be removed (H2S)

  • Max. Silica Tolerance: 60 ppm @ 60% recovery

  • Feed water TDS: 0-1,000 ppm

  • Operating pressure: 150 to 250 psi

  • pH tolerance range: 3-11
  • Max. Iron content: 0.05 ppm

  • Feed water pressure: 20 to 80 psi

  • Hardness over 1 GPG requires antiscalant dosing

  • Turbidity should be removed

  • Operate at higher TDS by lowering recovery

Model Number

Permeate Flow Rate

Quantity of 8" Membranes

Motor Rating at 1,000 ppm



60Hz (hp)

50Hz (kw)





























































For more information, please view/download "industrial reverse osmosis RO systems data sheet"

Note: If the feed water TDS exceeds 1,000 ppm, the system model number changes to BW-XXXK-XXXX, and a suffix is added to the end of the model number: “-3” is added if the TDS is 3,000 ppm or less, and “-5” is added if the TDS is 5,000 ppm or less. Example: Required system to produce 130,000 GPD with a feed water TDS of 5,000 ppm, the corresponding model number is: “BW-130K-3680-5”.

industrial reverse osmosis RO systems features

Standard Features:

Available Options:

  • Programmable time delay and set points

  • Motor starter

  • Stainless steel multi-stage pump with TEFC motor

  • FRP membrane housings

  • 5 micron cartridge pre-filter

  • 460V/3Ph/60Hz power supply

  • Microprocessor based control panel

  • NEMA 12 enclosure

  • Low pressure switch

  • High pressure switch

  • Liquid filled pressure gauges

  • Permeate conductivity monitor

  • Permeate & concentrate flow meters

  • Powder coated carbon steel frame

  • TFC spiral wound membranes

  • Automatic hourly flush

  • Feed/Permeate blending

  • Export crating

  • Ozonation and UV sterilization systems

  • Water softeners

  • Feed pH controller with sensor

  • Feed ORP controller with sensor

  • Water and hour meters

  • Chemical dosing systems

  • Media and Iron prefiltration systems

  • Post deionization polishers

  • Pre piped skid system

  • Remote Monitor/control panel

  • Feed water conductivity monitor

  • Membrane cleaning skid

  • 380-415V/3Ph/50Hz power supply

  • 220V/3Ph/60Hz power supply

  • Product tank level controller switch

Industrial reverse osmosis plants are built using robust components, 8” TFC spiral wound membranes, advanced control panels, industrial water pumps and corrosive resistance components. The ideal applications for an industrial RO water filter systems include:
  • Cooling Towers

  • Ion Exchange Pre-treatment

  • Electronics

  • Safe Drinking Water

  • Food and Beverage

  • Ice Manufacturing

  • Plating Operations

  • Power Plants

  • Metal Finishing

  • Mining Industry

  • Beverage Production and Bottled Water

  • Spot Free Product Rinse

Available Models
Product Features
Product Documents & Data Sheets
Product Videos
Industrial Reverse Osmosis Systems | Made in USA by PURE AQUA, INC. 06:52

Industrial Reverse Osmosis Systems | Made in USA by PURE AQUA, INC. ** For more information: ** For more information on Industrial Reverse Osmosis Systems: ** For Data Sheet: ** For Completed Reverse Osmosis Projects: ** For any inquiry:

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Product Reviews
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Showing reviews 1-5 of 29 | Next

  1. Price is great and quality is equally great too.

    Posted by Adrian D.

    We are satisfied with our investment. Price is great and quality is equally great too.

  2. Consistent quality.

    Posted by Jonathan M.

    These guys are really doing great products from the Media Filters to the RO. Consistent quality.

  3. High recovery rate

    Posted by Brandon E.

    TDS quality is very good and recovery rate is high. Very good designed system.

  4. We save some space and gain production too.

    Posted by Jordan E.

    The old RO was about 20% bigger but flow rate was lower that these TW-72K that we bought from Pure Aqua. We save some space and gain production too.

  5. Very satisfied on the build quality.

    Posted by Jack B.

    Very satisfied on the build quality. The components they used are known brands which means they look after quality of the products.

Showing reviews 1-5 of 29 | Next

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