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RO 5 Stages

High-Quality Water Treatment from an ISO 9001:2015 Certified Company

As a global leader in water filter industry, UltRATEC offers advanced reverse osmosis technology supporting Dubai’s strategic goals for water security and sustainability. Their high-performance RO-5 system incorporates five treatment stages to reliably produce the highest quality purified water.

1st Stage: Sediment filter that reduces dirt, sand, silt, rust, and other particles.
2nd Stage: Granular Activated Carbon (GAC) that reduces chlorine, odors, and other unwanted chemicals that are present.
3rd Stage: Carbon Block Filter further reduces unpleasant odors and chlorine taste.
4th Stage: 50 GPD Membrane removes a wide variety of contaminants and impurities that includes heavy metals, total dissolved solids, bacteria, viruses, and many others.
5th Stage: Inline Post Carbon filter polishes off any taste or odors that might be present in the storage tank.

Pre-Treatment (Stage 1):

The first stage protects the RO membranes from particles down to 5 microns through durable 5-micron sediment and carbon filtration cartridges. This protects against sediments, rust, and chlorine.

Reverse Osmosis (Stage 2):

The heart of the system uses a cross-flow RO membrane to reject dissolved salts like calcium, magnesium, nitrates, and other contaminants larger than water molecules. This produces pure permeate water.

Post Carbon Filtration (Stage 3):

A premium post-carbon block polishes RO-produced water by absorbing any remaining impurities prior to final storage or use.

Degasification (Stage 4):

An innovative vacuum degasification module then strips absorbed gases from the filtered water stream, such as hydrogen sulfide, carbon dioxide, and volatile organic chemicals.

Ultraviolet Disinfection (Stage 5):

A powerful 254nm UV light destroys any remaining bacteria or viruses to produce microbial safe water meeting WHO standards.

The RO-5 is ideal for facilities in Dubai’s busy coastal and tourism districts requiring ultra-high quality water for applications like cooling towers, irrigation, food/beverage processing, laboratories, hotels, hospitals, and more.
Automated clean-in-place cycles minimize downtime.
Compact yet powerful, the RO-5 consistently produces over 400 GPD of purified water—enough for large commercial operations.
Its advanced five-stage design reliably removes even the most stubborn contaminants to protect equipment, operations, and public health.
This supports Dubai’s vision of sustainability through resource independence.

What the system is and what problem it solves?

The RO 5 Stages USA system is a compact reverse osmosis purification unit designed to provide high-quality drinking water by removing dissolved solids, chemicals, and microbial contaminants. Built with U.S.-grade components, the system delivers consistent purification performance for homes, offices, and small facilities across Dubai and other regions where reliable point-of-use treatment is required.

The five-stage configuration ensures removal of sediments, chlorine, organic compounds, heavy metals, and microorganisms, producing clean water with improved taste and clarity. Its compact design fits under most sinks and requires minimal maintenance.

Process Design & Operating Philosophy

The RO 5 Stages USA system uses a multi-step filtration process to reduce contaminants at increasing levels of precision:

Sediment and carbon filtration remove particulate matter, rust, chlorine, and organic chemicals.
A high-rejection RO membrane targets dissolved salts, heavy metals, and microbial impurities.
Post-carbon polishing improves taste and odor before final dispensing.

The system is engineered for continuous, efficient operation with standard replaceable cartridges and straightforward maintenance.

Design Basis & Engineering Assumptions

Parameter	Design Basis
Feedwater TDS	400+ GPD output (depending on membrane and feed pressure)
Filtration Stages	5 stages (sediment, GAC, carbon block, RO membrane, post-carbon)
Membrane Capacity	50 GPD U.S.-made RO membrane
Design Temperature	25°C
Operating Pressure	Based on RO pump and feedwater pressure
System Type	Under-sink, point-of-use RO

Final performance depends on feedwater quality and installation conditions.

System Configuration

The RO 5 Stages USA system includes:

Stage 1: Sediment filter (5-micron)
Stage 2: Granular Activated Carbon (GAC) filter
Stage 3: Carbon Block filter
Stage 4: 50 GPD Reverse Osmosis membrane
Stage 5: Inline Post-Carbon polishing filter
Flow restrictor and auto-shutoff valve
Tubing set and fittings
Storage tank (standard under-sink size)
Feed, waste, and permeate lines
System mounting bracket

This configuration ensures thorough contaminant reduction and consistent permeate quality.

Performance Parameters

Parameter	Parameter
Parameter Flow	400+ GPD (system output under optimal conditions)
Membrane Flow	50 GPD
Contaminant Rejection	Reduces sediments, chlorine, chemicals, VOCs, TDS, heavy metals, and microorganisms
Monitoring	Based on pressure, flow rate, and filter replacement cycles

Performance varies based on feedwater quality and pressure.

Pretreatment & Integration Requirements

Pretreatment may include:

Sediment removal if incoming water has high turbidity
Activated carbon filtration for chlorinated municipal sources
Periodic cartridge replacement
Proper feed pressure to maintain RO membrane efficiency

Post-treatment (UV or remineralization) may be added based on application.

Models

Brackish Water RO – Modular Product Range

Model Number	Permeate Flow (GPD)	Notes
RO-5-USA	400+ GPD	Five-stage U.S.-grade RO system

Note: Custom configurations based on feedwater quality are available.

Features

Standard Features:

Five-stage water purification
50 GPD U.S.-made RO membrane
High-quality sediment and carbon filtration
Post-carbon taste-improvement filter
Reduces TDS, heavy metals, and organic contaminants
Compact under-sink installation
Low maintenance design
Durable NSF-grade components
Consistent purified water output

Available Options:

UV disinfection (254 nm)
Alkaline remineralization filter
Additional sediment pre-filter
Leak detection feature
Booster pump for low-pressure locations
TDS meter for quality monitoring
Larger storage tank

Applications

Drinking water supply
Food and beverage preparation
Laboratory-grade water requirements
Small commercial water systems
Equipment feedwater with lower TDS requirements
General domestic purification

Ideal for

Homes & Apartments

Provides purified drinking water directly at the sink or designated tap.

Small Offices & Workspaces

Suitable for consistent daily drinking-water supply in shared environments.

Homes & Apartments

Provides purified drinking water directly at the sink or designated tap.

Clinics, Labs & Healthcare Rooms

Useful for areas needing cleaner water for basic non-medical processes.

Food & Beverage Preparation Areas

Helps reduce chlorine, odors, and dissolved solids that affect taste.

Municipal Water Supply Users

Ideal for enhancing the quality of standard city water.

System Components

Certified Parts. Proven Performance.

We use certified components sourced from trusted global manufacturers to ensure system durability, operational stability, and regulatory compliance. From membranes and pumps to control panels and filtration media, every part is selected to support long-term performance and ease of maintenance.