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Introduction to Reverse Osmosis Systems

Reverse Osmosis (RO) is considered the gold standard for producing ultra-pure drinking water. The process works by applying pressure to water, forcing it through a semi-permeable, thin-film composite (TFC) RO Membrane. The membrane is rated at approximately 0.0001 micron and is fine enough to reject almost all dissolved contaminants, including salts, chemicals, heavy metals (Lead, Arsenic), PFOA/PFOS, bacteria, and viruses. A typical RO System is a multi-stage process: Sediment Pre-filter, Carbon Pre-filter, RO Membrane, and a final Carbon Post-filter, with the purified water stored in a dedicated pressurized holding tank.

Ningbo Yaorui Water Purification Technology Co., LTD. manufactures a comprehensive range of RO systems, from compact under-sink POU units to light commercial systems. Our 15 years of expertise is concentrated on sourcing high-rejection, low-pressure RO membranes, high-quality filter housings, and durable, food-grade storage tanks. We focus on optimizing the system's recovery rate (reducing drain water waste) and ensuring the final post-carbon stage delivers perfectly polished, pure-tasting water.

We are a high-volume global exporter, supplying private label RO systems and components to distributors in markets demanding the purest drinking water. We guarantee flawless quality and operational reliability, providing the ultimate POU water purification solution.


Key Specification Parameters

ParameterRange / DescriptionPerformance Metric
System Stages4, 5, or 6 Stages (Sediment, Carbon, Membrane, Post-Carbon)Comprehensive Contaminant Removal
RO Membrane Rating50 GPD to 150 GPD (Gallons Per Day)Production Capacity
Contaminant Rejection>95% TDS (Total Dissolved Solids)Measure of Purity/Effectiveness
Pressure Tank Size3.2 Gallon to 14 Gallon (Storage Capacity)On-Demand Water Volume
Wastewater Ratio1:1 to 1:4 (Product Water to Drain Water)Efficiency of Water Use
Required FeaturesHigh-Quality Faucet, Automatic Shut-Off ValveUser Convenience and System Safety
Optional AdditionPermeate Pump or Booster Pump (for low pressure)Enhances Production Rate/Efficiency

The Contaminant Rejection rate (or TDS rejection) is the critical performance factor, ensuring ultra-pure water. The RO Membrane Rating determines the speed of water production. Our systems feature an Automatic Shut-Off Valve (ASOV) to stop water flow once the storage tank is full, preventing drain waste. We offer systems with a Booster Pump for low-pressure environments, which significantly improves the Wastewater Ratio (efficiency) and production speed, addressing a common consumer concern. We utilize certified, food-grade materials for all wetted components. Our systems undergo rigorous performance testing before export, ensuring high production capacity and flawless operational reliability in the field.

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Essential Applications for Reverse Osmosis

RO systems are used wherever water purity and the removal of dissolved solids are paramount.

  • Ultra-Pure Drinking Water (POU): Providing the highest level of purification for drinking, cooking, infant formula, and making ice, especially in areas with known chemical contamination (e.g., high TDS, Lead, Arsenic).

  • Commercial Applications: Essential for medical laboratories, dentists' offices, coffee shops, and specialized manufacturing (e.g., electronics washing) requiring ultra-low TDS water.

  • Aquarium and Hydroponics: Providing high-purity water to ensure precise control over nutrient levels in sensitive reef aquariums and advanced hydroponic growing systems.

  • Low-Pressure Well Water: Used with a booster pump to overcome pressure deficits and ensure maximum purification from challenging well water sources.

  • Removing Chemicals of Emerging Concern: One of the only POU technologies consistently proven effective at removing modern pharmaceutical traces, PFOA/PFOS, and other difficult-to-treat contaminants.

RO is the most effective solution for comprehensive drinking water purification.

About Yaorui
Ningbo Yaorui Water Purification Technology Co., LTD.

Ningbo Yaorui Water Purification is a China Reverse Osmosis System Suppliers and Reverse Osmosis System Factory. We specialize in, with over 15 years of industry expertise. We offer a comprehensive range of water filters for drinking water use, shower filters, Coffee machine filters, and outdoor use.

Our factory is strategically located in Ningbo Sea Port City, allowing us to efficiently serve customers across the United States, Canada, Australia, and beyond. This prime location enables us to sell our products globally at competitive prices while providing exceptional customer service. In addition, our extensive experience and deep industry knowledge equip us to tackle complex challenges and deliver customized solutions for those who want to buy water filters.

We are dedicated to continuous quality improvement and new product development, ensuring that every product meets the standards of performance and reliability. By leveraging advanced technology and practices, we minimize environmental impact while product performance. Our commitment to excellence is reflected in our pursuit of sustainable production, flawless quality, and operational reliability.

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