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500L/H Small-scale RO pure water equipment

We are a water treatment equipment manufacturer with 20‑year expertise in RO system production and 16‑year foreign trade export experience. 500‑2000L/H units in abundant stock, offer competitive wholesale prices, reliable quality, fast delivery for global clients.
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  • KY-RO500L/H

  • KAIYUAN

Product Description

RO System Introduction:

Multi-stage pretreatment combination:

Quartz sand filter + activated carbon filter + softener (optional) + iron/manganese filter + precision security filter, progressively intercepting suspended solids, colloids, residual chlorine, and hardness ions, building a complete defense for RO membrane elements and extending membrane life.

Fully automatic operation control:

PLC or microcomputer controller monitors inlet water pressure, membrane pressure difference, conductivity, and liquid level in real time, featuring low-pressure protection, high-pressure shutdown, automatic shutdown in water shortage, and full-water standby functions, enabling continuous and stable water production even without human intervention.

Modular skid-mounted structure:

The main unit, pump set, membrane housing, and electrical control cabinet are integrated into a carbon steel powder-coated or stainless steel frame, resulting in a compact layout, small footprint, and easy handling and maintenance within the workshop.

Universal consumable design:

Membrane elements, filter cartridges, and filter media all adopt industry-standard specifications, allowing users to purchase and replace them from any channel globally, freeing them from being tied to a single supplier.

Online water quality monitoring:

An online conductivity monitoring instrument is installed at the outlet, providing a clear view of pure water quality, and the data can be integrated with enterprise management systems.

500lph RO system image (1).jpeg

Product Areas



Item KY-RO-2000L/H
Rated Output 500 L/H
Desalination Rate ≥97%
Product Water Quality

≤10 μs/cm

 (subject to feed water conditions)

Recovery Rate 60%–70%
Power Supply 110V/220V/380V/440V, 60/50Hz
Frame Material 304 stainless steel
Control Mode Fully automatic PC
Pipe Material 304/ 316 stainless steel    UPVC

52

Application areas of RO systems

500lph RO system image (2)
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RO-2000L/H Auto Reverse Osmosis System | Guangzhou Kai Yuan Water Treatment Equipment Co., Ltd.

Applications

One system meets pure water demands across industries

Food & Beverage Pharmaceutical Electronics Cleaning Chemical Processing Boiler Feed Water Electroplating Hotel Drinking Water Agriculture & Aquaculture

500lph RO system image.jpg

Product Showcase

RO-2000L/H Auto Reverse Osmosis System | Guangzhou Kai Yuan Water Treatment Equipment Co., Ltd.

Process Flow

Five-stage treatment for guaranteed water quality

Feed Water
Booster Pump
Multimedia
Filter
Activated
Carbon Filter
Cartridge
Filter
High-Pressure
Pump
RO Membrane
Array
Pure Water
Supply
Concentrate: reclaimed for reuse / discharged to standard

Complete Reverse Osmosis System | Full RO Water Treatment Process Flow

Reverse osmosis (RO) water treatment system is a widely‑used industrial water purification equipment. It adopts RO membrane separation technology to remove salt, colloid, suspended solids, heavy metals, bacteria and microorganisms from raw water. RO systems are popular for drinking water production, food processing, factory water supply, brackish water and seawater desalination and many other commercial & industrial applications. A full‑set RO plant follows a complete and standardized working flow.

Reverse Osmosis System Working Process

Raw water is first pumped into the pretreatment section. The raw‑water pump pushes water through multi‑media filters to trap sand, rust and large suspended particles. Next, activated carbon filters absorb residual chlorine, organic substances, color and odd odors in water. After that, water passes through cartridge security filters to catch fine particles. Pretreatment plays a critical role to protect RO membranes from scratches and blockage, which directly decides the whole system’s long‑term stable performance.

Raw Water Pretreatment Section

Pretreated water is pressurized by high‑pressure pumps and fed into the RO main unit. High working pressure is essential for reverse osmosis operation. Under pressure, water molecules pass through RO membrane sheets to become purified product water. Salts and contaminants cannot penetrate the membrane and are discharged as concentrated reject water. Online sensors continuously monitor product‑water conductivity, working pressure and flow rate to show real‑time water quality.

RO Main Unit & Membrane Filtration

The system is equipped with an automatic cleaning module. When contaminants accumulate on membrane surfaces after long‑time operation, auto‑flushing cycles wash away fouling layers. This effectively slows down membrane fouling and extends membrane service life. Concentrated brine can be recycled for secondary use to improve water utilization rate.

RO-2000L/H Auto Reverse Osmosis System | Guangzhou Kai Yuan Water Treatment Equipment Co., Ltd.

Key Features

Every stage, from pretreatment to membrane separation, is engineered for stable output

01

All-Stainless Skid Structure

Frame, membrane housings and piping in 304 stainless steel, integrally welded — elegant appearance and rugged durability, ideal for food and pharmaceutical applications with high hygiene requirements.

02

Fully Automatic Control

Equipped with a dedicated ROC reverse osmosis controller: automatic start/stop, timed flushing, low/high-pressure protection and water shortage shutdown — no operator required.

03

Dual-Vessel Pretreatment

FRP multimedia filter combined with activated carbon filter effectively removes suspended solids, residual chlorine and organics, providing qualified feed water for the membranes and extending membrane life.

04

Brand-Name Electrical Components

CHINT breakers and contactors with neat wiring and standardized layout — safe, reliable and easy to maintain.

05

Online Monitoring Instruments

Feed/permeate pressure gauges, dual rotameters for permeate and concentrate, and an inline conductivity meter — water quality and flow at a glance.

06

High & Low Pressure Protection

The high-pressure pump set features multi-stage centrifugal boosting with low-pressure start and high-pressure shutdown protection, preventing water hammer damage to membranes.

RO-2000L/H Auto Reverse Osmosis System | Guangzhou Kai Yuan Water Treatment Equipment Co., Ltd.

Get Your Custom Proposal & Quotation

Send us your feed water quality report — our engineers will design your treatment solution for free

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Add: Floor 1&9th, Building 1, Vanyang Sci-tech Crowd Innovation Park, Baiyun District, Guangzhou, China
Tel: +86-136-3241-4272
E-mail: gzweikai@126.com
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