Automatic Chlorine Dosing – Turnkey Water Disinfection from Origin Pipe (H1)

Automatic chlorine dosing is the most reliable way to keep residual chlorine stable in drinking water, swimming pools and process water without manual handling. The system measures, decides how much to dose and stops on its own once the target is reached.

With over 10 years in piping and water treatment in Vietnam, Origin Pipe offers three automatic chlorine dosing solutions sized for every scale, from building tanks to municipal water plants.

Why Switch to Automatic Chlorine Dosing?

Manual chlorination causes two recurring problems. Too little chlorine lets microorganisms grow; too much causes odor, skin irritation and pipe corrosion. Chlorine demand also shifts constantly with flow, temperature and retention time.

An automatic chlorine dosing system solves this through:

• Stable concentration: residual chlorine stays within the safe range required by Vietnam’s domestic water standard (QCVN 01-1:2018/BYT).
• Less chemical waste: it doses only what is needed.
• Operator safety: minimal direct contact with chemicals.
• Continuous monitoring: data is tracked 24/7 and easy to audit.

Origin Pipe’s 3 Automatic Chlorine Dosing Solutions

Solution 1 – Automatic Chlorine Dosing for Static Water Systems

Three components work together:

1. An online chlorine sensor monitors concentration continuously.
2. A controller sets the safe concentration band.
3. A dosing pump starts when chlorine falls below the low setpoint and stops at the high setpoint.

Applications: underground storage tanks, balancing water towers, public swimming pools, intermediate storage stations.

It suits any static water system that must hold a steady chlorine residual to technical standards.

Solution 2 – Flow-Paced Sodium Hypochlorite Dosing

In closed pipelines, water moves fast and instant chlorine readings lag behind. Here the dosing pump runs in parallel with the main supply pump, in proportion to water flow.

When the main pump starts, an interlock signal triggers the dosing pump to inject sodium hypochlorite (NaOCl) accordingly. Chlorine always tracks water volume, eliminating measurement lag.

Applications:

• Domestic water supply pumps in high-rise buildings
• Booster pump stations
• Cooling tower systems
• Pre-treated feed water for industrial production

Solution 3 – Vacuum Gas Chlorination for Large Capacity

This solution uses liquefied chlorine gas in dedicated pressure cylinders. The system runs on the vacuum principle: if a line is breached, the vacuum is lost and gas flow shuts off, making high-capacity chlorination safe.

Gas flow is controlled precisely and stably to technical standards.

Applications: municipal water treatment plants and medium-to-large industrial parks. It meets large-scale disinfection needs with optimized operating cost and high reliability.

Automatic Chlorine Dosing Solutions Compared

Our Automatic Chlorine Dosing Service Process

1. Site survey: water source, flow rate, space and residual chlorine targets.
2. Solution design: technology and equipment matched to budget.
3. Genuine equipment supply: sensors, controllers, dosing pumps, chemical tanks, valves and piping.
4. Installation, configuration and commissioning.
5. Handover, operator training and scheduled maintenance.

Why Choose Origin Pipe?

• 10+ years of experience in piping and water treatment solutions in Vietnam, founded in 2016.
• One-stop supply: pipes, valves, fittings, instruments, pumps, tanks and project-specific engineering.
• Genuine products and an expert technical team throughout the project lifecycle.

Explore more products and solutions from Origin Pipe.

Automatic Chlorine Dosing FAQ

Which automatic chlorine dosing solution fits a building? For building supply pumps, flow-paced hypochlorite dosing usually fits best. Large storage tanks can add the static-water system.

Does the system need a full-time operator? No. You only refill chemicals and check and calibrate the sensor periodically.

Is gas chlorination dangerous? The vacuum system shuts off gas automatically if a leak occurs, making it far safer than direct pressure feed.

Contact Us for Automatic Chlorine Dosing

Let Origin Pipe survey your site and propose the right automatic chlorine dosing system.

• Email: sales@originpipe.com
• Hotline: +84 917 731 144
• Website: originpipe.com
• Office: 8th Floor, Loyal Building, 151 Vo Thi Sau, Xuan Hoa Ward, Ho Chi Minh City