24V DC RO Solenoid Valve – Normally Closed Water Purifier Valve

24V DC RO Water Purifier Solenoid Valve – Normally Closed Water Flow Control Valve

Product Description

The 24V DC RO Solenoid Valve is a reliable electro-mechanical water flow control valve designed primarily for Reverse Osmosis (RO) water purification systems. It is used to automatically control the flow of incoming water and can help prevent unwanted water flow when the RO system is switched off.

The valve operates using a 24V DC solenoid coil and uses a Normally Closed (NC) configuration. When the valve is not energized, the internal flow path remains closed. When 24V DC power is applied, the solenoid actuates and opens the water passage, allowing water to flow through the filtration system.

Its automatic ON/OFF operation makes it useful for controlling water flow in domestic RO purifiers, commercial filtration systems, aquarium RO setups, misting systems, and other compatible water-control applications.

The valve is constructed from high-quality engineering plastic, providing a lightweight and practical design for installation in water filtration and fluid-control systems.

Features

• 24V DC RO solenoid valve
• Normally Closed (NC) operation
• Automatic water flow control
• Electro-mechanical solenoid actuation
• Quick opening and closing response
• High-quality engineering plastic construction
• Lightweight design
• Suitable for RO water purifiers
• Suitable for domestic and commercial filtration systems
• Useful for aquarium RO systems
• Suitable for misting systems
• Helps prevent unwanted water flow
• Easy to integrate into suitable water-control systems

Specifications

Parameter	Specification
Product Type	RO Water Solenoid Valve
Operating Voltage	24V DC
Valve Type	Solenoid Actuated
Default State	Normally Closed (NC)
Material	High-Quality Engineering Plastic
Application	Domestic & Commercial RO Systems
Operation	Automatic ON/OFF Water Flow Control
Response	Quick Response
Weight	Lightweight

Working Principle

The valve uses an electromagnetic solenoid to control the water flow.

In its normal unpowered state, the valve remains closed, preventing water from passing through. When 24V DC power is supplied to the solenoid coil, the electromagnetic mechanism actuates and opens the internal flow path.

When the power is removed, the valve returns to its normally closed position and stops the flow.

This operation allows the RO controller or external control circuit to automatically regulate water supply according to the system’s operating condition.

Normally Closed Safety

The Normally Closed design means the valve remains closed when there is no electrical power.

This can help:

• Prevent unnecessary water flow
• Reduce water wastage
• Stop flow when the RO system is switched off
• Help protect downstream filtration components
• Provide automatic shut-off during power loss

Typical Application Scenarios

Domestic RO Purifiers

Suitable as a replacement or control component in residential RO water purification systems.

Aquarium RO Systems

Can be used to control water flow during aquarium water purification and water-level management applications.

Misting Systems

Useful for automatically stopping water flow to misting nozzles when the system is switched off.

Commercial Filtration

Suitable for compatible commercial and small-scale water filtration systems requiring electrically controlled water flow.

Water-Fed Pole Systems

Can be used in suitable water-fed cleaning systems to control water supply and reduce unnecessary flow.

Applications

• RO water purifiers
• Reverse osmosis systems
• Domestic water filtration
• Commercial filtration systems
• Aquarium RO systems
• Water-level control systems
• Misting systems
• Water-fed pole systems
• Automated water control
• Water dispensing systems
• DIY filtration projects
• Fluid-control systems

Package Includes

• 1 × 24V DC RO Water Purifier Solenoid Valve

Product Disclaimer

Product images are shown for illustrative and representational purposes only. The actual valve may vary slightly in colour, connector design, dimensions, plastic finish, or other appearance details depending on the manufacturing batch.

Product specifications may vary depending on supplier and production version. Please verify the valve voltage, port configuration, dimensions, water-pressure requirements, and compatibility with your RO or water-control system before installation.

This valve is intended for suitable water-control applications and should be used only within its specified electrical and mechanical operating conditions.

Important Notes

Power Supply

Use a suitable 24V DC power source for the solenoid coil. Do not connect the valve directly to a voltage higher than its specified operating voltage.

Normally Closed Operation

The valve remains closed without power and opens when the 24V DC coil is energized.

Water Compatibility

Use the valve with suitable water and compatible filtration applications. Verify pressure and tubing compatibility before installation.

Installation

Ensure all water connections are properly sealed to prevent leakage. Follow the correct flow direction and installation requirements of the specific valve version.

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