Single Air Valve

In modern pipeline systems, trapped air can significantly reduce efficiency, cause flow interruption, and even damage equipment. Our FYL Single Air Valve (China Manufacturer/ Supplier) is specifically engineered to solve these issues by automatically releasing accumulated air and allowing air intake when negative pressure occurs.

Working Principle

The Single Air Valve operates based on a float-controlled mechanism:

• Filling Stage: The valve remains open to release a large volume of air
  
• Water Rising Stage: The float ball rises with water level, sealing the exhaust port
  
• Normal Operation: Small amounts of accumulated air are automatically discharged
  
• Negative Pressure Condition: The valve opens to intake air, protecting the pipeline from collapse
  

This fully automatic process ensures that the FYL Single Air Valve operates efficiently without manual intervention.

Structural Features

• Stainless Steel Float Ball: Corrosion-resistant and highly responsive
  
• Reliable Sealing System: Rubber sealing ensures tight closure and long-term durability
  
• Barrel-Type Valve Body: Provides stable internal flow and structural strength
  
• Automatic Control Mechanism: Combines air release and air intake functions
  

These features make the Single Air Valve suitable for long-term and continuous operation.

Technical Advantages

1. Efficient Air Release

Quickly removes large volumes of trapped air during system startup, reducing air lock issues.

2. Energy Saving

Improves pipeline efficiency, reducing pump workload and overall energy consumption.

3. Safety Protection

Prevents pipeline damage by allowing air intake under negative pressure conditions.

4. Wide Application Range

Suitable for water, chemical fluids, heating systems, and industrial pipelines.

5. Low Maintenance Requirement

Simple and robust design minimizes maintenance needs and operational costs.

Single air valve screwed

Specification

Pressure Rating: PN10/PN16/PN25

Working Medium: Hot andcold water

Working Temperature: 0°Cto 80°

Stainless Steel Float Ball

End connection: BS21TaperThreaded

(ISO 7)/BS EN10226-2

Dimension(mm)

Flanged single air valve

Specification

Pressure Rating: PN10/PN16/PN25

Working Medium: Hot andcold water

Working Temperature: 0°Cto 80°

Stainless Steel Float Ball

End connection: RF Flange

BS/ASME/JIS/DIN

Dimension(mm)

Simple photos and structure

Application Fields

FYL Single Air Valve is widely used in:

• Water supply and drainage systems

• HVAC and heating systems

• Boiler and hot water circulation systems

• Oil and gas pipelines

• Wastewater treatment plants

• Industrial fluid transportation systems

Our Single Air Valve is designed to meet the requirements of various industries and complex environments.