Single Orifice Air Valve
The Duvalco Single Orifice Air Valve is designed to continuously release small air pockets from pressurized water systems, helping to maintain flow efficiency and prevent air-related issues such as flow restriction and pipeline damage. It is ideal for potable water applications and is built to meet stringent international standards.
Design standard
EN 1074-4
Body material
High-strength ductile iron for durability and longevity
Float mechanism
ABS (Acrylonitrile Butadiene Styrene) float for lightweight, reliable performance and corrosion resistance
Function
Single orifice design for continuous and precise air release during normal system operation
Coating
Fusion-bonded epoxy coating (WRAS-approved) for both internal and external corrosion protection
All materials in contact with water comply with BS 6920
ensuring suitability for potable water use
Working temperature
0°C to 80°C
Flange connection
EN 1092-2, PN10/PN16
Size range
DN25–DN100
