DN: 20 to 700
PN: 4 to 40

Air valves are designed for automatic air admission and air release of water pipelines in plants, buildings and valve chambers. For potable water and sewage. Air valves provide up to three functions:

• High flow rate air discharge capacity for pipe-filing operation
• High flow rate air inlet for pipe drainage operation and in case of pipe burst
• Continuous evacuation of air under normal working conditions