Air Valves, also known as Air Release Valves or Air Vents, are essential components in piping systems to manage air pockets and prevent air accumulation. They facilitate efficient system operations by releasing trapped air and preventing vacuum formation. At Belven, we offer a comprehensive range of air valves designed to optimize air management in piping systems. Our Air Valves are engineered for reliable performance, efficient air release and enhanced system efficiency across various industries​​​​​​​.

DI Air Valve – BV288 Series

Air Valves, comes with triple function, ductile iron body, stainless steel internals, rubber sealing and are fusion bonded epoxy coated. Design is in compliance with BS EN 1074-4 standard flanged connection.

Technical specifications
ApplicationWater Networks, Irrigation
Pressure RatingPN16 (PN 10, PN25 available on request)
Temperature Rating-10⁰C to 80⁰C at 16 bar
CoatingInternal and External coated with Fusion Bonded Epoxy (FBE), Blue(RAL 5015), Coating Thickness (DFT) = min. 250 microns.
Standard Flange Drilling

EN1092 PN 10, PN16, PN25 or ASME B16.5 CL150

Please contact us for more details. 

 Brass Air Vent – BV282 Series

Automatic Air Vent, maximum working pressure of 16 bar, brass body, float and lever in anti corrosive material , with an integral check valve, complete with  BS 21 (BSPP) male threaded ends.

Technical specifications
ApplicationHVAC system,Cold and Hot Water
Pressure RatingPN16 
Max Temperature Rating


Please contact us for more details.