Triple function air valve fig. LYNX 3F

Single chamber, full bore automatic combination air valve, designed to ensure the correct operation of water networks.

It allows air to be expelled under pressure, large volumes of air to be admitted during draining or a pipe burst, and air to be released during filling, preventing vacuum or negative pressures.

The aerodynamic deflector prevents the moving assembly from closing prematurely, ensuring smooth, controlled behaviour of the water column.

The internal assembly, machined from solid polypropylene, guarantees high strength, precision and stability.

Made entirely of ductile iron with stainless steel internal components, the LYNX 3F air valve stands out for its durability, performance and ease of maintenance.

Features

• GJS 450-10 ductile iron body and cover

• AISI 316 stainless steel venting system

• AISI 304 stainless steel seat

• Solid polypropylene float and disc

• Integrated aerodynamic deflector

• Simplified maintenance from the top, without removing the valve

• Drain valve included as standard

• RAL 5005 blue epoxy coating applied by fluidised bed technology

Working conditions

• Maximum pressure: up to 40 bar

• Minimum pressure: 0.2 bar (lower on request)

• Maximum temperature: 60 °C

• Fluid: treated water

Connections

• Flanges from DN 50 to DN 400 mm

• Thread: BSP F 2″; NPT on request

• Flange drilling to EN 1092/2, ANSI 150, AS; others on request

Reference standards

• Designed and tested to EN 1074/4

• Compliant with AWWA C-512

• Available in SUB version with threaded outlet

• Coating to RAL 5005