Stainless steel anti-shock combination air valve fig. GOLIA

The air valve ensures reliable operation of piping systems by allowing air pockets to be released during working conditions, large volumes of air to enter in the event of draining operations or a pipe burst, and air to be discharged at a controlled speed.

Features

• AISI 316, Duplex 2205 or Super Duplex 2507 stainless steel body and cover, other materials on request.

• Stainless steel anti water hammer system with Duplex or Super Duplex components.

• AISI 316 or Duplex 2205 stainless steel venting sub-assembly.

• AISI 316, Duplex 2205 or Super Duplex 2507 stainless steel seat; other materials on request.

• Solid polypropylene float.

Working conditions

• Pressure: 10-16-25-40 bar.

• Minimum pressure 0.2 bar.

• Clean water up to 60°C, higher values on request.

Connections

• Flanges from DN 50 to DN 400 mm.

• Flanges to EN 1092/2, ANSI 150, AS; others on request.

• 1″ – 2″ BSP F threads; NPT on request.

Standard

• Designed and tested to EN 1074