Air/Vacuum Valve with Surge Check

Air / Vacuum Valve with Surge Check

This valve is an integral development product of air/vacuum valves combined with water hammer prevention products inside. Water hammer prevent function is performed at 10 divided sections each pressure in accordance with each working condition because the product that exists various working pressure.


  • Pressure & Vacuum Relief in a piping
  • Prevent Water Hammer & Vortex Phenomena
  • Large capacity Venting & Vacuum relief for piping protection
  • Increase efficiency of water transport in a piping
  • Prevent overflowing
  • Easily cleaning the inside of air valve


Large Orifice 1/2inch (13mm) ~ 30inch (750mm)
Flange ANSI 1/2inch (13mm) ~ 30inch (750mm)
Material WCB, Stainless Steel, Ni-Al-Bronze, Duplex, Hastelloy, Incoloy series