Combination air valves are designed to perform the same function as air/vacuum valves.
But, in addition, they will automatically release small air pockets of air from the pipeline while under pressure, like an air release valve.
Features
Pressure & Vacuum Relief in a piping
Large capacity Venting & Vacuum relief for piping protection
Drain small air pocket from piping
Increase efficiency of water transport in a piping
Prevent overflowing
Easily cleaning the inside of air valve
Specification
Large Orifice
1/2inch (13mm) ~ 30inch (750mm)
Small Orifice
1/16inch (1.6mm) ~ 1inch (25mm)
Flange
ANSI 1/2inch (13mm) ~ 30inch (750mm)
Material
WCB, Stainless Steel, Ni-Al-Bronze, Duplex, Hastelloy, Incoloy series