The Dual Orifice Air Valve is an innovative combination of a small and large orifice air valve in a compact cylindrical housing. The function of the large holes is to allow a large amount of air to enter during the duct discharge phase and expel a large amount of air during system filling.
| Model | LYE 455 |
| Standard | JKR-20200-0097-01 |
| Diameter(mm) | 50mm, 80mm, 100mm, 150mm, 200mm |
| Material | Ductile Iron |
| Working Pressure | PN 10 / PN 16 |
| Flange Standard | BS 4504 16 / 11 |
