Fig. IV-3501 · Waterworks
Combination Air Valve
Air release, vacuum and air/vacuum functions in one body
WRAS
Double-orifice combination air valve protecting long transmission profiles: large-orifice filling/draining air exchange plus small-orifice pressurized air release.
Products are supplied to the stated API / ISO / ASME / AWWA standards from qualified manufacturers for projects in Saudi Arabia, including Dammam, Jubail, Yanbu, Riyadh, Jeddah and the Eastern Province. Certifications, monograms and listings are those of the manufacturing plant and are provided as specified in the purchase order.
Technical specifications
| Figure number | IV-3501 |
|---|---|
| Size range | 1″ – 8″ (DN25 – DN200) |
| Pressure rating | 232 psi (16 bar) |
| End connections | Threaded / Flanged |
| Typical materials | As specified on the project datasheet |
| Design standards | AWWA C512 |
| Certifications (per manufacturer) | WRAS |
Key features
- Kinetic + automatic dual function
- Surge-dampening float designs available
- Ductile iron, epoxy coated
- Stainless floats & trim
