The underground air valve has been designed to provide the proper solution for those locations requiring cost saving, frost protection, installation under roads, pavements, buildings. The air valve will ensure the proper operation of sewage lines allowing the release of air pockets during working conditions, the evacuation and the entrance of large volumes of air during filling and draining operations.
| N. | Component | Material |
|---|---|---|
| 1 | Cover | PVC |
| 2 | Stand pipe | PVC |
| 3 | Air valve SCF 2″ | in different executions (see SCF 2″ technical details) |
| 4 | Conveyance pipe | stainless steel or plastic |
| 5 | Drain pipe | stainless steel or plastic |
| 6 | Sectioning device | ductile cast iron GJS 450-10 epoxy coated, stainless steel, NBR |
| 7 | Handle | stainless steel |
| 8 | Flange | steel epoxy coated |
| 9 | Drain | polypropylene |
| 10 | Manoeuvering rod | zinc-plated steel |