Application:
Nahrab Gostar flap valves are installed at pipeline outlets, walls, or channels. They discharge pumped or gravity flow while preventing backflow, foreign objects, and vermin from entering the pipeline.
Functions:
- Discharge pumped and gravity flow safely.
- Prevent foreign objects and vermin from entering the pipeline or channel.
- Prevent reverse flow.
Corrosion Protection:
Electrostatic epoxy powder coating with a minimum dry-film thickness of 250 μm, suitable for potable-water service.

Item No | Name | Material |
1 | Body | GJL 250 or GJS 400-15 or St 37-2 |
2 | Flap | GJL 250 or GJS 400-15 or St 37-2 |
3 | Hinge Pin | Stainless steel |
4 | Spring Pin | Stainless steel |
5 | O-ring | NBR or EPDM |
The English catalog for this product will be published here when available.
Technical drawings of this valve will be Uploaded soon