Swing Check Valve – Nahrab Gostar
CHECK VALVE SWING
Swing Check Valve
DN: 50–300 mm | PN: 10 and 16 bar Nahrab Gostar swing check valves provide low-resistance non-return protection in pipelines with steady, low-velocity flow. For systems exposed to rapid flow reversal or hydraulic shock, a spring-loaded check valve is the preferred solution.
Application:
Nahrab Gostar swing check valves provide low-resistance non-return protection in pipelines with steady, low-velocity flow. For systems exposed to rapid flow reversal or hydraulic shock, a spring-loaded check valve is the preferred solution.
- Very low turbulence in the flow
- Low pressure loss.
- Suitable for horizontal or vertical installation; in vertical pipelines, flow must be upward so gravity assists disc closure.
- Flange dimensions in accordance with DIN EN 1092-2 (DIN 2501).
- Face-to-face dimensions in accordance with DIN EN 558-1, Series 48 (DIN 3202-F6).
- Final valve testing in accordance with DIN EN 12266-1.
Corrosion Protection:
Electrostatic epoxy powder coating with a minimum dry-film thickness of 250 μm, suitable for potable-water applications.
Part No. | Part Name | Material | Spare Parts |
1 | Body | Ductile iron (GJS 400-15) | |
2 | Body Ring | Stainless steel | |
3 | Clapper Disc Pin | Stainless steel | • |
4 | Clapper Disc Arm | Ductile iron (GJS 400-15) | |
5 | Bonnet | Ductile iron (GJS 400-15) | |
6 | Stem | Stainless steel | • |
7 | Washer | Galvanized steel | • |
8 | Hex Head Screw | Galvanized steel | • |
9 | Disk | Ductile iron (GJS 400-15) | |
10 | Seat | EPDM or NBR | • |
11 | O-ring | EPDM or NBR | • |
Technical drawings for this valve will be uploaded soon.