Designation
| NO | NAME |
|---|---|
| 1 | Body |
| 2 | Disc |
| 3 | Seal Ring |
| 4 | Spring |
| 5 | Plate |
| 6 | Ring |
| 7 | Clamp |
Technical Date
- Required differential pressure for opening the valve when fitted in a vertical pipe, as shown in fig.3, is approx. 6kpa(0.06bar).
- Max. product pressure: 1000kpa(10bar).
- Max. temperature: 140°C(EPDM).
- Min. temperature: -10°C.
Materials
- Steel parts: Stainless steel AISI 304 or acid-resistant steel AISI 316l.
- Seal ring: EPDM rubber.
- Finish: Semi bright.
Connections
-
The valve is available with welding ends for
tubes according to 3A,SMS,BS,DIN 11850.
Options
Ordering
-
Please state the following when ordering:
- Size.
- Steel garde, AISI 304 or AISI 316L.
- Rubber garde if not EPDM.
Specification
Inch Size Weld Non-return Valve
| Size |
ID mm |
OD mm |
L1 mm |
L2 mm |
|---|---|---|---|---|
| 1/2" | 9.5 | 12.7 | 30 | 45 |
| 3/4" | 15.8 | 19.05 | 30 | 45 |
| 1.0" | 22.1 | 25.4 | 23.5 | 35 |
| 1.5" | 34.8 | 38.1 | 28.5 | 45 |
| 2.0" | 47.5 | 50.8 | 28.5 | 45 |
| 2.5" | 60.3 | 63.5 | 28.5 | 45 |
| 3.0" | 72.9 | 76.2 | 28.5 | 45 |
| 4.0" | 97.6 | 101.6 | 42 | 75 |
