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
DIN Weld Non-return Valve
| Size |
ID mm |
OD mm |
L1 mm |
L2 mm |
|---|---|---|---|---|
| DN15 | 16 | 19.0 | 30 | 45 |
| DN20 | 20 | 23.0 | 30 | 45 |
| DN25 | 25 | 28.0 | 23.5 | 35 |
| DN32 | 31 | 34.0 | 28.5 | 45 |
| DN40 | 37 | 40.0 | 28.5 | 45 |
| DN50 | 49 | 52.0 | 28.5 | 45 |
| DN65 | 66 | 70 | 28.5 | 45 |
| DN80 | 81 | 85.0 | 28.5 | 45 |
| DN100 | 100 | 104.0 | 42 | 75 |
