Article: 700-707
Flanges: UNI EN 1092-2 PN 10 / 16 / 25
Installation: at the high part of the pipeline
APPLICATIONS • Aqueducts • Irrigation plants
– Fig. 700: flanges PN 10 – 16
– Fig. 707: flanges PN 25
Epoxy paiting suitable for drinking water applications.
The single ball automatic air valves are used for applications related to troubles with air in the pipelines. Minimum pressure on seat: 0,3 bar.
The single ball automatic air valves have two functions:
– Discharge large amount of air during filling operations
– Let air in during piping emptying operations
Materials
body
ductile iron GGG400-50, EN-GJS-400/500
cover
ductile iron GGG400-50, EN-GJS-400/500
floating ball
ABS
gasket
EPDM
painting
epoxy
| DN | D mm. | L mm. | H mm. | Weight kg. |
|---|---|---|---|---|
| 50 | 165 | 180 | 260 | 13 |
| 80 | 200 | 230 | 294 | 17 |
| 100 | 220 | 280 | 353 | 25 |
| 150 | 285 | 320 | 412 | 49 |
| 200 | 340 | 450 | 580 | 60 |
DN
Nominal pressure
Test pressure MPA
Max working pressure Mpa
mm
Bar
Body
Seat
40°C
50-200
16
2,4
1,76
1,6
50-200
25
4,0
2,75
2,5
DN of pipeline
DN of air valve
< 200 mm
DN 50
200 mm - 250 mm
DN 80
300 mm - 500 mm
DN 100
600 mm - 900 mm
DN 150
1000 mm - 1200 mm
DN 200
> 1200 mm
DN 250 o 2 x DN 200