Single ball automatic air valves flanged PN 10, 16, 25

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