Barberi® foot valves are monodirectional devices, allowing the backflow prevention of fluid under pressure.They allow the filtering of the fluid in which they are immersed, for this reason they are normally used in hot and cold water suction systems from wells or storage and in general hydraulic systems. This valve can be only vertically installed since the seal is obtained by gravity and not by a spring as for example in articles 010, 014, 015, 024 and 025.
Acceptable working temperature range (peaks): -20 (see suitable fluids)110 °C
Working temperature range: 0 (no frost)95 °C
Check valve opening pressure: 0,02 bar
Max working pressure:
from G 3/4 to G 1 1/4 10 bar
from G 1 1/2 to G 2 8 bar
from G 2 1/2 to G 6 6 bar
Suitable fluids: water for thermal systems, glycol solutions (max 30%), domestic water
Threaded connections: ISO 228-1
| CODICE_ARTICOLO | size | P [bar] | NPS | NPC |
|---|---|---|---|---|
| x | - | - | - | - |
| 40020000 | G 3/4 F | 10 | 12 | 96 |
| 40025000 | G 1 F | 10 | 12 | 72 |
| 40032000 | G 1 1/4 F | 8 | 5 | 45 |
| 40040000 | G 1 1/2 F | 8 | 6 | 36 |
| 40050000 | G 2 F | 8 | 4 | 24 |
| 40065000 | G 2 1/2 F | 6 | - | 12 |
| 40080000 | G 3 F | 6 | - | 10 |
| 40100000 | G 4 F | 6 | - | 5 |
Data sheet 