Backflow preventer
4126
4126
BACKFLOW PREVENTER (4126)
Backflow preventer (directional damper with closing function)
Model with inclined seat, made of disinfectant-resistant brass, in yellow (non-forged) finish.
For use in drinking water installations.
All elements in contact with water are made of physiologically safe materials.
Internal threaded connection with unaligned stem and double O-ring.
Sealing at the seat of the tap shall be by means of an O-ring.
The actuator is a green plastic lever.
Sizes from DN 15 to DN 20:
- 2 0273 09;
Sizes DN 25 ÷ DN 50:
- 2 0273 09;
Discharge valves 2 0275 or 2 0276 must be ordered separately.
Maximum operating temperature: 80 ºC
Maximum working pressure: 10 bar
Backflow preventer (directional damper with closing function)
Model with inclined seat, made of disinfectant-resistant brass, in yellow (non-forged) finish.
For use in drinking water installations.
All elements in contact with water are made of physiologically safe materials.
Internal threaded connection with unaligned stem and double O-ring.
Sealing at the seat of the tap shall be by means of an O-ring.
The actuator is a green plastic lever.
Sizes from DN 15 to DN 20:
- 2 0273 09;
Sizes DN 25 ÷ DN 50:
- 2 0273 09;
Discharge valves 2 0275 or 2 0276 must be ordered separately.
Maximum operating temperature: 80 ºC
Maximum working pressure: 10 bar
Name |
PN [bar] |
Link |
Size |
Article number |
Package |
Backflow preventer |
10 |
FI-FI 1/2 |
DN 15 |
2 4126 01 |
5 |
Backflow preventer |
10 |
FI-FI 3/4 |
DN 20 |
2 4126 02 |
5 |
Backflow preventer |
10 |
FI-FI 1 |
DN 25 |
2 4126 03 |
5 |
Backflow preventer |
10 |
FI-FI 1 1/4 |
DN 32 |
2 4126 04 |
5 |
Backflow preventer |
10 |
FI-FI 1 1/2 |
DN 40 |
2 4126 05 |
1 |
Backflow preventer |
10 |
FI-FI 2 |
DN 50 |
2 4126 06 |
1 |
