055
055
Controllable check valve
- Acceptable working temperature range (peaks): -20 (see suitable fluids)–110 °C
- Working temperature range: 0 (no frost)–95 °C
- Check valve opening pressure: 0,05 bar
- Max working pressure: 16 bar
- Suitable fluids: water for thermal systems, glycol solutions (max 30%), domestic water
- Threaded connections: ISO 228-1
- Product codes
- Description
- Documentation
- Alternative products
Product codes
| Item code | Size |
|
|
Download the 3D file |
|---|---|---|---|---|
| 055015000 | G 3/4 RN - G 3/4 M | - | 100 |
Description
Barberi® check valves are monodirectional devices, allowing the backflow prevention of fluid under pressure. According to the model, they are normally used in domestic water installations, booster pump systems, heating systems, central heating systems, heat generators (wall-mounted boilers, solid fuel generators, heat pumps). Sealing is permitted through forces exerted by a spring and by the fluid pressure against a gasket which guarantees the seal even at very low back pressures. Moreover, the force of the spring allows the valve to have a universal characteristics concerning the installation position.
The peculiarity of this valve is the presence of a running nut with flat seal and two side drains (test ports), upstream and downstream of the check valve insert respectively. The running nut can be used to connect directly the valve to a water meter. The side drains are used to verify the correct working of the check valve (test port upstream of the check insert) and to drain the system (test port downstream of the check valve). This valve can be used as antipollution device in systems with potable water.
Documentation
Alternative products
