DU146-11/4A installations up to approx. 232 kW (200.000 kcal/h), 1 1/4 in
SKU: DU146-11/4A

DU146-11/4A installations up to approx. 232 kW (200.000 kcal/h), 1 1/4 in
SKU: DU146-11/4A
The automatic bypass and differential pressure valve controls water flow in the heating circuit according to the water pressure across it and is used to maintain a minimum flow rate through the boiler and to limit circulation pressure when other water paths are closed.
Product overview
- Maintain minimum flow through a boiler
- Minimises flow noise
- Hinders boiler corrosion
- Differential pressure finely adjustable using the indicator scale integrated in metal housing
- Presetting accessible directly
- Setting value is in meters water column
- No external controls required