Saftey valve Frese
The safety valves take care and lead away excess air, water and steam from vessels or pipe systems within a heating installation. DN20 are spring loaded safety valves in angle with relief knob. All have built in drain mode. If the valve is used in heating systems safety valves are recommended with an opening pressure of 1.5 bar, 2.0 bar and 2.5 bar.
|Max operating temperature||120|