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2.7
Skeleton diagrams
1.
Ball valve
2.
Filter
3.
Governor
4.
Pressure gauge with shut-off cock
5a.
Gas pressure switch, min
5b.
Gas pressure switch, max
6a.
Main valve, 2 -stage. In modulaing operation, this valve is equipped
with controls for variable opening.
6b.
Safety valve
7.
Valve proving system
1)
9.
Air pressure switch
10.
Gas burner control
Pos. 5b, 7: Components not required according to EN 676.
Required over 1200 kW according to EN 676.
1)
10
Bentone
Gas valve (MultiBloc)
172 515 05 2018-01-02
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