baltur GI MIST 350 DSPGM User Instruction Manual page 19

DRAWING OF GAS AND MIXED TWO-STAGE PROGRESSIVE / MODULATING
BURNERS WITH RATED THERMAL POWER > 2000 KW (EC VERSION)
1 Modulation servomotor
2 Disc with screws for adjusting the air/gas output
3 Gas supply modulating control throttle valve
4 Safety gas valve
5 Pilot gas valve
6 Air pressure switch
7 Valve seal control device and pressure switch (LDU)
DETAIL OF THROTTLE VALVE FOR
GAS FLOW REGULATION
The slot on the end of the shaft indicates
the position of the throttle valve (damper)
8 Connection of main valves for gas valve seal control device
9 Minimum and maximum gas pressure switch with pressure ports
10 Gas pressure control
11 Gas filter
12 Anti-vibration joint
13 Ball cock
14 Main flame gas valve
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