baltur COMIST 122 DSPGM Manual De Instrucciones página 19

DRAWING OF GAS AND MIXED MODULATING TWO-STAGE PROGRESSIVE 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 butterfly valve
4 Safety gas valve
5 Pilot gas valve
6 Air pressure switch
7 Valve seal control device and pressure switch (LDU)
DETAIL OF GAS SUPPLY BUTTERFLY VALVE FOR COMIST
122 DSPGM
The slot on the end of the shaft indicates
the butterfly valve position (gate)
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 Vibration-proof joint
13 Ball cock
14 Main flame gas valve
DETAIL OF GAS SUPPLY BUTTERFLY VALVE
FOR COMIST 180 - 250 - 300 DSPGM
The slot on the end of the shaft indicates
the butterfly valve position (gate)
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