baltur COMIST 72 DSPGM Manual De Mantenimiento, Uso E Instalación página 20

DIAGRAM FOR MODULATING OR TWO-STAGE PROGRESSIVE GAS AND DUAL FUEL BURNERS AT
E
NOMINAL THERMAL POWER > 2000 Kw
N
G
L
I
S
H
1 - Modulation Servomotor
2 - Deflector with air and gas supply rate adjuster screws
3 - Gas supply modulating throttler valve
4 - Safety valve
5 - Pilot gas valve
6 - Air pressure switch
7 - Seal control device (LDU) and pressure switch
8 - Connection between main valves for the valve seal
control device
DETAILS ON THE REGULATION OF GAS DELIVERY
IN MODULATING BURNERS WITH THROTTLE VALVE
COMIST 72 - 122 DSP GM
The notch shown on the end of the shaft indicates
the position pf the throttle valve (shutter)
9 - Minimum and maximum gas pressure switches with
pressure take-off
10 - Gas pressure regulator
11 - Filter
12 - Anti-vibration joint
13 - Ball valve
14 - Main flame gas v
DETAILS ON THE REGULATION OF GAS DELIVERY
IN MODULATING BURNERS WITH THROTTLE VALVE
COMIST 180 - 250 - 300 DSPGM
The notch shown on the end of the shaft indicates
the position pf the throttle valve (shutter)
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alve