baltur BGN 17 DSPGN, Instructions Manual

Page: 40 / 64

40
N° 0002910640
N° BT 8918
DETAILS ON THE BUTTERFLY VALVE FOR THE REGULATION
OF THE GAS DELIVERY SERIES BGN 17 - 26 34 DSPGN
The notch shown on the end of the shaft indicates
the position of the butterfly valve (shutter)
EN
DIAGRAM FOR MODULATING OR TWO-STAGE
PROGRESSIVE GAS AND DUAL FUEL BURNERS
AT NOMINAL THERMAL POWER < 2000 Kw
1 - Ball cock
2 - Anti-vibration joint
3 - Filter
4 - Gas pressure reducer or stabilizer
5 - A couple of flange
6 - Minimum and maximum pressure switch
7 - Safety valve
9 - Principle flame valve
10- Servomotore regulator delivery (gas-air)
11- Disc with screw to regulate air and gas delivery
12- Air pressure switsh
13- Combustion head
14- Air regulation shutter
15- Ignition flame valve (pilot) with delivery regulator
D = Distance between pressure stabilizer and flange about 1,5 ÷ 2 m