J OIL-E-08 2008
FIG. 6 BOILER BLOWDOWN (models 20-60) FIG. 6A BOILER BLOWDOWN (models 6 - 15)
2.6.1 BLOWDOWN VALVE - W
ater Column
(Australian boilers only).
The valve is a three position isolation valve,
each position is indicated on a backing
plate mounted with the valve,
(the valve is shown in the blowdown position).
FIG. 7 WATER COLUMN SEQUENCING and
BLOWDOWN VALVES
(Australian boilers only)
2
8
2
2.6. BLOWDOWN VALVE