VMP-IOMM-2018-2
Fulton Ltd
Page 49
MAINTENANCE - 5
5.5.1
MAIN BOILER BLOWDOWN (MANUAL)
5.5.2
WATER BOTTLE BLOWDOWN
Note: The water bottle contains the pump ON/OFF
probe, which is not safety interlocked.
1. Switch the Pump switch OFF.
2. Open the water bottle blowdown
valve for 5 seconds.
3. Close the water bottle blowdown
valve and wait for 10 seconds for
the boiler to refill and the water to
stabilise in the vessel.
4. Switch the Pump switch to ON.
Figure. 24 - Water Bottle Blowdown Valve
5.5
BLOWDOWN PROCEDURES
Keep the boiler, water level gauge (sight glass), water bottle and interconnecting pipework free
from sludge and scale build-up by blowing down in the following manner:
Note: Where a boiler is operating continuously at steam pressure, advice should be sought from Fulton Service
Department regarding the appropriate blowdown procedure.
1. Start the boiler and generate 10 psi
of steam pressure.
2. Shut off both the boiler and the
pump.
3. Fully OPEN the boiler main
blowdown valve for 5 seconds,
or as recommended by the water
treatment specialist.
4. CLOSE the main blowdown valve.
Note: Where high levels of suspended solids are
produced, longer and/or more frequent blowdown may
be required.
Note:
Where Auto blowdown is fitted, this blowdown
will be carried out automatically on a daily basis.
Figure. 25 - Main Boiler Blowdown Valve
