Table of Contents
Advertisement
If this cleaning was not sufficient, dismount bottom/cover flange (2.3) and remove float (2.1).
Plant must be pressureless for disassembly works!
Wait until unit has cooled!
Danger
•
Close shutoff valves (W+D).
•
Open drain valve (A) / plug (6); unit is drained.
•
Caution! When dismounting, residual medium may escape and further evaporation is also
possible.
•
Remove cover flange (2.3).
•
Remove float and clean standpipe and float.
•
Insert float with top-heavy side upwards into standpipe (top-heavy side with colour
marking).
•
Always use new gaskets (2.2) when assembling the unit. Tighten bolts of cover flange /
standpipe in several steps using successively opposite diagonal tightening (see table in
chapter 9.2) until reaching tightening torque Md
Close shutoff valves before carrying out preservation works or chemical
cleaning of the boiler. Or even better: interrupt passage on flange
connection of boiler nozzles by placing blind flanges.
Danger
For commissioning see chapter 9.
Design sketch see chapter 6
10.2 Tightening torques
Tightening torque Md → Md
all.
pressure
PS
1
2
[bar]
32
35
50
50
50
75
Tightening torques of screw plug (6) Md= 150 Nm
18
[Nm]
max
in steps
3
4
5
65
75
-
100
125
150
165
.
max
6
-
Advertisement
Table of Contents
