24
Make sure that the plates fully rest against the
body seat
WARNING
The springs are preloaded and their
tension can cause injuries.
Always wear safety goggles when
replacing the springs.
Mount or remove one spring after the
other.
Make sure that no uninvolved persons
are standing in close vicinity of the
equipment.
Carefully pull the tension plates (14) off the
springs.
The required torque for tightening the sealing plugs
(1) depends on the material of the plugs and the
body as well as the nominal size and body type. For
information on the required tightening torques see
the following tables.
Fasten the sealing plugs with the specified
tightening torque.
Tightening torque [Nm] for austenitic steel
sealing plugs
DN
BB 11 BB 12, BB 14
BB 15, BB 16,
BB 32, BB 34,
BB 35, BB 36
BB 17,
BB 18
BB 19
50
–
5
5
–
65
–
5
5
–
80
–
12
12
–
100
–
13
13
–
125
–
13
27
–
150
–
–
65
65
200
–
–
135
135
250
–
–
135
135
300
–
–
135
320
350
–
–
260
–
400
–
–
320
–
450
310
310
–
–
500
310
310
630
–
600
310
310
630
–
700 1,080
1,080
–
–
800 2,240
2,240
–
–
900 1,940
1,940
–
–
1000 1,940
1,940
–
–
Tightening torque [Nm] for sealing plugs
made from bronze
DN
BB 11
BB 12, BB 14
BB 15, BB 16
450
310
310
500
310
310
600
310
310
700
460
460
800
940
940
900
1,420
1,420
1000
1,420
1,420
Содержание BB 1
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