Internal Shaft Dimensions - Viessmann Vitodens 100-W Technical Manual

Design and sizing information for connection on the flue gas side

Internal shaft dimensions

a
2
b
Minimum internal shaft dimensions
System size A
60 (rigid)
60 (flexible, shaft cover PPs)
60 (flexible, shaft cover metal)
80 (rigid)
80 (flexible, shaft cover PPs)
80 (flexible, shaft cover metal)
110 (rigid)
110 (flexible, shaft cover PPs)
110 (flexible, shaft cover metal)
125 (rigid)
160 (rigid)
200 (rigid)
250 (rigid)
Max. number of bends:
■ 87°: 3 pce
or
■ 45°: 3 pce
VIESMANN
36
a
c
External diameter, fe-
male connection
a
Ø mm
73
72
87
94
102
116
128
127
142
145
184
227
273
or
■ 30°: 4 pce
or
■ 15°: 4 pce
(cont.)
Minimum internal shaft dimensions
b c
Square or rectangular Round
(short side)
mm Ø mm
113 133
112 132
140 147
135 155
142 162
165 176
170 190
167 187
182 202
185 205
224 244
267 287
313 333
VITODENS, VITOSOLAR