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Adaptor Bellow Flanges



Adaptor bellow flange are used to fit a bellow to a flange having different bolt configuration. These flanges are made of cast iron and are supplied with a spilt ring.

These are particularly used to fit a bellow with a non-glass equipment like Glass-lined Reactor etc. These are used in FBF, VBF, type PTFE bellows.

Adaptor bellow flanges are generally supplied undrilled. However, it specified these can be supplied drilled as per Table E Table F and ASA 150 standards.



Undrilling flanges

Cat.Ref.
DN
D
D1
D2
L
BFA1*
25
115
43
51
7
BFA1.5*
40
150
58
66
7
BFA2*
50
165
70
81
7
BFA3*
80
200
101
112
7
BFA4*
100
220
134
148
8
BFA6*
150
285
186
196
8
BFA9*
225
395
260
2852
8
BFA12
300
445
342
363
10

Drilled to Table E

Cat.Ref.
pcd
n x do
BFA1/E
82
4 x 12
BFA1.5/E
98
4 x 12
BFA2/E
114
4 x 16
BFA3/E
146
4 x 16
BFA4/E
178
8 x 16
BFA6/E
235
8 x 19
BFA9/E
324
12 x 19
BFA12/E
406
12 x 23

Drilled to Table F

Cat.Ref.
pcd
n x do
BFA1/F
87
4 x 16
BFA1.5/F
105
4 x 16
BFA2/F
127
4 x 16
BFA3/F
165
8 x 16
BFA4/F
190
8 x 16
BFA6/F
260
12 x 19
BFA9/F
356
12 x 23
BFA12/F
438
12 x 23

Drilled to ASA 150

Cat.Ref.
pcd
n x do
BFA1/A
79
4 x 16
BFA1.5/A
98
4 x 16
BFA2/A
121
4 x 19
BFA3/A
152
4 x 19
BFA4/A
190
8 x 19
BFA6/A
241
8 x 19
BFA9/A
298
8 x 19
BFA12/A
432
12 x 23
 


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