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 split 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, if specified, these can be supplied drilled as per “Table E”, “Table F” and “ASA150” standards.
Undrilled flanges | Drilled to Table E | |||||||
Cat.Ref. | DN | D | D1 | D2 | L | Cat.Ref. | pcd | n x dØ |
BFA0.5 | 12 | 80 | 25 | 28 | 6 | BFA0.5/E | 62 | 4 x 7Ø |
BFA0.7 | 15 | 85 | 29 | 37 | 6 | BFA0.7/E | 62 | 4 x 7Ø |
BFA1* | 25 | 115 | 43 | 51 | 7 | BFA1/E | 82 | 4 x 12Ø |
BFA1.5* | 40 | 150 | 58 | 66 | 7 | BFA1.5/E | 98 | 4 x 12Ø |
BFA2* | 50 | 165 | 70 | 81 | 7 | BFA2/E | 114 | 4 x 16Ø |
BFA3* | 80 | 200 | 101 | 112 | 7 | BFA3/E | 146 | 4 x 16Ø |
BFA4* | 100 | 220 | 134 | 148 | 8 | BFA4/E | 178 | 8 x 16Ø |
BFA6* | 150 | 285 | 186 | 196 | 8 | BFA6/E | 235 | 8 x 16Ø |
BFA9* | 225 | 395 | 260 | 282 | 8 | BFA9/E | 324 | 12 x 19Ø |
BFA12 | 300 | 445 | 342 | 363 | 10 | BFA12/E | 406 | 12 x 19Ø |
Drilled to Table F | Drilled to ASA 150 | ||||
Cat.Ref. | pcd | n x dØ | Cat.Ref. | pcd | n x dØ |
BFA0.5/F | 67 | 4 x 7Ø | BFA0.5/A | 62 | 4 x 7Ø |
BFA1/F | 87 | 4 x 16Ø | BFA1/A | 79 | 4 x 16Ø |
BFA0.7/F | 67 | 4 x 7Ø | BFA0.7/A | 62 | 4 x 7Ø |
BFA1.5/F | 105 | 4 x 16Ø | BFA1.5/A | 98 | 4 x 16Ø |
BFA2/F | 127 | 4 x 16Ø | BFA2/A | 121 | 4 x 19Ø |
BFA3/F | 165 | 8 x 16Ø | BFA3/A | 165 | 8 x 16Ø |
BFA4/F | 190 | 8 x 16Ø | BFA4/A | 190 | 8 x 16Ø |
BFA6/F | 260 | 12 x 19Ø | BFA6/A | 241 | 8 x 19Ø |
BFA9/F | 356 | 12 x 23Ø | BFA9/A | 298 | 8 x 19Ø |
BFA12/F | 438 | 12 x 23Ø | BFA12/A | 432 | 12 x 23Ø |
* marked items are available fast.
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