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 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

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

282

8

BFA12

300

445

342

363

10

Drilled to Table E

Cat.Ref.

pcd

n x dØ

BFA1/E

82

4 x 12Ø

BFA1.5/E

98

4 x 12Ø

BFA2/E

114

4 x 16Ø

BFA3/E

146

4 x 16Ø

BFA4/E

178

8 x 16Ø

BFA6/E

235

8 x 19Ø

BFA9/E

324

12 x 19Ø

BFA12/E

406

12 x 23Ø


 
Drilled to Table F

Cat.Ref.

pcd

 n x dØ

BFA1/F

87

 4 x 16Ø

BFA1.5/F

105

 4 x 16Ø

BFA2/F

127

 4 x 16Ø

BFA3/F

165

 8 x 16Ø

BFA4/F

190

 8 x 16Ø

BFA6/F

260

12 x 19Ø

BFA9/F

356

12 x 23Ø

BFA12/F

438

12 x 23Ø

Drilled to ASA 150

Cat.Ref.

pcd

n x dØ

BFA1/A

79

4 x 16Ø

BFA1.5/A

98

4 x 16Ø

BFA2/A

121

4 x 19Ø

BFA3/A

152

4 x 19Ø

BFA4/A

190

8 x 19Ø

BFA6/A

241

8 x 19Ø

BFA9/A

298

8 x 19Ø

BFA12/A

432

12 x 23Ø