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 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 23

Drilled to Table F

Cat.Ref.	pcd	n x do
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 23

Drilled to ASA 150

Cat.Ref.	pcd	n x do
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 23

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