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.

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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 12Ã¸
BFA1.5/E	98	4 x 12Ã¸
BFA2/E	114	4 x 16Ã¸
BFA3/E	146	4 x 16Ã¸
BFA4/E	178	8 x 16Ã¸
BFA6/E	235	8 x 19Ã¸
BFA9/E	324	12 x 19Ã¸
BFA12/E	406	12 x 23

Drilled to Table F

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

Drilled to ASA 150

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