Flanges

Blind Flange ANSI150

Technical features

Also known as a Blanking Flange
Manufactured to ASME B16.5 ANSI150 Standard (*)
Forged to ASTM A182
Raised Face Blind Flange (RFBL/BLRF) (*)
All sharp edges have been chamfered by 0.5 mm at 45°

Reference specifications — not a stock confirmation.
Request a quotation to confirm the offered manufacturer, material, dimensions, availability and delivery terms.

VIEW SIZES & DIMENSIONS ↓

Need a different specification?

Describe your requirement

Sizes & specifications

14 reference variants · dimensions as published

14 listed variants

Labelled dimensional drawing for Blind Flange ANSI150 — Dimension letters in the table correspond to this drawing. Check the stated units before specifying.

Code	Inch Size	Metric Size	Grade	Thickness	A	B	C	D	E
SBF15A150	1/2"	15NB	F316L	9.6	90	60.3	4x15.88	9.6	34.9
SBF20A150	3/4"	20NB	F316L	11.2	100	69.9	4x15.88	11.2	42.9
SBF25A150	1"	25NB	F316L	12.7	110	79.4	4x15.88	12.7	50.8
SBF32A150	1 1/4"	32NB	F316L	9.0	115	88.9	4x15.88	9	-
SBF40A150	1 1/2"	40NB	F316L	15.9	125	98.4	4x15.88	15.9	73
SBF50A150	2"	50NB	F316L	17.5	150	120.7	4x19.05	17.5	92.1
SBF65A150	2 1/2"	65NB	F316L	10.0	180	139.7	4x19.05	10	-
SBF80A150	3"	80NB	F316L	22.3	190	152.4	4x19.05	22.3	127
SBF100A150	4"	100NB	F316L	22.3	230	190.5	8x19.05	22.3	157.2
SBF125A150	5"	125NB	F316L	22.3	255	215.9	8x22.22	22.3	-
SBF150A150	6"	150NB	F316L	23.9	280	241.3	8x22.22	23.9	215.9
SBF200A150	8"	200NB	F316L	27.0	345	298.5	8x22.22	27	269.9
SBF250A150	10"	250NB	F316L	28.6	405	362	12x25.4	28.6	323.8
SBF300A150	12"	300NB	F316L	30.2	485	431.8	12x25.4	30.2	381