Flanges

Pipe Flange ANSI300

Technical features

To suit Schedule Pipe
Manufactured to ASME B16.5 ANSI300 Standard
Forged to ASTM A182
Raised Face Slip On Flange (RFSO/SORF)
All sharp edges have been chamfered by 0.5 mm at 45°

Reference specifications — not a stock confirmation.
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Sizes & specifications

4 reference variants · dimensions as published

4 listed variants

Labelled dimensional drawing for Pipe Flange ANSI300 — 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	F	G
SPF40A300#	1 1/2"	40NB	F316L	19.1	49.5	155	114.3	4x22.22	19.1	29	70
SPF65A300#	2 1/2"	65NB	F316L	23.9	74.6	190	149.2	8x22.22	23.9	37	100
SPF80A300#	3"	80NB	F316L	27.0	90.6	210	168.2	8x22.22	27	41	117
SPF100A300#	4"	100NB	F316L	30.2	116	255	200	8x22.22	30.2	46	146