Flanges

Weld Neck Pipe Flange Schedule 40S ANSI150

Technical features

To suit Schedule 40S Pipe
Manufactured to ASME B16.5 ANSI150 Standard
Forged to ASTM A182
Raised Face Weld Neck Flange (RFWN/WNRF)
All sharp edges have been chamfered by 0.5 mm at 45°

Reference specifications — not a stock confirmation.
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Sizes & specifications

9 reference variants · dimensions as published

9 listed variants

Labelled dimensional drawing for Weld Neck Pipe Flange Schedule 40S 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	F	G
SPF15A150S40-WN	1/2"	15NB	F316L	9.6	15.8	90	60.3	4x15.88	9.6	46	21.3
SPF20A150S40-WN	3/4"	20NB	F316L	11.2	20.93	100	69.9	4x15.88	11.2	51	26.7
SPF25A150S40-WN	1"	25NB	F316L	12.7	26.64	110	79.4	4x15.88	12.7	54	33.4
SPF32A150S40-WN	1 1/4"	32NB	F316L	14.3	35.05	115	88.9	4x15.88	14.3	56	42.2
SPF40A150S40-WN	1 1/2"	40NB	F316L	15.9	40.89	125	98.4	4x15.88	15.9	60	48.3
SPF50A150S40-WN	2"	50NB	F316L	17.5	52.5	150	120.7	4x19.05	17.5	62	60.3
SPF65A150S40-WN	2 1/2"	65NB	F316L	20.7	62.71	180	139.7	4x19.05	20.7	68	73
SPF80A150S40-WN	3"	80NB	F316L	22.3	77.93	190	152.4	4x19.05	22.3	68	88.9
SPF100A150S40-WN	4"	100NB	F316L	22.3	102.26	230	190.5	8x19.05	22.3	75	114.3