ANSI/ASME B16.5 Class 150 Forged Steel Flat Face Weld-Neck Flanges

Dimensions: ANSI/ASME B16.5 Class 150 Forged Steel Flat Face Weld-Neck Flanges

ALL DIMENSIONS ARE IN INCHES UNLESS OTHERWISE STATED

API Part Number	Size	O.D.	I.D.	Ø B.H.C.	Ø B.H.	# B.H.	THK 1	THK 2	Ø H.D.	Ø A (Weld Point)	Weight Lbs
FFWN0050-S40	0.5	3.50	0.62	2.38	0.63	4	0.44	1.81	1.19	0.84	1.2
FFWN0075-S40	0.75	3.88	0.82	2.75	0.63	4	0.50	2.00	1.50	1.05	1.7
FFWN0100-S40	1	4.25	1.05	3.13	0.63	4	0.56	2.12	1.32	1.32	2.4
FFWN0125-S40	1.25	4.63	1.38	3.50	0.63	4	0.63	2.19	1.66	1.66	3.0
FFWN0150-S40	1.5	5.00	1.61	3.88	0.63	4	0.69	2.38	1.90	1.90	3.9
FFWN0200-S40	2	6.00	2.07	4.75	0.75	4	0.75	2.44	2.38	2.38	5.9
FFWN0250-S40	2.5	7.00	2.47	5.50	0.75	4	0.88	2.69	2.88	2.88	9.3
FFWN0300-S40	3	7.50	3.07	6.00	0.75	4	0.94	2.69	3.50	3.50	11.1
FFWN0350-S40	3.5	8.50	3.55	7.00	0.75	8	0.94	2.75	4.00	4.00	13.7
FFWN0400-S40	4	9.00	4.03	7.50	0.75	8	0.94	2.94	4.50	4.50	15.4
FFWN0500-S40	5	10.00	5.05	8.50	0.88	8	0.94	3.44	5.56	5.56	19.1
FFWN0600-S40	6	11.00	6.07	9.50	0.88	8	1.00	3.44	6.63	6.63	23.4
FFWN0800-S40	8	13.50	7.98	11.75	0.88	8	1.13	3.94	8.63	8.63	38.3
FFWN1000-S40	10	16.00	10.02	14.25	1.00	12	1.19	3.94	10.75	10.75	52.3
FFWN1200-S40	12	19.00	11.94	17.00	1.00	12	1.25	4.44	12.75	12.75	80.7
FFWN1400-S40	14	21.00	13.12	18.75	1.13	12	1.38	4.94	14.00	14.00	108.1
FFWN1600-S40	16	23.50	15.00	21.25	1.13	16	1.44	4.94	16.00	16.00	137.4
FFWN1800-S40	18	25.00	16.88	22.75	1.25	16	1.56	5.44	18.00	18.00	160.7
FFWN2000-S40	20	27.50	18.81	25.00	1.25	20	1.69	5.62	20.00	20.00	199.6
FFWN2400-S40	24	32.00	22.62	29.50	1.38	20	1.88	5.94	24.00	24.00	281.8

  Notes:

• Dimensions and Tolerances per ASME B16.5 (½” to 24″).
• Meets ANSI/ASME Class 150 bolt pattern.
• Material meets ASTM A105 Forged Steel requirements.
• Weld Neck Flanges listed above are for Schedule 40 Pipe.
• Weld Neck Flanges from NPS 1/2″ to 10″ also correspond to Standard Schedule Pipe. Weld Neck Flanges for other Pipe Schedules are available upon request.
• Flanges are painted black.