Ferrobend | Industrial Flanges Manufacturer & Supplier

DIMENSIONAL DATA

NPS	Flange OD (O)	Thickness (T)	Hub Diameter (X)	Hub Length (Y)	Point of Weld (A)	Bore (B)	Bolt Circle Dia.	No. of Holes	Hole Dia.	Approx. Weight lbs	Approx. Weight KGS
1/2	3.75	0.50	1.50	2.00	0.84	0.62	2.63	4	0.63	2	0.9
3/4	4.62	0.56	1.88	2.19	1.05	0.82	3.25	4	0.75	3	1.4
1	4.88	0.62	2.12	2.38	1.32	1.05	3.50	4	0.75	4	1.8
1-1/4	5.25	0.69	2.50	2.50	1.66	1.38	3.88	4	0.75	5	2.3
1-1/2	6.12	0.75	2.75	2.63	1.90	1.61	4.50	4	0.88	7	3.2
2	6.50	0.81	3.31	2.69	2.38	2.07	5.00	8	0.75	9	4.1
2-1/2	7.50	0.94	3.94	2.94	2.88	2.47	5.88	8	0.88	12	5.4
3	8.25	1.06	4.62	3.06	3.50	3.07	6.63	8	0.88	17.9	8.1
3-1/2	9.00	1.12	5.25	3.13	4.00	3.55	7.25	8	0.88	19.9	9
4	10.00	1.19	5.75	3.32	4.50	4.03	7.88	8	0.88	26.3	11.9
5	11.00	1.31	7.00	3.82	5.56	5.05	9.25	8	0.88	35.7	16.2
6	12.50	1.38	8.12	3.82	6.63	6.07	10.63	12	0.88	44.7	20.3
8	15.00	1.56	10.25	4.32	8.63	7.98	13.00	12	1.00	68.5	31.1
10	17.50	1.81	12.62	4.56	10.75	10.02	15.25	16	1.13	99.3	45
12	20.50	1.94	14.75	5.06	12.75	12.00	17.75	16	1.25	140.8	63.9
14	23.00	2.06	16.75	5.56	14.00	13.25	20.25	20	1.25	204.4	92.7
16	25.50	2.19	19.00	5.69	16.00	15.25	22.25	20	1.38	248	112.5
18	28.00	2.31	21.00	6.19	18.00	17.25	24.75	24	1.38	317.5	144
20	30.50	2.44	23.12	6.32	20.00	19.25	27.00	24	1.38	396.8	180
22	33.00	2.56	25.25	6.44	22.00	21.25	29.25	24	1.63	465	210.9
24	36.00	2.69	27.62	6.56	24.00	23.25	32.00	24	1.63	580	263

NPS	Flange OD (O)	Thickness (T)	Hub Diameter (X)	Hub Length (Y)	Point of Weld (A)	Bore (B)	Bolt Circle Dia.	No. of Holes	Hole Dia.	Approx. Weight LBS	Approx. Weight KGS
1/2	95	12.7	38	51	21.3	15.7	66.80	4	16.00	2	0.9
3/4	117	14.2	48	56	26.7	20.8	82.55	4	19.05	3	1.4
1	124	15.7	54	60	33.5	26.7	88.9	4	19.05	4	1.8
1-1/4	133	17.5	64	64	42.2	35.1	98.55	4	19.05	5	2.3
1-1/2	155	19.0	70	67	48.3	40.9	114.30	4	22.35	7	3.2
2	165	20.6	84	68	60.5	52.6	127.00	8	19.05	9	4.1
2-1/2	190	23.9	100	75	73.2	62.7	149.35	8	22.35	12	5.4
3	210	26.9	117	78	88.9	78.0	168.40	8	22.35	17.9	8.1
3-1/2	229	28.4	133	80	101.6	90.2	184.15	8	22.35	19.9	9
4	254	30.2	146	84	114.3	102.4	200.15	8	22.35	26.3	11.9
5	279	33.3	178	97	141.2	128.3	234.95	8	22.35	35.7	16.2
6	318	35.1	206	97	168.4	154.2	270.00	12	22.35	44.7	20.3
8	381	39.6	260	110	219.2	202.7	330.2	12	25.4	68.5	31.1
10	444	46.0	321	116	273.0	254.5	387.35	16	28.70	99.3	45
12	521	49.3	375	129	323.8	304.8	450.85	16	31.75	140.8	63.9
14	584	52.3	425	141	355.6	336.55	514.35	20	31.75	204.4	92.7
16	648	55.6	483	145	406.4	387.35	571.5	20	35.05	248	112.5
18	711	58.7	533	157	457.2	438.15	628.65	20	35.05	317.5	144
20	775	62.0	587	161	508.0	488.95	685.8	24	35.05	396.8	180
22	838	65.0	641	164	558.8	539.75	742.95	24	41.40	465	210.9
24	914	68.3	702	167	609.6	590.55	812.8	24	41.40	580	263

Dimensions are based on ASME B16.5 Class 300 flange requirements. Refer to the applicable standard for complete dimensional requirements.

ASME B16.5 Class 300
Weld Neck Flange