Ferrobend | Industrial Flanges Manufacturer & Supplier

DIMENSIONAL DATA

NPS	Flange OD (O)	Thickness (T)	Hub Diameter (X)	Hub Length (Y)	Bore (B)	Depth of Socket (D)	Bolt Circle Dia.	No. of Holes	Hole Dia.	Approx. Weight LBS	Approx. Weight KGS
1/2	3.75	0.50	1.50	0.81	0.88	0.38	2.63	4	0.75	3	1.4
3/4	4.62	0.56	1.88	0.94	1.09	0.44	3.25	4	0.75	3	1.4
1	4.88	0.62	2.12	1.00	1.36	0.50	3.13	4	0.75	3	1.4
1-1/4	5.25	0.69	2.50	1.00	1.70	0.56	3.50	4	0.75	4	1.8
1-1/2	6.12	0.75	2.75	1.13	1.95	0.62	4.50	4	0.88	6	2.7
2	6.50	0.81	3.31	1.25	2.44	0.69	5.00	8	0.75	7	3.2
2-1/2	7.50	0.94	3.94	1.44	2.94	0.75	5.88	8	0.88	10	4.5
3	8.25	1.06	4.62	1.63	3.57	0.81	6.63	8	0.88	13	5.9
3-1/2	9.00	1.12	5.25	1.69	4.07	...	7.25	8	0.88	17	7.7
4	10.00	1.19	5.75	1.82	4.57	...	7.88	8	0.88	22	9.9
5	11.00	1.31	7.00	1.94	5.66	...	9.25	8	0.88	28	12.7
6	12.50	1.38	8.12	2.00	6.72	...	10.63	12	0.88	39	17.6
8	15.00	1.56	10.25	2.38	8.72	...	13	12	1.00	58	26.3
10	17.50	1.81	12.62	2.56	10.88	...	15.25	16	1.13	80.5	36.5
12	20.50	1.94	14.75	2.82	12.88	...	17.75	16	1.25	114.1	51.8
14	23.00	2.06	16.75	2.94	14.14	...	20.25	20	1.38	165	74.8
16	25.50	2.19	19.00	3.19	16.16	...	22.50	20	1.38	188.5	85.5
18	28.00	2.31	21.00	3.44	18.18	...	24.75	24	1.38	248	112.5
20	30.50	2.44	23.12	3.69	20.20	...	27.00	24	1.38	312.6	141.8
22	33.00	2.56	25.25	3.94	22.22	...	29.25	24	1.63	367	166.5
24	36.00	2.69	27.62	4.13	24.25	-	32.00	24	1.63	471.3	213.8

NPS	Flange OD (O)	Thickness (T)	Hub Diameter (X)	Hub Length (Y)	Bore (B)	Depth of Socket (D)	Bolt Circle Dia.	No. of Holes	Hole Dia.	Approx. Weight LBS	Approx. Weight KGS
1/2	95	12.7	38	21	22.4	10	66.80	4	16.00	3	1.4
3/4	117	14.2	48	24	27.7	11	82.55	4	19.05	3	1.4
1	124	15.7	54	25	34.5	13	88.90	4	19.05	3	1.4
1-1/4	133	17.5	64	25	43.2	14	98.55	4	19.05	4	1.8
1-1/2	155	19.0	70	29	49.5	16	98.55	4	19.05	6	2.7
2	165	20.6	84	32	62.0	17	127.00	8	19.05	7	3.2
2-1/2	190	23.9	100	37	74.7	19	149.35	8	22.35	10	4.5
3	210	26.9	117	41	90.7	21	168.40	8	22.35	13	5.9
3-1/2	229	28.4	133	43	103.4	...	184.15	8	22.35	17	7.7
4	254	30.2	146	46	116.1	...	200.15	8	22.35	22	9.9
5	279	33.3	178	49	143.8	...	234.95	8	22.35	28	12.7
6	318	35.1	206	51	170.7	...	270.00	12	22.35	39	17.6
8	381	39.6	260	60	221.5	...	330.20	12	25.40	58	26.3
10	444	46.0	321	65	276.4	...	387.35	16	28.70	80.5	36.5
12	521	49.3	375	72	327.2	...	450.85	16	31.75	114.1	51.8
14	584	52.3	425	75	359.2	...	514.35	20	31.75	165	74.8
16	648	55.6	483	81	410.5	...	571.5	20	35.05	188.5	85.5
18	711	58.7	533	87	461.8	...	628.65	20	35.05	248	112.5
20	775	62.0	587	94	513.1	...	685.80	24	35.05	312.6	141.8
22	838	65.0	641	100	564.4	...	742.95	24	41.40	367	166.5
24	914	68.3	702	105	616.0	...	812.80	24	41.40	471.3	213.8

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
Socket Weld Flange