Ferrobend | Industrial Flanges Manufacturer & Supplier

DIMENSIONAL DATA

NPS	Flange OD (O)	Thickness (T)	Bolt Circle Dia.	No. of Holes	Hole Dia.	Approx. Weight LBS	Approx. Weight KGS
1/2	3.75	0.50	2.63	4	0.75	2	0.9
3/4	4.62	0.56	3.25	4	0.75	3	1.4
1	4.88	0.62	3.13	4	0.75	4	1.8
1-1/4	5.25	0.69	3.50	4	0.75	6	2.7
1-1/2	6.12	0.75	4.50	4	0.88	7	3.2
2	6.50	0.81	5.00	8	0.75	8	3.6
2-1/2	7.50	0.94	5.88	8	0.88	12	5.4
3	8.25	1.06	6.63	8	0.88	16	7.2
3-1/2	9.00	1.12	7.25	8	0.88	21	9.5
4	10.00	1.19	7.88	8	0.88	28	12.7
5	11.00	1.31	9.25	8	0.88	37	16.7
6	12.50	1.38	10.63	12	0.88	50	22.7
8	15.00	1.56	13.00	12	1.00	81	36.7
10	17.50	1.81	15.25	16	1.13	124	56.2
12	20.50	1.94	17.75	16	1.25	185	83.9
14	23.00	2.06	20.25	20	1.25	250	113.4
16	25.50	2.19	22.50	20	1.38	315	142.9
18	28.00	2.31	24.75	24	1.38	414	187.8
20	30.50	2.44	27.00	24	1.38	515	233.6
22	33.00	2.56	29.25	24	1.63	640	290.3
24	36.00	2.69	32	24	1.63	800	362.9

NPS	Flange OD (O)	Thickness (T)	Bolt Circle Dia.	No. of Holes	Hole Dia.	Approx. Weight LBS	Approx. Weight KGS
1/2	95	12.7	66.80	4	16.00	2	0.9
3/4	117	14.2	82.55	4	19.05	3	1.4
1	124	15.7	88.90	4	19.05	4	1.8
1-1/4	133	17.5	98.55	4	19.05	6	2.7
1-1/2	155	19.0	114.30	4	22.35	7	3.2
2	165	20.6	127.00	8	19.05	8	3.6
2-1/2	190	23.9	149.35	8	22.35	12	5.4
3	210	26.9	168.40	8	22.35	16	7.2
3-1/2	229	28.4	184.15	8	22.35	21	9.5
4	254	30.2	200.15	8	22.35	28	12.7
5	279	33.3	234.95	8	22.35	37	16.7
6	318	35.1	270.00	12	22.35	50	22.7
8	381	39.6	330.20	12	25.40	81	36.7
10	444	46.0	387.35	16	28.70	124	56.2
12	521	49.3	450.85	16	31.75	185	83.9
14	584	52.3	514.35	20	31.75	250	113.4
16	648	55.6	571.5	20	35.05	315	142.9
18	711	58.7	628.65	20	35.05	414	187.8
20	775	62.0	685.80	24	35.05	515	233.6
22	838	65.0	742.95	24	41.40	640	290.3
24	914	68.3	812.80	24	41.40	800	362.9

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

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