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ASME B16.5 Class 1500
Blind

ASME B16.5 Class 1500 Blind Flange Technical Drawing

DIMENSIONAL DATA

NPS	Flange OD (O)	Thickness (T)	Bolt Circle Dia.	No. of Holes	Hole Dia.	Approx. Weight LBS	Approx. Weight KGS
1/2	4.75	0.88	3.25	4	0.88	-	-
3/4	5.12	1.00	3.50	4	0.88	-	-
1	5.88	1.12	4.00	4	1.00	-	-
1-1/4	6.25	1.12	4.38	4	1.00	-	-
1-1/2	7.00	1.25	4.88	4	1.13	-	-
2	8.50	1.50	6.50	8	1.00	-	-
2-1/2	9.62	1.62	7.50	8	1.13	-	-
3	10.50	1.88	8.00	8	1.25	-	-
4	12.25	2.12	9.50	8	1.38	-	-
5	14.75	2.88	11.50	8	1.63	-	-
6	15.50	3.25	12.50	12	1.50	-	-
8	19.00	3.62	15.50	12	1.75	-	-
10	23.00	4.25	19.00	12	2.00	-	-
12	26.50	4.88	22.50	16	2.13	-	-
14	29.50	5.25	25.00	16	2.38	-	-
16	32.50	5.75	27.75	16	2.63	-	-
18	36.00	6.38	30.50	16	2.88	-	-
20	38.75	7.00	32.75	16	3.13	-	-
24	46.00	8.00	39.00	16	3.63	-	-

NPS	Flange OD (O)	Thickness (T)	Bolt Circle Dia.	No. of Holes	Hole Dia.	Approx. Weight LBS	Approx. Weight KGS
1/2	121	22.4	82.55	4	22.35	-	-
3/4	130	25.4	88.9	4	22.35	-	-
1	149	28.4	101.6	4	25.4	-	-
1-1/4	159	28.4	111.25	4	25.4	-	-
1-1/2	178	31.8	123.95	4	28.70	-	-
2	216	38.1	165.1	8	25.4	-	-
2-1/2	244	41.1	190.5	8	28.70	-	-
3	267	47.8	203.2	8	31.75	-	-
4	311	53.8	241.3	8	35.05	-	-
5	311	53.8	292.1	8	41.40	-	-
6	394	82.6	317.5	12	38.10	-	-
8	483	91.9	393.70	12	44.45	-	-
10	584	108.0	482.60	12	50.8	-	-
12	673	124.0	571.5	16	54.10	-	-
14	749	133.4	635	16	60.45	-	-
16	826	146.0	704.85	16	66.80	-	-
18	914	162.1	774.7	16	73.15	-	-
20	984	177.8	831.85	16	79.50	-	-
24	1168	203.2	990.6	16	92.20	-	-

Dimensions are based on ASME B16.5 Class 1500 flange requirements. Refer to the applicable standard for complete dimensional requirements.

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