ASME B16.5 Class 300 Blind Flange Dimension

ZHAO77JIE ASME B16.5 Dimension, Blind Flange

Class 300 Blind Flange Dimension

Nominal Pipe Size		A	C	G	H	I	J
inch	mm	mm	mm	mm	Holes	mm	mm
1/2	21.3	95.2	14.2	35.1	4	15.7	66.55
3/4	26.7	117.3	15.7	42.9	4	19	82.5
1	33.4	123.9	17.5	50.8	4	19	88.9
11/4	42.2	133.3	19	63.5	4	19	98.5
11/2	48.3	155.4	20.6	73.15	4	22.3	114.3
2	60.3	165. 1	22.3	91.9	8	19. 10	127
21/2	73.0	190.5	25.4	104.6	8	22.3	1.493
3	88.9	209.5	28.4	127	8	22.3	168.1
31/2	101.6	228.6	30.2	139.7	8	22.3	184.1
4	114.3	254	31.7	157.2	8	22.3	200.1
5	141.3	279.4	35	185.7	8	22.3	234.9
6	168.3	317.5	36.5	215.9	12	22.3	269.7
8	219. 1	381	1.620 41.10	269.7	12	25.4	330.2
10	273.0	444.5	47.7	323.9	16	28.4	387.3
12	323.8	520.7	50.8	381	16	31.7	450.8
14	355.6	584.2	53.8	412.8	20	31.7	514.3
16	406.4	647.7	57.15	469.9	20	35	571.5
18	457.2	711.2	60.45	533.4	24	35	628.6
20	508.0	774.7	63.5	584.2	24	35	685.8
24	609.6	914.4	69.85	692.2	24	41. 10	812.8

ASME B16.5 Flange, Blind Flange