KÍCH THƯỚC MẶT BÍCH TIÊU CHUẨN ANSI B16.5 CLASS 150

Nominal Pipe Size	Nominal Pipe Size	Outside Dia.	Slip-on Socket Welding	O.D.of Raised Face	Dia. at Base of Hub	Bolt Clrcle Dia.	Thickness	Number of Holes	Dia. of Holes
Inch	DN	D	B2	G	X	C	T
1/2	15	89	22.4	35.1	30.2	60.5	11.2	4	15.7
3/4	20	99	27.7	42.9	38.1	69.9	12.7	4	15.7
1	25	108	34.5	50.8	49.3	79.2	14.2	4	15.7
1.1/4	32	117	43.2	63.5	58.7	88.9	15.7	4	15.7
1.1/2	40	127	49.5	73.2	65	98.6	17.5	4	15.7
2	50	152	62	91.9	77.7	120.7	19.1	4	19.1
2.1/2	65	178	74.7	104.6	90.4	139.7	22.4	4	19.1
3	80	191	90.7	127	108	152.4	23.9	4	19.1
4	100	229	116.1	157.2	134.9	190.5	23.9	8	19.1
5	125	254	143.8	185.7	163.6	215.9	23.9	8	22.4
6	150	279	170.7	215.9	192	241.3	25.4	8	22.4
8	200	343	221.5	269.7	246.1	298.5	28.4	8	22.4
10	250	406	276.4	323.9	304.8	362	30.2	12	25.4
12	300	483	327.2	381	365.3	431.8	31.8	12	25.4
14	350	533	359.2	412.8	400.1	476.3	35.1	12	28.4
16	400	597	410.5	469.4	457.2	539.8	36.6	16	28.4
18	450	635	461.8	533.4	505	577.9	39.6	16	31.8
20	500	699	513.1	584.2	558.8	635	42.9	20	31.8
24	600	813	616	692.2	663.4	749.3	47.8	20	35.1