JIS B 2220 16K Flange

JIS 16K					LTB		DRILLING DATA			JIS 16K
NOMINAL PIPE SIZE		OUTSIDE  DIAMETER	THICKNESS OF FLANGE MIN	THINKNESS BLIND MIN	BOSSES LENGTH SOH,SWLJ	WELD NECK LENGTH	PITCH CIRCLE DIAMETER	NUMBER OF BOLT HOLES	BOLT HOLE DIAMETER	NOMINAL PIPE SIZE
MM	INCH	C	T	T1	L	L1	PCD	#	H	MM	INCH
10	3/8	90	12	12	16	31	65	4	15	10	3/8
15	1/2	95	12	12	16	32	70	4	15	15	1/2
20	3/4	100	14	14	20	34	75	4	15	20	3/4
25	1	125	14	14	20	36	90	4	19	25	1
32	1 1/4	135	16	16	22	39	100	4	19	32	1 1/4
40	1 1/2	140	16	16	24	39	105	4	19	40	1 1/2
50	2	155	16	16	24	40	120	8	19	50	2
65	2 1/2	175	18	18	26	46	140	8	19	65	2 1/2
80	3	200	20	20	28	49	160	8	23	80	3
90	3 1/2	210	20	20	30	50	170	8	23	90	3 1/2
100	4	225	22	22	34	56	185	8	23	100	4
125	5	270	22	22	34	60	225	8	25	125	5
150	6	305	24	24	38	69	260	12	25	150	6
200	8	350	26	26	40	73	305	12	25	200	8
250	10	430	28	28	44	81	380	12	27	250	10
300	12	480	30	30	48	88	430	16	27	300	12
350	14	540	34	34	52	104	480	16	33	350	14
400	16	605	38	38	60	115	540	16	33	400	16
450	18	675	40	40	64	126	605	20	33	450	18
500	20	730	42	42	68	128	660	20	33	500	20
550	22	795	44	44	70	135	720	20	39	550	22
600	24	845	46	46	74	141	770	24	39	600	24
650	26	895	48	N/A	77	N/A	820	24	39	650	26
700	28	960	50	N/A	80	N/A	875	24	42	700	28
750	30	1020	52	N/A	83	N/A	935	24	42	750	30
800	32	1085	54	N/A	86	N/A	990	24	48	800	32
850	34	1135	56	N/A	89	N/A	1040	24	48	850	34
900	36	1185	58	N/A	93	N/A	1090	28	48	900	36
1000	40	1320	62	N/A	99	N/A	1210	28	56	1000	40

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