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JIS 10K

Japanese Flange Standards

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5K 10K 16K 20K 30K

All Standards American Standard Australian Standard British Standard Japanese Standard

Size and Dimension Specifications

JIS B2220 10K flange specifications cover nominal pipe sizes from 10mm (3/8") to 1000mm (40"). Available in slip-on, weld neck, blind, socket weld, and threaded configurations. These flanges feature 4 to 28 bolt holes with diameters ranging from 15mm to 39mm.

JIS Flanges

5K 10K 16K 20K 30K

JIS 10K

JIS 10K					LTB		DRILLING DATA			JIS 10K
NOMINAL PIPE SIZE		DIAMETER OF FLANGE	THICKNESS OF FLANGE MIN	THICKNESS BLIND MIN	BOSSED LENGTH SOL SW LJ	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	29	65	4	15	10	3/8
15	1/2	95	12	12	16	31	70	4	15	15	1/2
20	3/4	100	14	14	20	32	75	4	15	20	3/4
25	1	110	14	14	20	35	90	4	19	25	1
32	1 1/4	135	16	16	22	38	100	4	19	32	1 1/4
40	1 1/2	140	18	16	24	38	105	4	19	40	1 1/2
50	2	155	18	16	24	40	120	4	19	50	2
65	2 1/2	175	18	18	27	44	140	4	19	65	2 1/2
80	3	185	18	18	30	45	150	8	19	80	3
90	3 1/2	195	18	18	N/A	45	160	8	19	90	3 1/2
100	4	210	18	18	32	45	175	8	19	100	4
125	5	230	20	20	40	47	210	8	23	125	5
150	6	280	22	22	40	53	240	8	23	150	6
175	7	300	22	22	N/A	54	270	8	23	175	7
200	8	330	22	22	N/A	58	290	12	23	200	8
225	9	350	22	22	N/A	59	310	12	25	225	9
250	10	400	24	24	36	65	355	12	25	250	10
300	12	445	24	24	38	73	410	12	25	300	12
350	14	490	26	26	42	75	445	16	25	350	14
400	16	520	28	28	44	79	515	16	27	400	16
450	18	570	30	30	48	84	565	20	27	450	18
500	20	575	30	30	48	90	620	20	27	500	20
550	22	745	32	34	52	111	675	24	33	550	22
600	24	735	32	36	52	112	730	24	33	600	24
650	26	845	34	38	56	115	780	24	33	650	26
700	28	905	34	40	58	132	840	24	33	700	28
750	30	970	36	44	62	139	900	24	33	750	30
800	32	1020	36	46	64	139	950	24	33	800	32
850	34	1070	36	48	66	139	1000	28	33	850	34
900	36	1120	38	50	70	140	1050	28	33	900	36
1000	40	1235	40	56	74	151	1160	28	39	1000	40

NOTES:

(1) Further sizes are available up to 1500NB.

(1) Various types of weld preps are offered with this standard. Please confirm at enquiry.

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