JIS B2220 30K WELD NECK FLANGE DIMENSIONS

PDF: JIS B2220 30K WELD NECK FLANGE DIMENSIONS

JIS B2220 30K WELD NECK FLANGE DIMENSIONS

PN 30K,  WELD NECK FLANGE.  

Nominal Pipe Size	Outside Dia. of Flange D	Sectional Dimensions of Flange														Nominal Bolt Size
		Bolt Circle Dia. C	Dia. of Raised Face g	Outside Dia. of Steel Pipe	T	b	a	R	t	d	Radius       r	s	f	Number of Bolt Holes	Dia. of Hole h
15	115	80	55	21.7	45	40	22	20	18	15.8	6	3.1	1	4	19	M16
20	120	85	60	27.2	45	44	27.5	20	18	21.1	6	3.2	1	4	19	M16
25	130	95	70	34	48	52	34.4	20	20	26.8	6	3.8	1	4	19	M16
32	140	105	80	42.7	52	62	43.1	30	22	35.1	6	4	2	4	19	M16
40	160	120	90	48.6	54	70	49.1	30	22	40.7	6	4.2	2	4	23	M20
50	165	130	105	60.5	57	84	61	30	22	52.2	8	4.4	2	8	19	M16
65	200	160	130	76.3	69	105	76.9	30	26	65.3	8	5.8	2	8	23	M20
80	210	170	140	89.1	73	118	89.7	30	28	76.4	8	6.1	2	8	23	M20
90	230	185	150	101.6	74	130	102	30	30	89.5	8	6.4	2	8	25	M22
100	240	195	160	114.3	76	142	115	30	32	101.5	8	6.8	2	8	25	M22
125	275	230	195	139.8	86	172	141	50	36	125.7	10	7.5	2	8	25	M22
150	325	275	235	165.2	95	202	166	50	38	150	10	8.1	2	12	27	M24
200	370	320	280	216.3	102	254	218	50	42	198.7	10	9.4	2	12	27	M24
250	450	390	345	267.4	118	312	269	50	48	247.5	12	10.6	2	12	33	M30 3
300	515	450	405	318.5	127	366	320	50	52	296.4	15	11.8	3	16	33	M30 3
350	560	495	450	355.6	134	406	357	80	54	331.8	15	12.7	3	16	33	M30 3
400	630	560	510	406.4	149	462	408	80	60	379.1	20	14.6	3	16	39	M36 3