ASME B 16.5-2003 CLASS 300

ASME B 16.5-2003 CLASS 300
CLASS 300			FLANGE THICKNESS		LTB				DRILLINE DATA			CLASS 300
NOMINAL  PIPE SIZE		FLANGE  OUTSIDE  DIAMETER	THICKNESS  OF  FLANCE  MIN	THICKNESS  OF  LAP  MIN	BOSSED LENGTH	WELD  NECK LENGTH (Refer Note.1 )	LAP JOINT LENGTH	LONG  WELD NECK LENGTH (Refer Note.2 )	PITCH CIRCLE DIAMETER	BOLT HOLE DIAMETER	NUMBER OF BOLT HOLES	NOMINAL  PIPE SIZE
MM	INCH	OD	T	T1	L	L1	L2	L3	PCD	H	#	MM	INCH
15	1/2	95	12.7	14.3	22	51	21	229	66.7	16	4	15	1/2
20	3/4	115	14.3	15.9	25	56	24	229	82.6	20	4	20	3/4
25	1	125	15.9	17.5	27	60	25	229	88.9	20	4	25	1
32	1 1/4	135	17.5	19.1	27	64	25	229	98.4	20	4	32	1 1/4
40	1 1/2	155	19.1	20.7	30	67	29	229	114.3	23	4	40	1 1/2
50	2	165	20.7	22.3	33	68	32	229	127	20	8	50	2
65	2 1/2	190	23.9	25.5	38	75	37	229	149.2	23	8	65	2 1/2
80	3	210	27	28.6	43	78	41	229	168.3	23	8	80	3
90	3 1/2	230	28.6	30.2	44	79	43	229	184.2	23	8	90	3 1/2
100	4	255	30.2	31.8	48	84	46	229	200	23	8	100	4
125	5	280	33.4	35	49	97	49	305	235	23	8	125	5
150	6	320	35	36.6	51	97	51	305	269.9	23	12	150	6
200	8	380	39.7	41.3	60	110	60	305	330.2	26	12	200	8
250	10	445	46.1	47.7	65	116	95	305	387.4	29	16	250	10
300	12	520	49.3	50.9	73	129	102	305	450.8	32	16	300	12
350	14	585	52.4	54	76	141	111	305	514.4	32	20	350	14
400	16	650	55.6	57.2	82	144	121	305	571.5	35	20	400	16
450	18	710	58.8	60.4	88	157	130	305	628.6	35	24	450	18
500	20	775	62	63.6	95	160	140	305	685.8	35	24	500	20
600	24	915	68.3	69.9	106	167	152	305	812.8	42	24	600	24
NOTES: *Schedule of weld neck to be indicated.

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