ASME/ANSI B16.47 Class 900 Series A Flange Dimensions & Standards

CLASS 900 Series.A		FLANGE THICKNESS			LTB	DRILLING DATA
NOMINAL PIPE SIZE		FLANGE OUTSIDE DIAMETER	THICKNESS OF W/N MIN	THICKNESS OF BLIND MIN	WELD NECK LENGTH	PITCH CIRCLE DIAMETER	BOLT HOLE DIAMETER	NUMBER OF BOLTS HOLES	NOMINAL PIPE SIZE
MM	INCH	OD	T	T1	L1	PCD	H	#	MM	INCH
650	26	1085	139.7	160.4	286	952.5	73	20	650	26
700	28	1170	142.9	171.5	298	1022.4	79	20	700	28
750	30	1230	149.3	182.6	311	1085.8	79	20	750	30
800	32	1315	158.8	193.7	330	1155.7	86	20	800	32
850	34	1395	165.1	204.8	349	1225.6	92	20	850	34
900	36	1460	171.5	214.4	362	1289	92	20	900	36
950	38	1460	190.5	215.9	352	1289	92	20	950	38
1000	40	1510	196.9	223.9	364	1339.8	92	24	1000	40
1050	42	1560	206.4	231.8	371	1390.6	92	24	1050	42
1100	44	1650	214.4	242.9	391	1463.7	98	24	1100	44
1150	46	1735	225.5	255.6	411	1536.7	105	24	1150	46
1200	48	1785	233.4	263.6	419	1587.5	105	24	1200	48

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ASME/ANSI B16.47 Class 900 Series A