ASME/ANSI B16.5 Class 1500 Flange Dimensions & Standards

CLASS 1500			FLANGE THICKNESS			LTB				DRILLING DATA
NOMINAL PIPE SIZE		FLANGE OUTSIDE DIAMETER	THICKNESS OF FLANGE MIN	BOSSED LENGTH	WELD NECK LENGTH	LAP JOINT LENGTH	LONG WELD NECK LENGTH	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	121	22.5	39.0	67	32	229	82.6	22	4	15	1/2
20	3/4	130	25.5	42.0	77	35	229	88.9	22	4	20	3/4
25	1	149	29	48.0	80	41	229	101.6	26	4	25	1
32	1 1/4	159	29	48.0	80	41	229	111.1	26	4	32	1 1/4
40	1 1/2	178	32	51.0	90	44	229	123.8	29	4	40	1 1/2
50	2	216	38.5	64.0	109	57	229	165.1	29	8	50	2
65	2 1/2	244	41.5	71.0	112	64	229	190.5	29	8	65	2 1/2
80	3	267	48		124	73	229	203.2	32	8	80	3
100	4	311	54		131	90	229	241.3	35	8	100	4
125	5	375	73.5		163	105	305	292.1	42	8	125	5
150	6	394	83		178	119	305	317.5	39	12	150	6
200	8	483	92		220	143	305	393.7	45	12	200	8
250	10	585	108		261	178	305	482.6	51	12	250	10
300	12	675	124		290	219	305	571.5	54	16	300	12
350	14	750	133.5		305	241	305	635.0	60	16	350	14
400	16	825	146.5		319	260	311	704.8	67	16	400	16
450	18	915	162		334	276	327	774.7	73	16	450	18
500	20	995	178		353	292	356	831.8	79	16	500	20
600	24	1170	203.5		413	330	406	990.6	92	16	600	24

NOTES:

(1) Schedule of weld neck to be advised.

(2) LTB and bore size or schedule to be specified at time of order

BALCOMBE ENGINEERING P/L ...03 9554 0900..... www.baleng.com.au

ASME/ANSI B16.5 Class 1500