Bulkhead Union – BU

Bulkhead Union - BU

Bulkhead Union - BU - Image 2

Bulkhead Union – BU

Categories: TUBE FITTINGS, TUBE TO TUBE UNIONS

Description

IMPERIAL UNION

TUBE OD	PART NUMBER	A		C1		C2		D		L		W	B'HEAD HOLE DRILL SIZE		MAX B'HEAD THICKNESS		BORE
		inch	mm	inch	mm	inch	mm	inch	mm	inch	mm	inch	inch	mm	inch	mm	inch	mm
1/16"	1BU1	1.22	31	0.43	10.9	0.67	17	0.94	23.9	0.53	13.5	5/16	13/16	5.2	0.12	3.1	0.05	1.3
1/8"	2BU2	2	50.8	0.6	15.2	1.22	31	1.5	38.1	0.97	24.6	1/2	21/64	8.3	0.5	12.7	0.09	2.3
3/16"	3BU3	2.09	53.1	0.63	16	1.25	31.8	1.59	40.4	1	25.4	9/16	25/64	9.9	0.5	12.7	0.13	3.3
1/4"	4BU4	2.28	57.9	0.7	17.8	1.33	33.8	1.69	42.3	1.03	26.2	5/8	29/64	11.5	0.4	10.2	0.19	4.8
5/16"	5BU5	2.4	61	0.73	18.6	1.41	35.8	1.81	46	1.12	28.5	11/16	33/64	13.1	0.44	11.2	0.25	6.4
3/8"	6BU6	2.47	62.7	0.76	19.3	1.45	36.8	1.88	47.8	1.16	29.5	3/4	37/64	14.7	0.44	11.2	0.28	7.1
1/2"	8BU8	2.77	70.4	0.86	21.8	1.63	41.4	2	50.8	1.25	31.8	15/16	49/64	19.4	0.5	12.7	0.41	10.4
5/8"	10BU10	2.83	71.9	0.86	21.8	1.66	42.2	2.06	53.3	1.28	32.5	1.1/16	57/64	22.6	0.5	12.7	0.5	12.7
3/4"	12BU12	3.08	78.2	0.86	21.8	1.85	47	2.31	58.7	1.47	37.3	1.3/16	1.1/64	25.8	0.66	16.8	0.63	16
7/8"	14BU14	3.3	83.8	0.86	21.8	2.07	52.6	2.53	64.3	1.69	42.9	1.3/8	1.9/64	29	0.75	19.1	0.75	19.1
1"	16BU16	3.75	95.3	1.04	26.4	2.25	57.2	2.81	71.4	1.78	45.2	1.5/8	1.21/64	33.7	0.75	19.1	0.88	22.4

METRIC TUBING

TUBE OD	PART NUMBER	A	C1	C2	D	L	W	B'HEAD HOLE DRILL SIZE	MAX B'HEAD THICKNESS	BORE
		mm	mm	mm	mm	mm	inch	mm	mm	mm
3 mm	3MBU	51.3	15.3	31.2	38.2	24.6	1/2	8.3	12.7	2.4
4 mm	4MBU	53.7	16.1	32	40.5	25.4	9/16	9.9	12.7	3
6 mm	6MBU	57.9	17.7	33.7	42.9	26.2	5/8	11.5	10.2	4.8
8 mm	8MBU	61	18.6	36	46	28.5	11/16	13.1	11.2	6.4
10 mm	10MBU	63.6	19.5	37	48.4	29.4	13/16	16.3	11.2	7.9
12 mm	12MBU	71	22	41.9	50.8	31.8	15/16	19.5	12.7	9.5
16 mm	16MBU	72.6	22	42.6	52.4	32.5	1.1/16	22.5	12.7	12.7
18 mm	18MBU	78.9	22	47.4	58.7	37.3	1.3/16	26	16.8	15.1