Nominal Pipe Size (NPS)	Outside Diameter	End To End "B"
1/8	0.405	2.00
1/4	0.540	2.00
3/8	0.675	2.25
1/2	0.840	2.50
3/4	l.050	2.75
1	1.315	3.00
1 1/4	1.660	3.25
1 1/2	1.900	3.50
2	2.375	4.00
2 1/2	2.875	5.00
3	3.500	6.00
3 1/2	4.000	6.50
4	4.500	7.00
5	5.563	8.50
6	6.625	10.00
8	8.625	11.00
10	10.750	13.00
12	12.750	14.00

Nominal Pipe Size (NPS)	Outside Diameter (mm)	End To End "B" (mm)
1/8	10.3	34
1/4	13.7	34
3/8	17.1	57
1/2	21.3	64
3/4	26.7	70
1	33.4	76
1 1/4	42.2	83
1 1/2	48.3	89
2	60.3	102
2 1/2	73.0	127
3	88.9	152
3 1/2	101.6	165
4	114.3	178
5	141.3	216
6	168.3	254
8	219.1	279
10	273.0	330
12	328.8	356