Pipe Spacing - Flange to Flange for ANSI Class 300 to 300

Pipe Spacing - Flange to Flange for ANSI Class 300 to 300 Pipe spacing is figured for 1 inch between flanges. Dimensions are from center of pipe to center of pipe.
Pipe Size (NPS)	1	1 1/2	2	2 1/2	3	3 1/2	4	6	8	10	12	14	16	18	20	22	24
1/2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
3/4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
1	5 7/8	6 1/2	6 3/4	7 1/4	7 5/8	8	8 1/2	9 3/4	11	12 1/4	13 3/4	15	16 1/4	17 1/2	18 3/4	-	21 1/2
1 1/4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
1 1/2	-	7 1/8	7 1/8	7 3/4	8 1/4	8 1/2	9 1/8	10 3/8	11 5/8	12 7/8	14 3/8	15 7/8	16 7/8	18	19 1/4	-	22
2	-	-	7 1/2	8	8 3/8	8 3/4	9 1/4	10 1/2	11 3/4	13	14 1/2	15 3/4	17	18 1/4	19 1/2	-	22 1/4
2 1/2	-	-	-	8 1/2	8 1/2	9 1/4	9 3/4	11	12 1/4	13 1/2	15	16 1/4	17 1/2	18 3/4	20	-	22 3/4
3	-	-	-	-	9 1/4	9 5/8	10 1/8	11 3/8	12 5/8	13 7/8	15 5/8	16 5/8	17 7/8	19 1/8	20 3/8	-	23 1/8
3 1/2	-	-	-	-	-	10	10 1/2	11 3/4	13	14 1/4	15 3/4	17	18 1/4	19 1/2	20 3/4	-	23 1/2
4	-	-	-	-	-	-	11	12 1/4	13 1/2	14 3/4	16 1/4	17 1/2	18 3/4	20	21 1/4	-	24
5	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
6	-	-	-	-	-	-	-	13 1/2	14 3/4	16	17 1/2	18 3/4	20	21 1/4	22 1/2	-	25 1/4
8	-	-	-	-	-	-	-	-	16	17 1/4	18 3/4	20	21 3/4	22 1/2	23 3/4	-	26 1/2
10	-	-	-	-	-	-	-	-	-	18 1/2	20	21 1/4	22 1/2	23 3/4	25	-	27 3/4
12	-	-	-	-	-	-	-	-	-	-	21 1/2	22 3/4	24	25 1/4	26 1/2	-	29 1/4
14	-	-	-	-	-	-	-	-	-	-	-	24	25 1/4	26 1/2	27 3/4	-	30 1/2
16	-	-	-	-	-	-	-	-	-	-	-	-	26 1/2	27 3/4	29	-	31 3/4
18	-	-	-	-	-	-	-	-	-	-	-	-	-	29	30 1/4	-	33
20	-	-	-	-	-	-	-	-	-	-	-	-	-	-	31 1/2	-	34 1/4
22	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
24	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	37

Flammable Limits

Water Flow Rate Through a Valve

Downspout and Gutter Drainage Systems

Matrix