|
■配管の呼び径
呼び径 |
外径 |
JIS |
ANSI |
B |
A |
mm |
mm |
1/8 |
6 |
10.5 |
10.3 |
1/4 |
8 |
13.8 |
13.7 |
3/8 |
10 |
17.3 |
17.1 |
1/2 |
15 |
21.7 |
21.3 |
3/4 |
20 |
27.2 |
26.7 |
1" |
25 |
34.0 |
33.4 |
1"1/4 |
32 |
42.7 |
42.2 |
1"1/2 |
40 |
48.6 |
48.3 |
2" |
50 |
60.5 |
60.3 |
2"1/2 |
65 |
76.3 |
73.0 |
3" |
80 |
89.1 |
88.9 |
3"1/2 |
90 |
101.6 |
101.6 |
4" |
100 |
114.3 |
114.3 |
5" |
125 |
139.8 |
141.3 |
6" |
150 |
165.2 |
168.2 |
8" |
200 |
216.3 |
219.1 |
10" |
250 |
267.4 |
273.1 |
12" |
300 |
318.5 |
323.9 |
14" |
350 |
355.6 |
355.6 |
16" |
400 |
406.4 |
406.4 |
18" |
450 |
457.2 |
457.2 |
20" |
500 |
508.0 |
508.0 |
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