SIZE φD
15A 46.0 53.6
1.5S 66.0  80.0 
2.0S 80.0  97.0 
2.5S 96.0  109.0 
3.0S 107.0  123.0 
4.0S 135.0  151.0
 
呼び径 8A 10A 15A 1.0S 1.25S 1.5S 2.0S 2.5S 3.0S 3.5S 4.0S
外径 13.8 17.3 21.7 25.4 31.8 38.1 50.8 63.5 76.3 89.1 101.6
肉 厚 1.65 1.65 2.1/(※1.65) 1.2 1.2 1.2 1.5 2.0 2.0 2.0 2.0