DN | Hose Size | Mean Reinfor- cement Diameter | Mean Outer Cover Diameter | Maximum Working Pressure | Minimum Burst Pressure | Minimum Bend Radius | |||||
Dash No. | INCH | MM | MM | MM | PSI | BAR | PSI | BAR | INCH | MM | |
5 | -3 | 3/16 | 4.8 | 10.6 | 12.7 | 3625 | 250 | 14500 | 1000 | 3.7 | 95 |
6 | -4 | 1/4 | 6.4 | 11.2 | 13.5 | 3265 | 225 | 13060 | 900 | 4.0 | 102 |
8 | -5 | 5/16 | 7.9 | 12.7 | 15.0 | 3120 | 215 | 12480 | 860 | 4.5 | 114 |
10 | -6 | 3/8 | 9.5 | 15.1 | 17.4 | 2610 | 180 | 10440 | 720 | 5.0 | 127 |
12 | -8 | 1/2 | 12.7 | 18.2 | 20.6 | 2320 | 160 | 9280 | 640 | 7.0 | 178 |
16 | -10 | 5/8 | 15.9 | 21.2 | 24.0 | 1890 | 130 | 7560 | 520 | 8.0 | 203 |
20 | -12 | 3/4 | 19.0 | 25.4 | 28.4 | 1525 | 105 | 6100 | 420 | 9.5 | 241 |
25 | -16 | 1 | 25.4 | 33.3 | 36.6 | 1275 | 88 | 5100 | 352 | 12.0 | 305 |
32 | -20 | 1.1/4 | 31.8 | 40.0 | 43.0 | 915 | 63 | 3660 | 252 | 16.5 | 419 |
38 | -24 | 1.1/2 | 38.1 | 46.4 | 50.4 | 725 | 50 | 2900 | 200 | 20.0 | 508 |
51 | -32 | 2 | 50.8 | 59.5 | 63.5 | 580 | 40 | 2320 | 160 | 25.0 | 635 |