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Speed conversion table
Diameter circumferential speed (m/minute) 15 20 25 30 35 40 45 Inch Mm rmp 1" 25 11500 15300 19100 23000 26750 30550 34370 2" 50 5730 7650 9550 11450 13400 15275 17185 3" 75 3825 5100 6380 7650 9000 10185 11455 4" 100 2865 3825 4775 5730 6700 7640 8600 5" 125 2300 3050 3800 4600 5300 6100 6875 6" 150 1900 2550 3200 3800 4450 5100 5730 7" 175 1635 2200 2730 3270 3800 4365 4910 8" 200 1440 1910 2390 2875 3350 3820 4300 9" 225 1275 1700 2100 2550 2975 3395 3820 10" 250 1150 1525 1900 2300 2675 3055 3440 12" 300 950 1275 1590 1900 2230 2550 2865 14" 350 820 1090 1370 1640 1900 2180 2450 16" 400 725 900 1200 1450 1675 1910 2150
