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计量单位换算(英文版) | |
■长度单位: 1 in = 25.4 mm 1 ft = 0.3048 m 1 mile = 1609.3 m 1 micron =10-6 m ■质量单位: 1lb = 453.6 1 cwt = 50.8 Kg 1 tonimp = 1016 Kg 1topup = 907.2 Kg 1 tonne = 1000 Kg ■力矩单位: 1 inlb = 0.113Nm 1 ftlb = 1.356Nm 1 kgm = 9.807 Nm 1 ft poundal = 0.0421 Nm ■温度单位: oF- 32 × 5/9 = ℃ K-273.15 = ℃ ■功及能量单位: 1 lbft = 1.356 J 1 Nm = 1 J 1 kgm = 9.807 J 1 kW/hr = 3.6 MJ ■面积单位: 1 in2 = 6.45 cm2 1 ft2 = 0.093 m2 ■压力单位: 1 psi = 6.89 kPa 1 kgf/cm2 = 98.07 kPa 1 bar = 100 kPa 1 bar = 14.5 psi 1 atmosphere = 98.1 kPa 1"STANDARD = 101.33 kPa 1 cm water = 97.89Pa 1 in water = 248.64 Pa 1 mm mercury = 133.3 Pa 1 in mercury = 3.39 kPa 1 Torr = 133.3 Pa 1 ft water = 0.0298 bar 1 bar = 33.33 ft water ■体积单位: 1litre = 0.001 m3 1 cu.ft. = 0.0283 m3 1 cu.in.= 16.39 cm3 1 galimp = 4.546 L 1 galus = 3.79 L 1 fluid oz.imp = 28.41 mL 1 fluid oz.us = 29.57 mL ■力单位: 1lbf = 4.45N 1kgf = 9.81N 1kpkilopond = 9.81N 1poundal = 138.3mN 1ton force =9.964kM ■功率单位功/时间): 1 lbft/sec = 1.356 W 1 kgm/sec = 9.807 W 1Nm/sec = 1 W 1 Nm/sec = 1 W 1 Joule/sec = 1 W 1 H.P.imp = 745.7 W ■流量单位: Cv值:水流量US gal/min于60oF下,流经差压为1psi之阀门而所得出之流量定值。(CvX1000=l/min kv值:水流量 L/ min于20oF下,流经差压为1kgf/cm2之阀门而所得出之流量定值。 KV值: 水流量 m3/ min于20oF下,流经差压为1kgf/cm2之阀门而所得出之流量定值。 S值:气动元件有效截面积(mm2 ■流量系数之间的转换: CV = 1.17 KV S = 18.45 CV S.T.P = 标准温度及压力 (0℃及101.3 kPa压力) N.T.P = 正常温度及压力 (20℃及101.3 kPa压力) M.S.C = 公制标准情况 (15℃及101.3 kPa压力) ANR = 温度 :20℃及相对湿度:65% ■等值换算: 1 psi = 6.895 kPa =0.07 kg/cm2 = 0.06895 bar = 0.0703 atm 1 standard atmosphere = 14.7 psi = 101.3 kPa = 1.01325 bar 1 kg/cm2 = 98.07 kPa = 14.22 psi = 28.96 ins mercury 1 ft lb = 0.13826 kgm = 1.356 Nm 1 L = 1000 cm3 = 1.7598 pint = 106 mm3 1 tonne = 1000 kg = 0.984 ton = 2205 lb 1 m3 = 106 cm3 1 cu ft/min = 0.0283 m3/min = 28.3 l/min 1 Pa = 1 N/m2 |
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