Main Catalogue - VUOTOTECNICA - #29

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28 PRESSURE AND CAPACITY UNITS CONVERSION FACTORS CAPACITY UNIT CONVERSION FACTORS = m3h = m3/min = l/h = l/min = cfm m3/h x 1 0.016 103 16.6 0.588 m3/min. x 60 1 6 x 104 103 3.53 x 10 l/h x 10-3 1.66 x 10-5 1 0.016 5.88 x 10-4 l/min x 60 x 10-3 10-3 60 1 3.53 x 10-2 c f m x 1.699 2.83 x 10-2 1699.0 28.314 1 PRESSURE UNIT CONVERSION FACTORS (ABSOLUTE VALUES) = mbar = bar (g) = torr = inch. Hg = psi = atm = Kg/cm2 = mm H2O = m H2O = Pa (Ibf/in2) (at) (N/m2) mbar x 1 10-3 0.75 2.95x 10-2 14.5 x 10-3 9.87 x 10-4 1.02 x 10-3 10.2 1.02 x 10-2 100.0 bar (g) x 1000.0 1 750.0 29.53 14.6 0.987 1.02 10197.0 10.19 100000 torr x 1.33 1.33 x 10-3 1 3.94 x 10-2 1.93 x 10-2 1.316 x 10-3 1.359 x 10-3 13.59 1.359 x 10-3 133.32 inch. Hg x 33.9 33.9 x 10-3 25.4 1 0.491 3.34 x 10-2 3.45 x 10-2 345.0 0.345 3386.0 psi (lbf/in2) x 68.9 6.89 x 10-2 51.7 2.04 1 6.8 x 10-2 7.03 x 10-2 703 0.703 6897 atm x 1013.25 1.013 760.0 30.0 14.696 1 1.033 10332 10.332 101325.0 Kg/cm2 (at) x 981 0.981 735.6 28.96 14.2 0.968 1 10000 10 98067.0 mm H2O x 9.81 x 10-2 9.81 x 10-5 7.35 x 10-2 2.89 x 10-3 1.42 x 10-3 9.67 x 10-5 10-4 1 10-3 9.8067 m H2O x 98.067 9.81 x 10-2 73.5 2.89 1.42 9.67 x 10-2 10 10000 1 9806.7 Pa (N/m2) x 0.01 10-5 7.5 x 10-3 2.95 x 10-4 1.45 x 10-4 9.87 x 10-6 1.02 x 10-5 0.102 1.02 x 10-4 1 Example: To convert 10 mbar in Torr = 10 x 0.75 = 7.5 Torr