Rexnord-Stephan S4 Catalogue

04-2007 3P0200-XX7. Technical AppendixIf the noise level must be guaranteed, 3 dBA must be added at the top tolerance limit. See also the attachedexamples.The listed values refer only to the gear units and are intended for an initial orientation. Lower values are partiallypossible for the noise level. Please contact us.Sound pressure under standardized conditions:Table 1 shows values and tolerances for sound pressure Lp' in dBA at a distance of 1 meter from the gear unit(Input speed n1 = 1500 1/min gear ratio i = 11.2). The reference power is dependent upon the service factor SF.Table 1:Gear for SF = 2: Consumed power in kWunit size for SF > 2: Half the catalog power data, ½ P in kW1 kW 2 kW 5 kW 10 kW 20 kW 50 kW 75 kW 100 kW1...4 58 +/- 1 62 +/- 1 66 +/- 1.5 69.5 +/- 1.5 73 +/- 25...7 57 +/- 1 61 +/- 1 65 +/- 1.5 68.5 +/- 1.5 72 +/- 2 77 +/- 2 79 +/- 38...9 56 +/- 1 60 +/- 1 64 +/- 1.5 68.5 +/- 1.5 71 +/- 2 76 +/- 2 78 +/- 3 80 +/- 3Correcting factor for non-standard conditions:Table 2: Correcting factor K 1 in dBA for distance from gear unit7GearDistance from gear unit [m]unit size 1 m 3 m 5 m 10 m 30 m 50 m1...4 0 -6 -10 -16 -26 -305...7 0 -5 -9 -15 -25 -298...9 0 -4 -8 -14 -24 -28Table 3: Correcting factor K 2 in dBA for input speed n1Gear unit size Input speed n 1 [1/min]500 RPM 750 RPM 1000 RPM 1500 RPM 1800 RPM 2400 RPM 3000 RPM1...9 -7 -5 -3 0 +1.5 +5 +8Table 4:Correcting factor K 3 in dBA for gear ratioGear unit size Gear unit ratio i2.8...10 >= 11.21...9 +2 0T45