The permissible value of the noise in the shop to be less than 100 dB (A), ... The photo on the right shows a vertical pump with an air ejector, used in.Sep 16, 2017 · Motor speed = 1440 rpm. Carrying idler pitch, Pc = 1.5m Approximate return idler pitch = 2xPc Assume pulley diameter as 125 times no of ply. Std pulley diameters 315, 400, 500, 630, 800 mm Std motor rating: 5, 5.5, 7.5, 10, 11, 12.5, 15, 20kw Std belt width. B(mm) 400 500 650 800 1000 mb(kg/m) 5 6.5 9 12 16 Determine 1. Std belt width. 2.
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