A flow detector in ball: dimensions mm 102 x 14 x 57 h, free OD mm 6.5 to 10

For liquid flow from 50 ml/min. in horizontal position, and 140 ml/min. in vertical position. Minimum air flow 3 litres/min. horizontal and 8 litres/min. vertical. Speed of rotation of ball proportional to flow. Not to be used with corrosive fluids or over +50°C.