˙SAN material ball indicator
˙The flow rate of the liquid is 50ml/min in the horizontal state and 140ml/min in the vertical state
˙The gas flow rate is 3L/min in the horizontal state and 8L/min in the vertical state
˙The speed of the red ball is proportional to the flow velocity
˙The highest temperature resistance is 50°C, not suitable for corrosive liquid objects