What is a float flowmeter

float
Float flowmeter, also known as rotor flowmeter, metal rotor flowmeter, or Chengfeng glass rotor flowmeter, is a type of variable area flowmeter. In a vertical conical tube that expands from bottom to top, the gravity of a circular cross-section float is borne by liquid dynamics, allowing the float to freely rise and fall inside the conical tube.
Float flow meters are the most widely used type of flow meters, second only to differential pressure flow meters, and play a crucial role in small and micro flow rates.
In the mid-1980s, Japan, Western Europe, and the United States accounted for 15% to 20% of the sales revenue of flow meters. The estimated production in China in 1990 was 120000 to 140000 units, of which over 95% were glass cone tube float flow meters.
Features:
(1) The glass cone tube float flowmeter has a simple structure and is convenient to use. However, its disadvantage is low pressure resistance, which poses a greater risk of glass tube breakage;
(2) Suitable for small pipe diameters and low flow rates;
(3) Low pressure loss.