The liquid turbine flowmeter is a kind of velocity flowmeter designed according to the torque balance principle. Widely used in petroleum, chemical industry, metallurgy, scientific research and other fields of measurement, control system. Liquid turbine flowmeters with sanitary fittings can be used in the pharmaceutical industry.

Vortex flowmeter is based on the principle of Carmen vortex research and design, mainly used to measure gas, steam or liquid a velocity flowmeter. Widely used in heating, gas supply, chemical industry, environmental protection, metallurgy, textile, steel, medicine, paper, drainage and other factories and mining enterprises to superheated steam, saturated steam, compressed air and general gases (oxygen, nitrogen, hydrogen, natural gas, gas, etc.), water and liquid (such as: gasoline, alcohol, benzene, etc.) measurement and control.