birotor flow meter

1.Summary:
 Birotor flow meter (short as flow  meter hereinafter) is a type of precision instrument for  measuring and controlling the flow of liquid in pipelines. Flow  meter can be made of various materials; it is widely used  in the measurement of industrial liquids for industries  including petroleum, refined oil, alcohols, light hydrocarbon  etc. It is domestically the latest generation of volume flow  meter by now.
 This type of flow meter is designed  with local indicator,direct code word reading. Local indicator counter can be  reset to zero and can output electric impulse signals for  processing by display instruments and  computers, thus to realize centralized remote control of flow  management.
 

2.Features:
 A. High measuring accuracy, wide  flow range, good repeatability.
 B. Uniform speed of helical rotor  rotation, low noise of flow meter, small vibration, and  long service life.
 C. Not sensitive to change of  viscosity, especially suitable for measuring liquid of  relatively high viscosity.
 D. Simple structure, small outer  dimensions, and light weight.
 E. Easy installation, no straight  tube sections are needed in front of and behind the  flow meter.
 3.Principle  of Operation:
 This flow meter belongs to volume  type version, its measuring chamber is the enclosed cavity (see the  shadowed  parts in the illustration) formed with the tooth socket of the helical rotor  (measuring component) and the inner wall of the  flow chamber. A volume of 8 times of the cavity can be output for  each  revolution of the rotor; therefore, revolutions of the helical rotor are in  direct proportion to the accumulated flow of the fluid.
4.Technical Parameter: