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Waist wheel flow meter

    Low aviation gasoline
    Transformer oil is low.
    Low ethanol
    Low oil
    　　For continuous or intermittent measurement of liquid flow in pipeline of high precision instruments.
    　　High precision, suitable for high viscosity liquid precise measurement.
    　　Rely on the head of measured medium measure, promote the elliptical gear rotates and has nothing to do with the medium flow state.
    　　No straight pipe installation requirements, both the horizontal or vertical.
    　　The viscosity of the measured medium range and flow range is very broad.
    　　Instrument dial pointer and word round figures show more intuitive, accurate without training.

TBYY waist wheel flow meter is used for the pipe for continuous or intermittent liquid flow measurement of high precision measuring instruments.Its principle is that when liquid flows through measuring room being measured, the import and export form differential pressure flowmeter, waist wheel driven pressure differential rotation here, at the same time through a pair of drive gear on the waist wheel to keep two waist wheel rotating in a row, with waist wheel rotation, the liquid through a measuring room constant discharge flow meter, the amount of fluid flow through each pair is four times the size of chamber volume meter quantity, through sealed coupling, retarding mechanism, transfer after the number of revolution to slow down to the counter, counter instructed liquid instantaneous flow and cumulative flow.It has a wide range, simple structure, small pressure loss, viscosity, strong adaptability, can measure the high temperature, high viscosity liquid, calibration is convenient, easy to install and flow field has no special requirements for import and export of the pipe, and many other advantages, is representative of the volumetric flowmeter products.And therefore is widely used in petroleum, chemical, pharmaceutical, defence, food and other industrial and commercial sector oil fuel flow detection.
Technical parameters:
Ball bearing

  Version

Shell, front cover, back cover

  Cover plate

Waist wheel rotor

  shaft

  Shaft sleeve

Nominal pressure(mpa)

TBYY-A

     Cast iron

  Cast iron

 Aluminum alloy

Stainless steel

Ball bearing

0.6、1.0、1.6

TBYY-B

     Cast steel

  Cast iron

 Aluminum alloy

Stainless steel

2.5、4.0

TBYY-C

     Cast iron

  Cast iron/

Stainless steel

 Aluminum alloy

Stainless steel

Ball bearing

0.6、1.0、1.6

Note

TBYY-A Cast iron waist wheel flowmeter is widely used in various oil and not corrosive medium measurement with cast iron

TBYY-B Cast steel waist wheel flow meter is used for the measurement of high pressure, low corrosive medium

TBYY-C Cast aluminum light waist wheel flowmeter is suitable for low viscosity, low pressure, low corrosion medium (water) measurement

Flow range：

Nominal diameter

 （mm）

    The liquid viscosity

  3.0~150mpa.s

    The liquid viscosity

   0.6~3.0mpa.s

   The liquid viscosity

  3.0~150mpa.s

   The liquid viscosity

   0.6~3.0mpa.s

   15

    0.25~2.5

     0.5~2.5

     0.5~2.5

    0.83~2.5

   20

    0.25~2.5

     0.5~2.5

     0.5~2.5

    0.83~2.5

   25

     0.6~6

      1.2~6

      1.2~6

      2~6

   40

     1.6~16

      3.2~16

      3.2~16

     5.3~16

   50

     2.5~25

       5~25

      5~25

     8.3~25

   80

      6~60

      12~60

      12~60

     20~60

   80II

     12~100

      22~100

      20~100

    33.3~100

   100

     10~100

      20~100

      20~100

    33.3~100

   150

     40~200

      40~200

     100~200

    66.7~200

Precision grade

               0.5

                0.2

Working temperature

（-20~+60C°），Special requirements, design of high temperature heat tube can reach （60C°~200C°）

Flow range

     m3/h

Signal output

4 ~ 20 ma current, pulse output

Selection of coding：TBYY - Calibre - output - material - flow range - pressure - zero

Meter diameter

                         DN15 ~ DN150

Signal output

I2 ： 12 VPhotoelectric transmitter      

I3 ： 24VPhotoelectric transmitter 

I4：4~20mAOutput current

Instrument material

      A、Cast iron

        B、Cast steel

     C、 Aluminum alloy

Flow range

Check the flow range table (pictured above)

Classes.

     0.6           

     1.0

     1.6

     2.5

    4.0

Back to zero function

Z：Back to zero function

Code example: TBYY - 100 - i2 - A - 1-1.6 - Z
Explanation: the waist wheel flowmeter, caliber DN100, 4 ~ 20 ma output current, cast iron material, flow range is 20 to 100 m3 / h, pressure is 1.6 mpa, back to zero.
Note: 1, flow range code corresponding to the different size of the above viscosity flow range.


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