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Insertion Type Vortex Street Meter
  (TYGC)series is suitable for oil,chemical industry,metallurgy,heating power,spinning,papermaking ,etc. Be use of control: over-heating vapor, saturation vapor, compressed air, ordinary air(oxygen, nitrogen, hydrogen, natural gas, coal gas ,etc),water an
Description

1. product introduction

  (TYGC)series is suitable for oil,chemical industry,metallurgy,heating power,spinning,papermaking ,etc. Be use of control: over-heating vapor,
saturation vapor, compressed air, ordinary air(oxygen, nitrogen, hydrogen, natural gas, coal gas ,etc),water and liquid (water, petrol , alcohol, benzene ,etc.)

2. characteristics

  2.1 This series Flowmeter can accurately measure within wide flow range of gas, liquid and steam flow rate but not influenced by fluid physical properties at the same time.

  2.2 It is not affected by temperature and pressure, have the advantages of not easy to block, not easy card. And resistance high temperature and high pressure, safe and explosion-proof. It is used to the bad environment.

  2.3 No moving parts and no hole aperture design. Long service life.

  2.4 Adopting micro power consumption of new and high technology, this batery with display type flowmeter can work more than two years with continuos electricity.

  2.5 Temperature compensation and integrated design

  2.6 Output current type of electrical isolation, Has the good common-mode interference suppression.

  2.7 it is Also showed flow values and cumulative flow value, and don't have to take turns to switch

  2.8 Using vibration probe, the effective elimination of the influence of external vibration.

3. The key technical indexes

inside nominal diameter (mm) 25,40,50,65,80,100,125,150,200,250,300,(300~1000 plug-in)
nominal pressure (MPa) DN25-DN200 4.0(>4.0 order by agreement),DN250-DN300 1.6(>1.6 order by agreement)
medium temperature (℃) piezoelectric type:-40~260,-40~320;capacitance:-40~300, -40~400,-40~450(order by agreement)
noumenon 1Cr18Ni9Ti,(order by agreement if need other material)
vibrating acceleration piezoelectric type:0.2g     capacitance:1.0~2.0g
range ±1%R,±1.5%R,±1FS;plug-in:±2.5%R,±2.5%FS
Range degree 1:6~1:30
service voltage sensor:+12V DC,+24V DC;transmitter:+12V DC ,+24V DC;battery supply feed:3.6V battery
output signal square wave pulse (non- battery supply feed):high level≥5V,low level≤1V;current:4~20mA
loss coefficient JB/T9249 Cd≤2.4
anti-explosion sign Ben-an type:ExdⅡia CT2-T5 anti-explosion type:ExdⅡCT2-T5     
Protection grade ordinary type IP65     dive type IP68
environment condition Tem-20℃~55℃,relative humidity 5%~90%,atm press 86~106kPa
medium gas、liquid、vapor
transmission range three-wire system flow sensor:≤300m,electric sign of two-wire system transmitter(4~20mA):load resistance≤750Ω

4. Design & installation for meter and ensuring caliber

  4.1.When tested gas is vapor,often use quality flow as unit of measurement quality flow,as:t/h or Kg/h. because of vapor(overheating & saturated),density would be changed under different temp & press,so to ensure the flow range, see (8)

  formula(8)

  TIPS:ρ:density of vapor(kg/m3); ρ0:1.205kg/m3 ;Q::quality flow of vapor(t/h)

  4.2.For pressure loss, check the effect of pressure loss to craft pipeline,(Unit:Pa):

  Δp= CdρV2/2 formula(9)

  Tips:

  Ρ: density of medium under working condition(kg/m3)V: mean flow rate(m/s)

  4.3.If tested medium is liquid, to avoid 为gasification and loss, shall make the press of pipeline as follow:

  p≥2.7Δp+1.3p0 formula(10)

  Tips:

  Δp: pressure loss(Pa)

  p0:saturated vapor pressure of liquid which under working temperature.(Pa absolute pressure)

  Po: fluidic vapor pressure (Pa absolute pressure)

  4.4.vortex street flow meter is not suitable for testing high viscosity liquid. if counted measurable lower limit flow is not suitable for designing, pls select and use other meter type..

  4.5. If as the counted parameter, the two or more kinds of meter can be used, then use less caliber, cheaper.

  Tips: as far as possible tested range during upper limit of about 1/2~2/3.

5. Model selection table of vortex street flow meter(JB/T9294-1999 standard)

   1.Model selection table of sensor
   Model selection for TYGC series vortex street meter 

Model chart Describing
TY vortex street meter
G sensor
TEST WAY C piezoelectric transducer
E Capacitance sensor
Joint way 1 full package type flanged joint type
2 full package type flanged installing type
3 plug-in type simple plug-in
4 plug-in type ball valve plug-in
Test medium 2 liquid
3 gas
4 vapor
inside nominal diameter 02

30
 
 
 
DN25
unit:mm
DN300
service environment P ordinary type
B explosion proof type
output signal 1 output pulse
2 4~20mA current output,liquid-crystal display
3 RS-485 communication
4 battery supply feed, without Temp、get pressure
5 Tem-pre system,4~20mA current output type
6 Tem-pre system,battery supply feed type
model selection TYGC2405-P2 full package type capacitance vortex street meter,flanged installing type joint,medium is vapor drift diameter of meter is DN50, ordinary 4~20mA current signal output
 
   2. Table of comparisons sensor drift diameter
inside nominal diameter  DN
mm
25 32 40 50 65 80 100 125 150 200 250
Sign NO. 02 03 04 05 06 08 10 12 15 20 25
inside nominal diameter  DN
mm
300 350 400 450 500 600 700 800 1000 1200 1500
Sign NO. 30 35 40 45 50 60 70 80 A0 A2 A5
 Target Flowmeter/Functional Unified Fixed Ultrasonic Flowmeter/Handheld Ultrasonic Flowmeter/ Ultrasonic Flow Module/Portable Ultrasonic Flowmeter/Separate Fixed Ultrasonic Flowmeter/Insertion type Electromagnetic Flowmeter/ Battery powered Electromagnetic Flowmeter/ Remote Type electromagnetic Flowmeter/ TYLD Flanged Electromagnetic Flowmeter/Clamped Electromagnetic Flowmeter/ Metal Tube Float Flowmeter/ Verabar of the Flowmeter/ Insertion Vortex Street Meter/ Integrated Vortex Flowmeter with Temperature & Pressure Compensation/ Intelligent Vortex Flowmeter/ Gas Turbine Flowmeter/ Liquid Turbine Flowmeter/Thermal Gas Mass Flowmeter/ Coriolis Mass Flowmeter/LFX rotor steam Flowmeter/ LUXB liquid precession vortex Flowmeter/ Cross section Flowmeter/ FP-64B balanced dual-chamber container/ LG series throttling device/Integral differential pressure flowmeter/LC Oval gear flowmeter/V Cone Flowmeter/LGBA Annubar Flowmeter/ LGBD Delta Flowmeter/3151 on-line densimeter
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