Flange Clamp Compressed Air vortex shedding flow meter , vortex gas flow meter 4 - 20mA

Brand Name:KACISE
Certification:ISO / CE / Explosion-proof
Model Number:KVF Series
Minimum Order Quantity:1pc
Delivery Time:7 Working days
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
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Address: i City, No11, TangYan South road, Yanta District, Xi'an,Shaanxi,China.
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Product Details

Flange Clamp Compressed Air vortex shedding flow meter , vortex gas flow meter 4 - 20mA


Introduction

Karman vortex flowmeter, which is widely used in industry, is a kind of flowmeter made by using the phenomenon of Carmen vortex. When the vortex generator is vertically inserted into the fluid, Karman vortex street will be formed when the fluid bypades the generator. Under certain conditions, the asymmetric vortex train can remain stable. In this case, the frequency f of the vortex is directly proportional to v of the flow rate of the fluid, and inversely proportional to d of the front width of the vortex generator.

KVF flowmeter is a Karman vortex flowmeter using the principle of Carmen vortex flowmeter, can be used for air, oxygen, gas, natural gas, and other chemical gas measurement. The product adopted advanced differential technique, together with measurement of isolating, shielding and filtering, it had possesses better anti-vibration performance and signal stability.It is characterized by small pressure loss, large range, high precision, almost unaffected by fluid density, pressure, temperature, viscosity and other parameters when measuring volume flow in working conditions. No moving mechanical parts, so high reliability, small maintenance. Instrument parameters can be stable for a long time.


Features


1. Flange&body: integrally forged pieces, it will avoid break down into pieces.100% SS304 material,we can provide material report.

2. Circuit Board: Digital circuit board,anti most of the supplier use analog circuit board,digital circuit board enjoy the advantages of anti-vibration and anti-interference.

3. Flow converter: Distinctive modular design, amateurs can operate, disassemble and assemble easily, it will avoid accident risks.

4. Welding: adopt the advanced fish scale technology,which makes the welding seam looks nice and smooth.

5. Japan OVAL technology with embedded-type sensor, triangular prism will not fall off, we already apply for patent.

6. Our medium temperature sensor can measure highest temperature around 350℃,normal it is -40~250℃.


Parameters


Pipe DiameterDN15~DN1800
Meter Materials1Cr18Ni9Ti
Nominal pressure (Mpa)1.6Mpa; 2.5Mpa; 4.0Mpa
Measured medium temperature (℃)-40~+250℃; -40~+350℃
Environmental conditionsTemperature:-10~+55℃, humidity 5%~90%, pressure: 86~106Kpa
Accuracy classliquid: reading ±0.5
Measuring gas or steam:reading±1.0,±1.5
Turndown ratio1:10;1:15
Pressure loss coefficientCd<2.6
Output signal4-20mA or Pulse
Power supply

sensor: +12VDC, +24VDC

transmitter: +24VDC

On site display: 3.2V battery

Signal transmission linesSTVPV3×0.3(three-wire), 2×0.3(two- wire)
InstallationIntegrated clamping flange or flange connection
Transmission distance≤500m
Signal line interfaceMale threadM20×1.5
Explosion levelsExdIIBT6
Protection classIP65
Allow vibration acceleration1.0g

Model selection


KVFParameters
Nominal diameterDNXXDN15~DN1800 (mm)
StructureFRemote type with display
YCompact type with display
AccuracyAPipe type: Class 1.0
BInsertion type: Class 2.5
Nominal pressure161.6Mpa
XXCustomization
Max. temp. of mediumM<250℃
H>250℃
Other functionPWith pressure compensation
TWith temperature compensation
PTWith pressure and temperature compensation
Power112~28VDC
285~265VAC (Remote display)
33.6V lithium battery (on site display)
OutputA4-20mA
MVoltage pulse
HHART
R1RS232
R2RS485
Installation1Flange
2Clamp flange
3Insertion
4Thread
5Clamp
Explosion proofANo explosion proof
BIntrinsic explosion proof
GFlame proof
China Flange Clamp Compressed Air vortex shedding flow meter , vortex gas flow meter 4 - 20mA supplier

Flange Clamp Compressed Air vortex shedding flow meter , vortex gas flow meter 4 - 20mA

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