Xi'an Kacise Optronics Co.,Ltd.
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Factory Export Air Flow Meter Steam Vortex Flow Meter Compressed Air Flowmeter Flange Clamp Vortex Flow Meter
Introduction
Vortex flowmeter is based on the principle of Karman vortex research and production, mainly for industrial pipe flow measurement fluid medium, such as a gas, liquid, steam and other media. It features a small pressure loss, large measuring range, high accuracy in the measurement of actual volume flow is hardly affected by fluid density, pressure, temperature, viscosity and other parameters. No moving mechanical parts, so high reliability and low maintenance. Instrument parameters can be long-term stability. Vortex flowmeter piezoelectric stress sensors, high reliability, can work within the operating temperature range of -20 ℃ ~ + 250 ℃ for. Standard analog signals, digital pulse signal output, easily with computers and other digital systems supporting the use of a more advanced and ideal measuring instruments.
Features
1. Detecting element does not touch with flow medium, with high reliability and strong flexibility for medium
2. No moving parts, wear resistance, structure is simple and fastness
3. Assemble with anti-interference circuit and anti-vibration sensors, which could ensure anti-vibration performance of the product.
4. The allowed working temperature is wide from -40℃ to +350℃
5. Wide range, High accuracy
6. Pulse signal output or two-wire system 4-20mA current signal output
Parameters
| Pipe Diameter | DN15~DN1800 |
| Meter Materials | 1Cr18Ni9Ti |
| Nominal pressure (Mpa) | 1.6Mpa; 2.5Mpa; 4.0Mpa |
| Measured medium temperature (℃) | -40~+250℃; -40~+350℃ |
| Environmental conditions | Temperature:-10~+55℃, humidity 5%~90%, pressure: 86~106Kpa |
| Accuracy class | liquid: reading ±0.5 |
| Measuring gas or steam: | reading±1.0,±1.5 |
| Turndown ratio | 1:10;1:15 |
| Pressure loss coefficient | Cd<2.6 |
| Output signal | 4-20mA or Pulse |
| Power supply | sensor: +12VDC, +24VDC transmitter: +24VDC On site display: 3.2V battery |
| Signal transmission lines | STVPV3×0.3(three-wire), 2×0.3(two- wire) |
| Installation | Integrated clamping flange or flange connection |
| Transmission distance | ≤500m |
| Signal line interface | Male threadM20×1.5 |
| Explosion levels | ExdIIBT6 |
| Protection class | IP65 |
| Allow vibration acceleration | 1.0g |
Model selection
| KVF | Parameters | ||||||||||
| Nominal diameter | DNXX | DN15~DN1800 (mm) | |||||||||
| Structure | F | Remote type with display | |||||||||
| Y | Compact type with display | ||||||||||
| Accuracy | A | Pipe type: Class 1.0 | |||||||||
| B | Insertion type: Class 2.5 | ||||||||||
| Nominal pressure | 16 | 1.6Mpa | |||||||||
| XX | Customization | ||||||||||
| Max. temp. of medium | M | <250℃ | |||||||||
| H | >250℃ | ||||||||||
| Other function | P | With pressure compensation | |||||||||
| T | With temperature compensation | ||||||||||
| PT | With pressure and temperature compensation | ||||||||||
| Power | 1 | 12~28VDC | |||||||||
| 2 | 85~265VAC (Remote display) | ||||||||||
| 3 | 3.6V lithium battery (on site display) | ||||||||||
| Output | A | 4-20mA | |||||||||
| M | Voltage pulse | ||||||||||
| H | HART | ||||||||||
| R1 | RS232 | ||||||||||
| R2 | RS485 | ||||||||||
| Installation | 1 | Flange | |||||||||
| 2 | Clamp flange | ||||||||||
| 3 | Insertion | ||||||||||
| 4 | Thread | ||||||||||
| 5 | Clamp | ||||||||||
| Explosion proof | A | No explosion proof | |||||||||
| B | Intrinsic explosion proof | ||||||||||
| G | Flame proof | ||||||||||
Application