SI-3303 Vortex Steam Flow Meter

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The Vortex Steam Flow Meter is suitable for flow measurement of saturated and superheated steam. Integrated temperature and pressure compensation reduces procurement and installation costs, helping you efficiently obtain accurate mass flow, volume flow, temperature, and pressure parameters.

Sino-Inst’s vortex flowmeters offer stable performance, vibration resistance, and high-temperature resistance. They help you maximize the efficiency of monitoring and improving steam production and consumption.

SI-3303 Vortex Steam Flow Meter
DiameterDN15～DN300
Accuracy0.5% to 2.0% of reading
Temp. range-40～+420℃
Pressure1.6 MPa, 4.0MPa
Flow rate0.5～6m/s
Straight pipe requiredUp stream≥5DN, down stream≥3DN
RFQ

Features

The vortex sensor utilizes internationally advanced ADSP adaptive digital signal processing technology, implementing adaptive filtering, system identification, signal detection, and analysis.

This sensor offers the following advantages:

  • High-temperature resistance up to 420°C, with wafer resistance to high-temperature aging (suitable for thermoelectric applications, petrochemicals, chemicals, pharmaceuticals, etc.).
  • 1:40 range ratio (ultra-wide range achieves zero leakage) and ultra-low lower limit, achieving a minimum speed of 1.5 meters per second.
  • 1:20 range ratio for diameters up to DN32.
  • 1.0g vibration resistance (spectral waveform analysis).
  • Class 1.0 high accuracy.
  • The probe is packaged using a multi-crystal process, with combined positive and negative signal extraction for more stable signals.

Read more about: What Is Temperature Compensation and Pressure Compensation for Flow Meters?

Specifications

MediumSaturated steam, superheated steam, etc.
AccuracyPipe type: Class 1.0
Insertion type: Class 2.5
Medium temperature-40℃~+420℃
Nominal pressure≤1.6Mpa (offer ≤2.5Mpa and ≤4.0Mpa customization)
Flow rate5-60m/s
OutputVoltage pulse, 4-20mA output, HART, Modbus, RS485, RS232 options.
InstallationFlange, wafer flange, insertion, threat, clamp connection
Power12~28VDC
3.6V lithium battery (on site display)
85~265VAC (Remote display)
Operating conditionTemperature: -25℃~60℃
Humidity: 5%~90%
Housing material1Cr18Ni9Ti

Order Guide

In addition to regular products, we support customization

SI-3303-           Note
Nominal diameterDNXX          DN15~DN1800 (mm)
StructureF         Remote type with display
Y         Compact type with display
AccuracyA        Pipe type: Class 1.0
B        Insertion type: Class 2.5
Nominal pressure16       1.6Mpa
XX       Customization
MediumS      saturated steam
O      superheated steam
The temp. of mediumM     ＜250℃
H     ＞250℃
Other functionP    With pressure compensation
T    With temperature compensation
PT    With pressure and temperature compensation
Power supply1   12~28VDC
2   3.6V lithium battery (on site display)
3   85~265VAC (Remote display)
Output signalA  4-20mA
M  Voltage pulse
H  HART
R1  RS232
R2  RS485
Installation1 Flange
2 Clamp flange
3 Insertion
4 Thread
5 Clamp
Explosion proofANo explosion proof
BIntrinsic explosion proof
GFlame proof

Challenges of Steam Flow Measurement

Steam is divided into saturated steam and superheated steam. Measuring their flow rates presents the following challenges:

  • High Temperature and High Pressure: Steam temperatures can reach over 200°C and pressures can exceed 10 MPa, requiring flowmeters with high temperature and high pressure resistance.
  • Phase Change Effects: Saturated steam can easily condense into water due to temperature or pressure fluctuations, affecting measurement accuracy.
  • Large Flow Rate Variation: Steam flow fluctuates significantly due to load, requiring a flowmeter with a wide turndown ratio.
  • Pipeline Vibration: Steam flow can cause pipeline vibration, affecting the stability of some flowmeters.

Therefore, steam flowmeters must possess high temperature resistance, anti-interference properties, and high accuracy.

Read more about:

Steam Vortex Flow Meter In detail

Vortex Steam Flow Meters in Various Steam Applications

  • Thermal Power Generation: Vortex flowmeters are used to measure boiler steam outlet flow, ensuring power generation efficiency and safe operation.
  • Chemical Production: Vortex flowmeters are used to measure flow during steam heating, ensuring process stability and accuracy.
  • Pharmaceutical Industry: Vortex flowmeters are used to measure flow during steam sterilization to ensure sterilization effectiveness.
  • Food Processing: Vortex flowmeters are used to measure flow during steam heating to ensure food safety and quality.

Flow Control Methods with Steam Vortex Flowmeters

  1. Manual Adjustment

Manual flow control using a steam vortex flowmeter requires adjustment of the flowmeter itself. First, connect the flowmeter to a regulating valve, then adjust the valve opening to control the flow rate. The following points should be considered during adjustment:

Precision Adjustment: Gradually open or close the regulating valve to achieve the set flow rate.

Stability Adjustment: Slowly open or close the regulating valve to avoid flow fluctuations or excessive or insufficient flow.

  1. Automatic Control

Automatic control using the Sino-Inst steam vortex flowmeter can be achieved by connecting it to an electronic regulator or PLC system. By inputting a set flow rate into the controller, the controller automatically adjusts the valve opening based on the actual flow rate measured by the sensor to achieve the set flow rate. The following points should be considered during automatic control:

  1. Selecting a Suitable Controller: The controller should have good adaptability, controllability, and stability.
  2. Ensuring Sensor Accuracy: The sensor should have good stability and accuracy to accurately measure flow.

When using a Vortex Steam Flow Meter to control flow, please note the following points:

  • Installation Location: The flowmeter should be installed on a straight section of the fluid pipeline, avoiding bends or dead ends.
  • Fluid Properties: Ensure that fluid parameters such as temperature, pressure, and viscosity are known to ensure accurate measurements.
  • Maintenance: Regular cleaning and calibration are required to ensure accurate measurements.

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The Vortex Steam Flow Meter demonstrates exceptional performance in steam measurement. Its high accuracy, high reliability, low maintenance costs, and adaptability make it a valuable option for modern steam measurement technology.

Sino-Inst’s Vortex Steam Flow Meter will be used more extensively and extensively in steam measurement, providing more accurate and reliable flow measurement support for industrial production. If you require steam flow measurement, please feel free to contact our sales engineers!

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