Vortex flow meter YFVW300D
volumefor gasfor steam

Vortex flow meter - YFVW300D - Xi'an Yunyi Instrument Co., Ltd. - volume / for gas / for steam
Vortex flow meter - YFVW300D - Xi'an Yunyi Instrument Co., Ltd. - volume / for gas / for steam
Vortex flow meter - YFVW300D - Xi'an Yunyi Instrument Co., Ltd. - volume / for gas / for steam - image - 2
Vortex flow meter - YFVW300D - Xi'an Yunyi Instrument Co., Ltd. - volume / for gas / for steam - image - 3
Vortex flow meter - YFVW300D - Xi'an Yunyi Instrument Co., Ltd. - volume / for gas / for steam - image - 4
Vortex flow meter - YFVW300D - Xi'an Yunyi Instrument Co., Ltd. - volume / for gas / for steam - image - 5
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Characteristics

Technology
vortex
Type
volume
Fluid
for liquids, for gas, for steam
Pipe diameter
DN80 - 3", DN50 - 2", DN25 - 1", DN15 - 1/2", DN200 - 8", DN300 - 12", DN250 - 10", DN100 - 4", DN225 - 9", DN40 - 1"1/2, DN60 - 2"1/4, DN175 - 7", DN90 - 3"1/2, DN20 - 3/4", DN32 - 1"1/4, DN65 - 2"1/2, DN125 - 5", DN150 - 6", DN275 - 11"
Installation
flange
Material
stainless steel
Communication
4-20 mA, RS485, wireless, IoT, LoRaWAN, 4G
Protection level
IP67, vibration-resistant
Applications
for the oil and gas industry, HVAC
Other characteristics
remote, with battery, high-temperature, stand-alone
Process temperature

Min.: -40 °C
(-40 °F)

Max.: 350 °C
(662 °F)

Description

Overview
The YFVW300D is a vortex flow meter based on the Kármán vortex street principle for non‑contact measurement of steam, gases and low‑viscosity liquids. It integrates industrial wireless communication (4G / LoRaWAN / NB‑IoT) and supports battery operation, eliminating pressure‑sensing tubing and moving parts. Designed for high‑temperature and high‑risk environments, it enables wireless IoT energy management and simplified installation where external power or wiring is impractical.

Product Advantages
  • Zero‑wiring design: reduces cable and conduit costs by approximately 90% and installation costs by about 70%, enabling safer deployment in hazardous areas.
  • Wide turndown ratio: 10:1 range ratio with steam measurement from 0.5 to 25 m/s to cover startup through full load.
  • High environmental tolerance: temperature range -40°C to 350°C, IP67 ingress protection and resistance to vibration for outdoor and tunnel installations.
  • Intelligent diagnostics: real‑time sensor health monitoring and automatic temperature/pressure compensation to improve data reliability.
  • Cloud‑ready energy management: direct data transmission to energy platforms for consumption reporting and alerts.

Core Application Areas
  • Steam energy metering: boiler outlets, heat exchange circuits and process steam consumption monitoring.
  • Industrial gas monitoring: compressed air, nitrogen, oxygen and other plant gases.
  • Chemical process control: monitoring of flammable gases with suitable explosion‑proof integration.
  • HVAC systems: refrigerant and steam flow control for central cooling systems and energy audits.
  • Distributed piping networks: wireless monitoring of steam and gas pipelines where external power is unavailable.

Pain Points Addressed
Eliminates rapid cable aging in high‑temperature steam lines, reduces wiring complexity and costs in explosion‑proof zones, and provides battery‑powered operation for remote locations.

Specifications
  • Model: YFVW300D
  • Measuring principle: Vortex (Kármán vortex street)
  • Communication: 4G / LoRaWAN / NB‑IoT
  • Power supply: Battery powered
  • Measured media: Steam, gases, low‑viscosity liquids
  • Range ratio: 10:1 (steam 0.5–25 m/s)
  • Temperature range: -40°C to 350°C
  • Ingress protection: IP67
  • Design: No moving parts; no pressure‑sensing tubing
  • Diagnostics: Intelligent self‑diagnosis with automatic temperature/pressure compensation
  • Environmental features: Vibration resistance; suitable for outdoor and tunnel environments
  • Applications: Energy management; cloud data transmission; consumption reporting

Other Xi'an Yunyi Instrument Co., Ltd. products

IOT Meter

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.