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Vortex Flow Meter
Simple structure, no movable parts, no
wear and tear, no mechanical
maintenance.
Adopts Advanced DSP (Digital Signal
Processing) technology.
Adopts low-power consumption fulldot-matrix LCD display, which can
simultaneously display instantaneous
flow rate, accumulated flow rate,
percentage flow rate and selfdiagnostic information.
Wide measurement
range ratio up to 20:1.
Adopts hidden button design, authority
password menu management, effectively
preventing unrelated personnel from
altering the meter and misoperation
situation.
Vortex flow meter is a fluid oscillation type flow meter made according to Kamen principle. Inserting a column with a
Wide measurement
range ratio up to 20:1.
Adopts hidden button design, authority
password menu management, effectively
preventing unrelated personnel from
altering the meter and misoperation
situation.
non-streamlined cross-section into the flowing fluid, two rows of staggered vortices are generated on both sides of the
rear of the column when the medium is flowing. Applicable to mass flow and volume flow measurement of overheated
steam, saturated steams, compressed air, ammonia, etc., water and low corrosive liquids.
26
Product
BAIC GROUP
6
改动，误操作情况的发生。
管理，有效防止无关人员对仪表的
采用隐藏按键设计，权限密码菜单
5 测量量程比宽，可达20：1。
4
百分比流量和自诊断信息。
可同时显示瞬时流量、累计流量、
采用了低功耗全点阵LCD液晶显示，
3 （数字信号处理）技术。 采用了先进的DSP
2 无磨损，无需机械维修。
结构简单，无可动部件，
1 更具节能意义。
压力损失小，运行费用低，
等、水和低腐蚀性液体的质量流量、体积流量的测量。
柱体，介质在流动时柱体后部两侧会产生两列交错排列的漩涡。适用于过热蒸汽、饱和蒸气、压缩空气、氨气
涡街流量计是根据卡门原理制成的一种流体振荡型流量仪表。在流动的流体中插入一个断面为非流线型的
02 产品特点及技术指标
01
产品概述
涡街流量计
Product Overview
Product Features&Technical Indicators
Low pressure loss, low operating costs,
more energy-saving significance.
Simple structure, no movable parts, no
wear and tear, no mechanical
maintenance.
Adopts Advanced DSP (Digital Signal
Processing) technology.
Adopts low-power consumption fulldot-matrix LCD display, which can
simultaneously display instantaneous
flow rate, accumulated flow rate,
percentage flow rate and selfdiagnostic information.
温压补偿一体式涡街
Flow Rate Range Comparison Table
27
Product
BAIC GROUP
DN80 7.2-145 90-1200 75-1200
DN65 4.8-96 63-820 50-820
DN50 3-56 35-450 28-450
DN40 2.0-26 23-300 18-300
DN32 1.5-20 15-200 12-200
DN25 1-12 8.8-124 7-124
DN20 0.8-10 5-45 6-60
DN15 0.6-6 4-16 4-25
液体 气体 蒸汽
流量范围（m3/h） 公称通径
03 流量范围对照表
耐压等级 1.6MPA 2.5MPA 4.0MPA 6.3MPA
流速范围 液体：0.3-7m/s 气体：3-60m/s 蒸汽：2.5-60m/s
接液材质 304 316 316L (其它材质沟通定做)
输出信号 4-20MA输出 脉冲输出 通讯协议 HART Modbus RS485
重复性 ±0.3% 量程比 20:1
防护等级 IP65 IP67 防爆等级 本安型iaIIBT4-CT6 隔爆型DIIBT4-CT6
环境温度 -30~70℃ 介质温度 常规型-40~250℃ 高温型-40~350℃
电气接口 M20*1.5 1/2NPT G1/2 供电电压 24V二线 24V四线（带背光）
口径范围 DN15-DN300 精度等级 液体1.0% 气体1.5%
卡装式涡街 一体式涡街
号原理的灵活性、可靠性和稳定性，进一步提高了仪表的抗干扰能力。
号的情况进行实时的调整和处理，可以根据信号的频率自动跟踪先择滤波器频带范围，从而大大提高了信
V 采用了先进的DSP（数字信号处理）技术，用数字滤波器代替了传统的模拟滤波器，CPU能够根据传感器信 于贸易结算>
V 温压补偿功能实时测量介质的温度、压力及工程流量，并能将这些参数换算成介质流量或标况流量，并用
Temperature and pressure compensation integrated vortex Clip-on type vortex Integrated type vortex
· The temperature and pressure compensation function measures the temperature, pressure and engineering flow rate
of the medium in real time, and can convert these parameters into medium flow rate or standard flow rate, and use
them for trade settlement.
· - Adopts advanced DSP (Digital Signal Processing) technology, replaces the traditional analog filters with digital filters,
the CPU is able to make real-time adjustments and processing according to the sensor signal, and can automatically
track the filter band range according to the frequency of the signal, which greatly improves the flexibility, reliability, and
Caliber range
Liquid contact material
Ambient temperature
Flow velocity range
Pressure resistance level
stability of the signal principle, and further improves the instrument's anti-interference capability.
Protection level
Repeatablility
Output signal
Electrical interface
Steam
Flow rate range (m3/h)
Liquid Gas Nominal diameter
Power supply voltage 24V 2-wire 24V 4-wire (with backlight)
4-20MA output Pulse output Communication protocols
Liquid: 0.3-7M/S Gas: 3-60M/S Steam: 2.5-60M/S
Range ratio
Medium temperature
Explosion-proof level
304 316 316L (communicate for customization of other materials)
Accuracy level Liquid 1.0% Gas 1.5%
Intrinsically safe type IAIIBT4-CT6
Flameproof type DIIBT4-CT6
Regular type -40~250°C
High temperature type -40~350°C
Product
Flow Meter Selection Table
Vortex
Vortex generator
28 BAIC GROUP
旋涡发生原理图
旋涡
涡发生体
Compensation mode
旋
流动方向
特殊注释 JB 整体禁铜锌 YD 双压电传感器 TS 特殊备注
电池供电（就地显示） 24VDC 二线制
24VDC 四线制
220VAC 四线制
D
C
B
A
粉尘型EXTBIIICT80℃ Db
本安型EXIAIIBT4-CT6
隔爆型EXDIIBT4-CT6
非防爆
T
C
B
P
316L
316
304
6
5
4
6.0MPA
4.0MPA
4
3
2.5MPA
1.6MPA
2
1
高温型-40~350℃
常规型-40~250℃
G
T
单温度补偿 温压补偿
无 单压力补偿
2 4
1 3
法兰卡装式
一体式法兰
2
1
供电方式
防爆等级
本体材质
4-20MA+RS485
4-20MA+HART
脉冲信号
4-20MA
过热蒸汽
饱和蒸气
D 15-300
气体
液体
D
C
B
A
6
7
8
9
信号输出
公称通径
测量介质
耐压等级
测量温度
补偿方式
连接方式
BSGB 涡街流量计
04 流量计选型表
DN150 26-512 320-4400 260-4400
DN300 100-2020 1250-17500 1020-17500
DN250 70-1200 850-7800 720-12400
DN200 45-920 565-7800 4400-7800
DN125 18-352 220-3000 175-3000
DN100 11-224 142-1950 120-1950
液体 气体 蒸汽
流量范围（m3/h） Nominal diameter 公称通径 Liquid Gas Steam
Flow rate range (m3/h)
Single temperature compensation
Vortex Flow Meter
Connection
method
Integrated type flange
Flange clamp-on type
Flow direction
Vortex Generation Schematic Diagram
Measured
medium
Liquid
Gas
Saturated steam
Overheated steam
Nominal diameter D
Signal output Pulse signal
Measurement temperature Normal type -40~250°C
High temperature type -40~350°C
None Single pressure compensation
Temperature and pressure compensation
Pressure resistance level
Body material
Explosion-proof level
Special annotation
Power supply method
Overall copper and
zinc prohibited Dual piezoelectric sensor Special notes
220VAC 4-wire system
24V DC 4-wire system
124V DC 2-wire system
Battery powered (local display)
Non-explosionproof
Flameproof XDIIBT4-CT6
Intrinsically safe EXIAIIBT4-CT6
Dust type EXTBIIICT 80°C DB
