内各种介质的流量。

优异的新型流量计。由V锥传感器和差压变送器组合而成的V锥流量计，可测量宽雷诺数(8×103≤Re≤5×107)范围

Low installation requirements: front 0~3D

straight tube segment, rear 0~1D straight

V-Cone Flow Meter

tube segment.

Wide range ratio: usually 10:1, can be up

to 50:1 when select the appropriate

parameters.

Small pressure loss: for the same B value,

the pressure loss is 1/3~1/5 of the orifice

plate.

Wear-resistant: After throttling of the

streamlined cone, a vacuum layer effect is

generated on the surface of the cone,

making the cone less susceptible to wear.

Good repeatability: better than 0.122%.

损、测量范围宽、压损小、适合赃污介质等优点。而且V锥体本身作为流场的整流器而成为一种具有独特性能的

Stable signal: \"Signal fluctuation\" is 1/10 of

that of the orifice plate.

实践使用证明，V锥流量计与其他流量仪表相比，具有长期精度高、稳定性好，受安装条件局限小、耐磨

环状节流。

产生的节流效应，通过检测上下游压差来测量流量。与普通节流件相比，它改变了节流布局，从中心孔节流改为

体、低压流体、高含湿气体及各种脏污流体。它的开发成功是差压式流量测量质的飞跃，它利用V锥体在流场中

V锥流量计稳定性好、准确性高、重复性好、量程比宽、对安装管段要求低、压损小，可测量含有颗粒流

守恒定律伯努利方程和流动连续性方程，在稳定流的情况下管道中的流速与差压的平方根成正比。

V锥流量计是集经典文丘里管及环形孔板的优点为一体的新型节流装置，其理论原理是基于封闭管道中能量

02

产品特点

01 产品概述

Product overview

6 信号稳定:\"信号波动\"是孔板的1/10。

5 重复性好:优于0.122%。

4

应，使得锥形体不易损。

在锥形体表面产生真空层效

耐磨损:流线型锥形体节流后，

3 孔板1/3~1/5。

压损小:同样的B值，压损是

2 合适的参数较高可做到50:1。

量程比宽:通常为10:1，选择

1 后0~1D直管段。

安装要求低:前0~3D直管道，

V锥流量计

59

Product

BAIC GROUP

Product Overview

V-cone flow meter is a new type of throttling device that combines the advantages of classical Venturi and ring-shape

orifice plate, its theoretical principle is based on the law of conservation of energy Bernoulli's equation in closed pipe and

the flow continuity equation, the flow velocity in the pipe being steady flow is proportional to the square root of the

differential pressure.

V-cone flow meter has good stability, high accuracy, good repeatability, wide range ratio, low requirements for the

installation of the tube segment, small pressure loss, can measure medium containing particles, low-pressure fluids, high

moisture content gas and a variety of dirty fluids. Its successful development is a qualitative leap forward in differential

pressure flow measurement, which utilizes the throttling effect produced by the V cone in the flow field to measure the flow

rate by detecting the upstream and downstream differential pressure. Compared with a normal throttle, it has changed the

throttle layout from a center hole throttle to a ring throttle.

Practice has proved that the V cone flow meter, compared with other flow meters, has the advantages of high longterm accuracy, good stability, small limitations by the installation conditions, wear-resistant, wide measuring range, small

pressure loss, suitable for stained media and so on. In addition, the V-cone itself acts as a rectifier for the flow field, making

it an excellent new flow meter with unique performances. V cone flow meter, which is a combination of V cone sensor and

differential pressure transmitter, can measure the flow of all kinds of medium within a wide range of Reynolds number

(8×103≤RE≤5×107).

Product Features

Low installation requirements: front 0~3D

straight tube segment, rear 0~1D straight

tube segment.

Wide range ratio: usually 10:1, can be up

to 50:1 when select the appropriate

parameters.

Small pressure loss: for the same B value,

the pressure loss is 1/3~1/5 of the orifice

plate.

Wear-resistant: After throttling of the

streamlined cone, a vacuum layer effect is

generated on the surface of the cone,

making the cone less susceptible to wear.

Good repeatability: better than 0.122%.

Stable signal: \"Signal fluctuation\" is 1/10 of

that of the orifice plate.

流量计选型表

· No clogging, no adhesion: The conical-shape thorough blowing design

avoids trapping residue, condensation, or particles in the fluid.· Good longterm stability: The B-value can remain unchanged for a long period of time

and long-term measurements are guaranteed.Wide B-value range: The

unique geometry of the V-cone flow sensor allows for a wide B-value range.

· Can measure high temperature, high pressure medium: operating

temperature of 850 °C, larger pressure 40MPA.

· Can measure dirty medium (coke oven gas, blast furnace gas, raw material oil

, residual oil, etc.).

· Can measure gas-liquid two-phase medium (moisture, condensate, etc.).

03

法兰要求：

口径(mm)：

密度：

Caliber range

Pressure resistance level

Body material

Ambient temperature

Process connection

Power supply source

Output signal

介质

体压力(MPa)：最低、常用、最高

Compensation mode

Matching accessories

流

流量范围(m³/h)：最小、常用、最大

被测介质的名称：最小、常用、最大

È 订货须知订货请写明下列内容被测介质的名称：

五阀组及紧固件

三阀组及紧固件

无

3

2

1

单晶硅差压变送器

电容式差压变送器

无

9

8

7

温度压力补偿

温度补偿

压力补偿

无

7

6

5

4

阀组附件

差压变送器

补偿方式

42 MPA

25 MPA

16 MPA

10 MPA

8

7

6

5

6.3 MPA

4.0 MPA

2.5 MPA

1.6MPA

4

3

2

1

公称压力

2205

316L

304

7

6

5

锥体材质

K

D

1DD2

0

L

流向

DN 25-2000

316L

304

15CrMo

20#

4

3

2

1

蒸汽

焦炉煤气

高炉煤气

气体

液体

5

4

3

2

1

本体材质

测量介质

公称通径

BSLV V锥流量计

03 流量计选型表

V锥流量计

本体材质 碳钢 304 316 锥体材质 碳钢 304 316

补偿方式 温度补偿 压力补偿 温压补偿

供电电源 24V DC 防护等级 IP65

耐压等级 ≤40MPa

过程连接 法兰式 焊接式 夹装式 实用介质 液体 气体 蒸气

环境温度 -20 ~ 70℃ 介质温度 -40℃ ~ 800℃

防爆等级 本安/隔爆BT4-CT6

配套附件 一次阀 三阀组 差压变送器

输出信号 4-20mA

口径范围 DN25-DN2000 精度等级 ±0.5%FS

v 可测气液两相介质(湿气、冷凝水等) 。

v 可测脏污介质(焦炉煤气、高炉煤气、原料油、渣油等) 。!

v 可测高温、高压介质：工作温度较高850℃，较大压力40MPaX

v β值范围宽：V锥流量传感器独特的几何形状允许有广泛的β值范围X

v 长期稳定性好：β值可长期不变，并保证长期测量X

物或颗粒的滞留X

v 不堵塞，不粘附：锥形彻底吹扫式设计避免了流体中的残渣、凝结

60

Product

BAIC GROUP

V-cone flow meter

Accuracy level

Cone material

Medium temperature

Practical medium

Explosion-proof level

Protection level

Carbon steel 304 316

Flange type Welding type Clamping type

Temperature compensation Pressure compensation Temperature and pressure compensation

Primary valve Three-valve group Differential pressure transmitter

Carbon steel 304 316

Liquid Gas Steam

Intrinsically safe/flame-proof BT4-CT6

Flow Meter Selection Table

V-Cone Flow Meter

Nominal

diameter

Measured medium

Body material

Cone material

Nominal pressure

Compensation mode

Differential pressure transmitter

Valve group accessories

· Ordering information, please specify the following when ordering

Measured medium name:

Measured medium name: minimum, common, maximum

Flow rate range (m³/h): minimum, common, maximum Caliber (mm): Fluid

pressure (MPa): minimum, common, maximum

Medium density:

Caliber (mm):

Flange requirements:

Liquid

Gas

Blast furnace coal gas

Coke oven coal gas

Steam

None

Pressure compensation

Temperature compensation

Temperature and pressure compensation

None

Capacitive differential pressure transmitter

Monocrystalline silicon differential pressure transmitter

None

Three-valve group and fasteners

Five-valve group and fasteners