HLVA-笛型匀速管花语之中藏匿着旋律的秘密你是否曾经倾听过它的歌声

在HLVA-笛型匀速管的世界中，花语不仅是对美好事物的赞颂，更是对精确测量艺术的深刻理解。它与孔板差压式流量传感器一样，都遵循着古老而神秘的伯努利方程。在这条曲折道路上，我们将探索如何通过管道内流速平均值和截面积乘积来揭示流量之谜。

当我们走进这一领域时，我们发现一般情况下，流体在管道中的分布并非一致。如果它是一个充分发展的流体，其速度分布就像一首诗，遵循着指数规律。而为了让计量更加精确，我们将整个圆形截面分成四个等面积单元：两个半圆和两个半环。阿牛巴流量计则是一根中空金属管，在垂直于流向的工艺管道中安置，它拥有两对总压孔，每对分别位于每个单元面积上，这些孔口反映了各自区域流速大小。

由于这些总压孔是相通的，它们传递至检测杆上的各点，则产生了一个均衡后的总压值。这份总压值经由高压接头被送到变送器正压室。在那里，它与正、负压室之间形成了一种特殊关系——差Pressure，与流量截面的平均流速成正比，从而揭示了差Pressure与流量之间不可思议的情感纽带。

当HLVA-笛型匀速管正确安装于有足够长度直管段的小小工艺家园时，那里没有旋涡，就像是自然界中的宁静。整个截面的静壓可以认为是不变不变地存在。在检测杆背面中间设有一扇门，如同打开心灵之门，让我们看到整个截面的静壓。这份力量通过低-pressure引出系统，被引导至变送器负-pressure室，而正、负pressure室测得出的差Pressure平方，与流量截面上的平均流速建立起一种奇妙的心灵连接，从而获得了差Pressure与流量之间复杂多层次的情感交流。

1.法兰连接笛型匀速管传感器结构

2.螺纹连接笛型匀速管传感结构

1.测量 管

2.支撑 管

3.支撑 法兰

4.测量 管固定 法兰

5.连接 座

6.(正)毛细 引出 管子

7.(低)毛细 引入 管子

1.法兰连接 笛形匀速 流动计

2.CPVC 螺纹 连接 笛形 匀步 流动 计

1.L

2.r1, r2, r3, r4

3.Connection type: flanged or screwed connection

4.Measured fluid: liquid, gas or steam

The pressure loss of the HLVA-type meter is low, only accounting for about 2 to 15% of the total pressure difference, while that of an ordinary orifice plate can account for up to 40 to 80%. As the pipe diameter increases, the pressure loss of Arnooba can be ignored, greatly reducing energy costs.

Measurement accuracy and stability are high; accuracy is as high as ±0.5%, and stability is ±0±0±20%. Moreover, it has a wide range of measurement ratios up to ten times that ratio.

Applicability is broad; it can be used for measuring various media such as liquids and gases in pipes.

It's beneficial for pipeline layout design; this type of meter not only applies to circular pipes but also rectangular ones with less length requirements than plates on both sides upstream and downstream flow sections in pipelines.

Installation and maintenance are more convenient due to its lightweight structure that requires no heavy machinery during installation or disassembly when continuously flowing without stopping along the way.

Quantitative characteristics:

Range factor:10:1

Common pipe diameters:100mm～3000mm

Accuracy level (Class):±(0/±(%)<l)

Repeatability error (%): ±(%)<l

Working temperature range (-20℃~500℃)

Applicable medium types:

Liquid (water vapor)

Gas (air), coal gas)

Steam (saturated steam)

Connection methods:

Flanged connections

Model Explanation

HLVA Type Meters

Classification Code

Meter Type Model Number Description Quantity Unit Price Total Price

Note:

Please provide us with information about your specific piping system:

a) Pipe diameter.

b) Pipe wall thickness.

c) Material requirements.

For fluids:

a) Name.

b) Minimum operating temperature.

c) Minimum operating working pressure.

d) Minimum operating flow rate.

e)Corrosive fluid? If so what percentage?

Type Requirements:

Flange material...

Gasket material...

Bolt material...

Threaded fittings...