行业组件数据 · 2026

堰板

A weir plate is a precision-engineered barrier used in overflow weirs and drainage systems to control liquid levels and flow rates in industrial processes.

技术定义与适配语境
典型 堰板 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

A weir plate is a critical flow control component installed in overflow weirs, channels, or tanks to regulate liquid levels by creating a controlled overflow point. It functions as a calibrated barrier that maintains specific liquid heights, ensuring consistent process conditions in industrial applications. The plate's geometry and dimensions determine flow characteristics, making it essential for accurate liquid management in manufacturing and processing systems.

组件规格

定义
A weir plate is a critical flow control component installed in overflow weirs, channels, or tanks to regulate liquid levels by creating a controlled overflow point. It functions as a calibrated barrier that maintains specific liquid heights, ensuring consistent process conditions in industrial applications. The plate's geometry and dimensions determine flow characteristics, making it essential for accurate liquid management in manufacturing and processing systems.
工作原理
The weir plate operates on the principle of hydraulic overflow control. When liquid reaches the predetermined height set by the plate's crest, it flows over the edge in a controlled manner. The flow rate is determined by the crest length, shape (rectangular, V-notch, or trapezoidal), and the head of liquid above the crest, following standard hydraulic equations. This creates a consistent liquid level upstream while allowing excess liquid to discharge downstream.
材料
Stainless steel (304/316)carbon steel with protective coatingsaluminum alloysor engineered plastics (PVCpolypropylene) depending on corrosion resistance and strength requirements.
Crest Length
100-2000 mm
Height Range
50-500 mm
Mounting Type
Bolted or welded flange
Surface Finish
Ra 1.6 μm or better
Pressure Rating
Atmospheric to 2 bar
Material Thickness
3-12 mm
Operating Temperature
-20°C to 150°C
标准
ISO 1438DIN 1952ISO 5167

行业分类与别名

堰板 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Corrosion from chemical exposure->Reduced structural integrity and altered flow geometry->Use corrosion-resistant materials, apply protective coatings, implement regular inspection schedules
Improper installation alignment->Uneven flow distribution and measurement inaccuracies->Follow precise installation procedures, use laser alignment tools, verify levelness during installation
Sediment or debris accumulation->Blocked flow and altered hydraulic characteristics->Install upstream screens, implement regular cleaning protocols, design with self-cleaning geometries

工业生态与工程逻辑

0
Crest damage affecting flow accuracy
1
Corrosion in aggressive environments
2
Debris accumulation altering flow characteristics
3
Improper installation causing leakage
4
Material fatigue from cyclic loading

合规与检测

tolerance
±0.5 mm on critical dimensions, ±1° on angular measurements
test method
Dimensional verification with coordinate measuring machines, flow calibration using gravimetric or volumetric methods, material certification per ASTM/EN standards

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制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What are the main types of weir plates?

The three primary types are rectangular (sharp-crested), V-notch (triangular), and trapezoidal (Cipolletti) weirs, each offering different flow characteristics and measurement accuracy for various applications.

How do you calculate flow rate over a weir plate?

Flow rate is calculated using standard hydraulic formulas based on crest geometry and liquid head. For rectangular weirs: Q = C × L × H^(3/2), where Q is flow rate, C is discharge coefficient, L is crest length, and H is head above crest.

What maintenance is required for weir plates?

Regular inspection for debris accumulation, corrosion checks, verification of crest sharpness (for sharp-crested weirs), and calibration against flow measurement standards to ensure accuracy.

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初步技术归类
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URN:CNFX:ME:UNIT:WEIR_PLATE