行业组件数据 · 2026

阻尼叶片

A damper blade is a pivotal airflow control component in industrial ventilation systems, designed to regulate or block air passage within ducts.

技术定义与适配语境
典型 阻尼叶片 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 damper blade is a flat or curved plate mounted on a rotating shaft within an air duct or housing, typically part of a damper assembly in air blowers or ventilation systems. It functions as an adjustable barrier to modulate airflow rates, pressure, or direction by pivoting between open and closed positions. In industrial applications, it ensures precise control over air distribution, energy efficiency, and system safety by managing air volume, velocity, or isolation in processes like HVAC, exhaust, or pneumatic conveying.

组件规格

定义
A damper blade is a flat or curved plate mounted on a rotating shaft within an air duct or housing, typically part of a damper assembly in air blowers or ventilation systems. It functions as an adjustable barrier to modulate airflow rates, pressure, or direction by pivoting between open and closed positions. In industrial applications, it ensures precise control over air distribution, energy efficiency, and system safety by managing air volume, velocity, or isolation in processes like HVAC, exhaust, or pneumatic conveying.
工作原理
The damper blade operates on a rotational principle: it pivots around a central shaft via an actuator (manual, electric, or pneumatic). When rotated to an open position, it aligns with the airflow direction, minimizing resistance; when closed, it obstructs the duct cross-section, blocking airflow. This adjustment alters the effective flow area, thereby controlling air volume, pressure differentials, or redirecting air paths based on system demands, often integrated with control systems for automated regulation.
材料
Common materials include galvanized steel (for corrosion resistance)stainless steel (for high-temperature or corrosive environments)aluminum (for lightweight applications)or composite polymers (for low-pressure systems). Specifications vary by thickness (e.g.1-3 mm for steel)surface coatings (e.g.powder coating for durability)and edge seals (e.g.rubber gaskets for airtight closure).
Thickness
1-5 mm
Blade Width
100-2000 mm
Blade Length
200-3000 mm
Actuation Type
Manual, Electric, Pneumatic
Shaft Diameter
10-50 mm
Pressure Rating
Up to 5000 Pa
Operating Temperature
-20°C to 400°C
标准
ISO 5211DIN 24194

行业分类与别名

阻尼叶片 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 humid or chemical exposure->Reduced blade integrity or jamming->Use corrosion-resistant materials (e.g., stainless steel), apply protective coatings, and implement regular inspections.
Misalignment during installation->Increased air leakage or operational strain->Follow precise alignment procedures during assembly and conduct post-installation testing for seal integrity.
Excessive airflow pressure beyond rating->Blade deformation or shaft damage->Design with adequate pressure ratings, install pressure relief valves, and monitor system parameters continuously.

工业生态与工程逻辑

0
Mechanical failure due to wear or corrosion
1
Air leakage from improper sealing
2
Actuator malfunction leading to loss of control
3
Vibration-induced fatigue cracks

合规与检测

tolerance
Dimensional tolerances per ISO 2768-m for blade flatness (±0.5 mm) and shaft alignment (±0.2°), with leakage rates below 1% of rated flow at closed position.
test method
Testing includes airflow performance per AMCA 500-D for pressure drop and leakage, material certification per ASTM standards, and operational cycle testing (e.g., 10,000 cycles) for durability.

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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 is the primary function of a damper blade in an air blower system?

It regulates airflow by adjusting its position to control air volume, pressure, or isolation, ensuring efficient operation and safety in systems like HVAC or exhaust.

How do I select the right material for a damper blade?

Choose based on environment: galvanized steel for general use, stainless steel for high heat/corrosion, aluminum for lightweight needs, or polymers for low-pressure applications.

What standards apply to damper blades?

Common standards include ISO 5211 for actuator mounting and DIN 24194 for airflow components, ensuring compatibility and performance in industrial settings.

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CNFX Industrial Component Index · 机械和设备制造

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初步技术归类
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URN:CNFX:ME:UNIT:DAMPER_BLADE