行业组件数据 · 2026

闸板/闸门板

Gate blade/plate is a movable component in blast gates that regulates airflow in industrial duct systems.

技术定义与适配语境
典型 闸板/闸门板 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 gate blade or plate is a precisely engineered flat or curved component installed within blast gates to control, divert, or shut off airflow in pneumatic conveying, dust collection, and ventilation systems. It operates by sliding or rotating to adjust the cross-sectional area of the duct, enabling precise flow regulation, system balancing, and isolation of specific branches.

组件规格

定义
A gate blade or plate is a precisely engineered flat or curved component installed within blast gates to control, divert, or shut off airflow in pneumatic conveying, dust collection, and ventilation systems. It operates by sliding or rotating to adjust the cross-sectional area of the duct, enabling precise flow regulation, system balancing, and isolation of specific branches.
工作原理
The gate blade operates on the principle of variable orifice control. By adjusting its position within the gate housing, it alters the effective flow area, changing airflow resistance according to the system requirements. When fully closed, it creates a positive seal; when partially open, it creates controlled turbulence and pressure drop to regulate flow rates.
材料
Typically made from galvanized steel (0.8-3.0mm thickness)stainless steel (304/316 grades for corrosive environments)aluminum alloys (for lightweight applications)or engineered plastics (PVCpolycarbonate for chemical resistance). Surface treatments include powder coatinggalvanizationor anodizing.
Seal Type
Gasket or blade-to-frame
Surface Finish
Ra 3.2 μm or better
Pressure Rating
Up to 10 kPa
Thickness Range
1.0-5.0 mm
Flatness Tolerance
±0.5 mm/m
Operating Temperature
-20°C to 200°C
标准
ISO 5801DIN 24163

行业分类与别名

闸板/闸门板 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

Material accumulation on blade edges->Incomplete closure leading to system imbalance->Install wiper seals, implement regular cleaning schedule, use anti-stick coatings
Improper alignment during installation->Increased operating torque and premature wear->Use alignment fixtures during installation, verify parallelism within 0.2mm

工业生态与工程逻辑

0
Blade jamming due to material buildup
1
Seal failure causing leakage
2
Corrosion in humid environments
3
Fatigue failure from cyclic operation

合规与检测

tolerance
±0.3mm for critical dimensions, ±1° for angular alignment
test method
ASTM E283 for air leakage, ISO 5801 for airflow performance, visual inspection per ISO 8501

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

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 difference between a gate blade and a damper blade?

Gate blades are typically thicker, designed for positive shut-off in blast gates, while damper blades are thinner and designed for continuous modulation in HVAC systems. Gate blades prioritize sealing capability, while damper blades prioritize aerodynamic efficiency.

How often should gate blades be maintained?

Inspect every 6 months for wear, corrosion, or seal degradation. Lubricate sliding mechanisms quarterly in high-cycle applications. Replace when wear exceeds 10% of original thickness or when sealing performance deteriorates.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

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初步技术归类
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URN:CNFX:ME:UNIT:GATE_BLADE_PLATE