行业组件数据 · 2026

法兰/轮缘

A flange/rim is a protruding rim or edge on a machine hood's capture inlet, designed to provide secure attachment, alignment, and sealing between the hood and connected ductwork or equipment.

技术定义与适配语境
典型 法兰/轮缘 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。

The flange/rim is a critical structural component integrated into the hood's capture inlet, typically featuring bolt holes or a continuous rim to facilitate a rigid, airtight connection with mating flanges on ventilation ducts, filters, or other process equipment. It ensures proper mechanical alignment, prevents air leakage, and maintains the integrity of the capture system under operational stresses such as vibration, pressure differentials, and thermal expansion.

组件规格

定义
The flange/rim is a critical structural component integrated into the hood's capture inlet, typically featuring bolt holes or a continuous rim to facilitate a rigid, airtight connection with mating flanges on ventilation ducts, filters, or other process equipment. It ensures proper mechanical alignment, prevents air leakage, and maintains the integrity of the capture system under operational stresses such as vibration, pressure differentials, and thermal expansion.
工作原理
The flange/rim operates on the principle of mechanical fastening and gasket compression. When bolted to a mating flange, it creates a compressive force that deforms a gasket material (e.g., rubber, silicone) placed between the surfaces, forming a seal that prevents air or contaminant leakage. Its rim geometry ensures precise alignment, distributing loads evenly to maintain structural stability and prevent misalignment during machine operation.
材料
Common materials include: Carbon steel (e.g.ASTM A36) for general applicationsStainless steel (e.g.AISI 304/316) for corrosion resistance in harsh environmentsAluminum alloys (e.g.6061-T6) for lightweight needsor engineered plastics (e.g.PVCpolypropylene) for chemical resistance. Material selection depends on factors like temperaturecorrosion exposureand load requirements.
Diameter
Varies by hood size (e.g., 200-1000 mm)
Thickness
3-12 mm depending on material and pressure rating
Surface Finish
Smooth machined or coated (e.g., galvanized, powder-coated) to enhance sealing
Pressure Rating
Up to 150 psi for standard industrial applications
Bolt Hole Quantity
4, 8, or 12 holes typical
Bolt Circle Diameter
Standardized per flange class (e.g., ANSI/ASME B16.5)
标准
ISO 7005-1DIN 2501ANSI/ASME B16.5EN 1092-1

行业分类与别名

法兰/轮缘 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

Incorrect bolt torque or uneven tightening->Gasket compression failure, leading to air leaks and system inefficiency->Use calibrated torque wrenches and follow a star-pattern tightening sequence; implement regular inspection protocols.
Exposure to corrosive chemicals or moisture->Material degradation (e.g., rust, pitting), compromising structural integrity and seal->Select corrosion-resistant materials (e.g., stainless steel); apply protective coatings; conduct routine maintenance checks.
Vibration or thermal cycling from machine operation->Bolt loosening or flange distortion, causing misalignment and leaks->Use lock washers or thread-locking compounds; design with allowance for thermal expansion; schedule vibration analysis.

工业生态与工程逻辑

0
Improper installation leading to air leakage and reduced capture efficiency
1
Material corrosion in aggressive environments causing failure
2
Misalignment during assembly resulting in seal damage or structural stress

合规与检测

tolerance
Dimensional tolerances per ISO 2768-m for general machining; flatness tolerance typically within 0.1 mm per 100 mm to ensure proper gasket sealing
test method
Pressure testing (e.g., hydrostatic or pneumatic) to verify leak-tightness; visual inspection for surface defects; dimensional checks using calipers or CMMs

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 primary function of a flange/rim on a hood capture inlet?

It provides a secure, aligned, and sealed connection between the hood and ductwork, preventing air leaks and ensuring efficient contaminant capture.

How do I select the right material for a flange/rim?

Consider operational environment: use carbon steel for general use, stainless steel for corrosion resistance, aluminum for lightweight applications, or plastics for chemical exposure.

What standards apply to industrial flanges/rims?

Common standards include ISO 7005-1, DIN 2501, and ANSI/ASME B16.5, which define dimensions, pressure ratings, and materials.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Component Index · 机械和设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 法兰/轮缘

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 法兰/轮缘?

对比具备该组件加工或装配能力的制造商资料。

创建制造商档案 联系我们
上一个组件
法兰/安装板
下一个组件
法兰/连接件
URN:CNFX:ME:UNIT:FLANGE_RIM