行业组件数据 · 2026

连接法兰

A connecting flange is a mechanical component used to join duct sections in industrial ventilation and material handling systems.

技术定义与适配语境
典型 连接法兰 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 connecting flange is a flat, circular, or rectangular plate with evenly spaced bolt holes around its perimeter, designed to create a secure, sealed joint between two duct sections. It serves as an interface that allows for assembly, disassembly, and maintenance of ductwork while maintaining structural integrity and preventing air or material leakage in industrial applications such as HVAC, dust collection, and pneumatic conveying systems.

组件规格

定义
A connecting flange is a flat, circular, or rectangular plate with evenly spaced bolt holes around its perimeter, designed to create a secure, sealed joint between two duct sections. It serves as an interface that allows for assembly, disassembly, and maintenance of ductwork while maintaining structural integrity and preventing air or material leakage in industrial applications such as HVAC, dust collection, and pneumatic conveying systems.
工作原理
The connecting flange operates by aligning two duct sections and clamping them together using bolts through matching holes in the flanges. A gasket or sealant is typically placed between the flanges to ensure an airtight or leak-proof seal. The bolt tension creates compressive force, securing the joint and maintaining pressure integrity within the duct system.
材料
Common materials include: carbon steel (ASTM A36A105)stainless steel (304316)aluminum alloys (6061-T6)galvanized steeland occasionally fiberglass-reinforced plastics for corrosive environments. Material selection depends on factors like temperaturepressurecorrosion resistanceand cost.
Bolt Size
M8 to M24
Diameter Range
50 mm to 2000 mm
Surface Finish
Ra 3.2 μm to 12.5 μm
Pressure Rating
Up to 1.5 MPa (150 psi)
Flange Thickness
3 mm to 20 mm
Temperature Range
-40°C to 400°C
Bolt Hole Quantity
4 to 24 holes
标准
ISO 7005-1DIN 2633ANSI/ASME B16.5EN 1092-1

行业分类与别名

连接法兰 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

Insufficient bolt torque during installation->Leakage at the flange joint, leading to system pressure loss and contamination->Use calibrated torque wrenches and follow manufacturer specifications; implement regular inspection schedules
Corrosion due to exposure to harsh chemicals or moisture->Structural weakening and eventual rupture of the flange->Select corrosion-resistant materials (e.g., stainless steel); apply protective coatings; conduct periodic corrosion checks
Gasket degradation from high temperature or pressure->Loss of seal integrity, causing leaks and system inefficiency->Use high-temperature gaskets (e.g., graphite, PTFE); monitor operating conditions; replace gaskets as per maintenance intervals

工业生态与工程逻辑

0
Improper bolt tightening can lead to leaks or joint failure
1
Material incompatibility may cause corrosion
2
Misalignment during installation can reduce efficiency
3
Gasket failure under high temperature or pressure

合规与检测

tolerance
Dimensional tolerances per ISO 2768-m for general dimensions; bolt hole positional tolerance within ±0.5 mm; flatness tolerance of 0.1 mm per 100 mm diameter
test method
Pressure testing per ISO 5208: Hydrostatic test at 1.5 times maximum working pressure; leak detection using bubble test or pressure decay method; visual inspection for surface defects and alignment

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 connecting flange in duct systems?

The primary function is to provide a secure, sealed, and removable connection between duct sections, allowing for easy assembly, maintenance, and pressure integrity in industrial ventilation and material handling systems.

How do I select the right material for a connecting flange?

Select based on operating conditions: use carbon steel for general applications, stainless steel for corrosion resistance, aluminum for lightweight needs, and consider temperature, pressure, and environmental factors like humidity or chemicals.

What standards apply to connecting flanges?

Common standards include ISO 7005-1 for dimensions, DIN 2633 for pressure ratings, and ANSI/ASME B16.5 for pipe flanges, ensuring compatibility and safety in industrial use.

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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:CONNECTING_FLANGE