行业组件数据 · 2026

管板

Tube sheet plate is a critical component in heat exchangers that supports and secures heat transfer tubes while separating fluid streams.

技术定义与适配语境
典型 管板 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 tube sheet plate is a thick, perforated metal plate used in shell-and-tube heat exchangers, boilers, and condensers. It serves as a structural support for the tube bundle, provides a seal between the tube-side and shell-side fluids, and maintains proper tube alignment. The plate contains precisely drilled holes where tubes are inserted and secured through methods like rolling, welding, or expansion to prevent fluid leakage and ensure thermal efficiency.

组件规格

定义
A tube sheet plate is a thick, perforated metal plate used in shell-and-tube heat exchangers, boilers, and condensers. It serves as a structural support for the tube bundle, provides a seal between the tube-side and shell-side fluids, and maintains proper tube alignment. The plate contains precisely drilled holes where tubes are inserted and secured through methods like rolling, welding, or expansion to prevent fluid leakage and ensure thermal efficiency.
工作原理
The tube sheet plate functions as a barrier and support structure in heat exchangers. It separates the high-pressure tube-side fluid from the shell-side fluid while transferring mechanical loads from the tubes to the exchanger shell. The plate maintains tube spacing and alignment to optimize heat transfer efficiency and prevent vibration-induced failures. During operation, it withstands thermal expansion stresses, pressure differentials, and corrosive environments while ensuring leak-proof connections at tube joints.
材料
Carbon steel (ASTM A516 Gr.70)Stainless steel (316L304L)Duplex stainless steel (2205)Titanium (Gr.2)Copper alloys (C70600)Nickel alloys (Inconel 625). Material selection depends on corrosion resistance requirementstemperaturepressureand fluid compatibility.
Flatness
0.1 mm/m
Thickness
25-150 mm
Hole Pattern
Triangular or square pitch
Surface Finish
Ra 3.2 μm
Pressure Rating
Up to 300 bar
Ligament Efficiency
Minimum 40%
Hole Diameter Tolerance
±0.05 mm
标准
ISO 16812ASME BPVC Section VIIITEMA StandardsDIN 28184

行业分类与别名

管板 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

Improper material selection for corrosive service->Premature corrosion leading to leakage->Conduct thorough corrosion analysis and select appropriate corrosion-resistant alloys with proper welding procedures
Inadequate tube expansion or welding->Joint leakage between tube and tube sheet->Implement strict quality control on tube rolling/welding processes and perform leak testing (hydrostatic/pneumatic)
Excessive thermal stresses from differential expansion->Cracking in tube sheet or tube joints->Design with proper thermal stress analysis, use floating tube sheets when necessary, and implement controlled heating/cooling procedures

工业生态与工程逻辑

0
Stress corrosion cracking
1
Tube-to-tube sheet joint leakage
2
Differential thermal expansion damage
3
Vibration-induced fatigue failure
4
Galvanic corrosion at dissimilar metal interfaces

合规与检测

tolerance
Hole diameter: H7 tolerance, Positional tolerance: ±0.1 mm, Surface flatness: 0.1 mm per meter
test method
Non-destructive testing (PT, MT, UT), Dimensional inspection with CMM, Hydrostatic pressure testing per ASME BPVC, Helium leak testing for critical applications

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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 tube sheet plate?

The tube sheet plate serves three main functions: supporting the tube bundle, creating a seal between tube-side and shell-side fluids, and maintaining proper tube alignment for optimal heat transfer.

How are tubes attached to tube sheet plates?

Tubes are typically attached through rolling (expansion), welding, or a combination of both (strength welding with light rolling). The method depends on pressure, temperature, and corrosion requirements.

What materials are commonly used for tube sheets in corrosive environments?

For corrosive environments, materials like 316L stainless steel, duplex stainless steels, titanium, and nickel alloys are preferred due to their excellent corrosion resistance properties.

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CNFX Industrial Component Index · 机械和设备制造

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