行业组件数据 · 2026

框架/机头

Structural frame and header assembly for heat exchanger systems providing support, fluid distribution, and structural integrity.

技术定义与适配语境
典型 框架/机头 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 Frame/Header is a critical structural component in heat exchanger systems, particularly in cooling towers and plate heat exchangers. It consists of a rigid frame that supports the entire assembly and headers that distribute fluid to and from the heat transfer plates or surfaces. This component ensures proper alignment, maintains pressure integrity, and provides mounting points for other system elements while withstanding thermal expansion, mechanical loads, and environmental conditions.

组件规格

定义
The Frame/Header is a critical structural component in heat exchanger systems, particularly in cooling towers and plate heat exchangers. It consists of a rigid frame that supports the entire assembly and headers that distribute fluid to and from the heat transfer plates or surfaces. This component ensures proper alignment, maintains pressure integrity, and provides mounting points for other system elements while withstanding thermal expansion, mechanical loads, and environmental conditions.
工作原理
The Frame/Header functions by providing structural support to maintain alignment of heat transfer elements while distributing fluid through inlet and outlet headers. The frame absorbs mechanical stresses and thermal expansion forces, while headers ensure even fluid distribution across all heat transfer surfaces to maximize thermal efficiency and prevent flow maldistribution.
材料
Carbon steel (ASTM A36/A283)Stainless steel (304/316L)Aluminum alloys (6061-T6)Galvanized steelPowder-coated steel for corrosion resistance. Material selection depends on fluid compatibilitytemperature rangeand environmental conditions.
Mounting Type
Bolted or welded connections
Surface Finish
RAL 9010 standard, other options available
Pressure Rating
10-25 bar standard
Weight Capacity
500-5000 kg depending on configuration
Frame Dimensions
Customizable to heat exchanger size
Header Port Sizes
DN25 to DN300
Temperature Range
-20°C to 200°C
标准
ISO 15547ASME BPVC Section VIIIDIN EN 13445API 661

行业分类与别名

框架/机头 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 due to chemical exposure->Structural weakening and potential collapse->Use corrosion-resistant materials, apply protective coatings, implement regular inspection protocols
Improper installation or alignment->Reduced heat transfer efficiency and premature wear->Follow manufacturer installation guidelines, use precision alignment tools, conduct post-installation verification
Thermal cycling stress->Fatigue cracking at welded joints->Design with expansion joints, use flexible connections, implement stress-relief features

工业生态与工程逻辑

0
Structural failure under load
1
Corrosion in aggressive environments
2
Fluid leakage at connections
3
Thermal expansion mismatch
4
Vibration-induced fatigue

合规与检测

tolerance
±1.5mm for frame dimensions, ±0.5° for angular alignment, Ra 3.2μm surface finish for sealing surfaces
test method
Hydrostatic pressure testing at 1.5x design pressure, dimensional verification with CMM, material certification per ASTM/EN standards, NDT for weld integrity

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 frame and header in heat exchangers?

The frame provides structural support and maintains alignment of the entire assembly, while headers are specifically designed for fluid distribution to and from the heat transfer surfaces.

How do I select the right material for Frame/Header components?

Material selection depends on fluid compatibility (corrosion resistance), operating temperature, pressure requirements, and environmental conditions. Stainless steel is common for corrosive fluids, while carbon steel with protective coatings is used for cost-effective solutions in non-corrosive environments.

What maintenance is required for Frame/Header assemblies?

Regular inspection for corrosion, checking bolt tightness, verifying alignment, and cleaning of header ports to prevent clogging. Annual visual inspections and torque checks are recommended.

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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:FRAME_HEADER