行业组件数据 · 2026

间隔器

Spacers are precision components that maintain uniform tube spacing and alignment in high-pressure heat exchanger tube bundles.

技术定义与适配语境
典型 间隔器 会按材料、尺寸公差、适配关系和失效风险在 化学制造 中评估。

Spacers are critical structural components in high-pressure ammonia synthesis loop heat exchanger tube bundles that maintain precise spacing between tubes, ensure proper flow distribution, prevent vibration-induced damage, and support tube alignment under extreme thermal and pressure conditions. They are engineered to withstand corrosive ammonia environments and thermal cycling.

组件规格

定义
Spacers are critical structural components in high-pressure ammonia synthesis loop heat exchanger tube bundles that maintain precise spacing between tubes, ensure proper flow distribution, prevent vibration-induced damage, and support tube alignment under extreme thermal and pressure conditions. They are engineered to withstand corrosive ammonia environments and thermal cycling.
工作原理
Spacers work by physically separating and supporting heat exchanger tubes at regular intervals along their length. They maintain uniform gaps between tubes to optimize fluid flow and heat transfer, prevent tube-to-tube contact that could cause wear or vibration damage, and distribute mechanical loads evenly across the tube bundle structure.
材料
Stainless steel (AISI 316L304L)Inconel 625Hastelloy C-276Titanium Grade 2. Materials selected for corrosion resistance to ammoniahigh temperature strengthand compatibility with tube materials.
Surface Finish
Ra ≤ 3.2 μm
Corrosion Resistance
ASTM G48 Method A
Dimensional Accuracy
ISO 2768-m
Tube Spacing Tolerance
±0.5 mm
Maximum Pressure Rating
300 bar
Operating Temperature Range
-50°C to 450°C
标准
ISO 9328-2DIN 17440ASME BPVC Section VIIIASTM A240

行业分类与别名

间隔器 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 ammonia attack->Spacer thickness reduction leading to loss of support function->Use corrosion-resistant alloys with proper passivation, implement regular thickness monitoring
Flow-induced vibration->Fatigue cracking and eventual spacer fracture->Optimize spacer spacing design, use vibration-damping materials, implement flow distribution devices
Thermal cycling stress->Cracking at weld points or stress concentration areas->Design with thermal expansion allowances, use stress-relieved materials, implement gradual temperature changes

工业生态与工程逻辑

0
Corrosion failure in ammonia environment
1
Vibration-induced fatigue cracking
2
Thermal expansion mismatch
3
Improper installation causing flow restriction
4
Material incompatibility with process fluids

合规与检测

tolerance
Dimensional tolerance per ISO 2768-m, pressure rating compliance with ASME BPVC Section VIII, material certification per EN 10204 3.1
test method
Hydrostatic pressure testing per ASME BPVC, dimensional inspection per ISO 9001, material analysis per ASTM E1476, corrosion testing per ASTM G48

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 spacers in heat exchanger tube bundles?

The primary function is to maintain precise spacing between tubes to ensure uniform fluid flow, prevent vibration-induced failures, and optimize heat transfer efficiency.

Why are specific materials like Inconel or Hastelloy used for spacers in ammonia synthesis applications?

These materials provide exceptional corrosion resistance against ammonia and its byproducts, maintain mechanical strength at high temperatures, and prevent contamination of the process stream.

How do spacers prevent tube bundle failure?

By maintaining proper tube spacing and alignment, spacers prevent tube-to-tube contact that causes wear, reduce flow-induced vibration, and distribute thermal expansion stresses evenly.

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 · 化学制造

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: 间隔器

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 间隔器?

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
铝制压接盖
下一个组件
间隔环
URN:CNFX:ME:UNIT:SPACERS