行业组件数据 · 2026

管接头

Tube connections are precision fittings that join tubing sections in hydraulic, pneumatic, and fluid transfer systems within headers and manifolds.

技术定义与适配语境
典型 管接头 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。

Tube connections are engineered components designed to create secure, leak-proof joints between tubing segments in industrial fluid systems. They serve as critical interfaces in headers and manifolds, ensuring proper fluid routing, pressure containment, and system integrity. These connections must maintain structural stability under varying pressures, temperatures, and mechanical stresses while preventing contamination and minimizing pressure drops.

组件规格

定义
Tube connections are engineered components designed to create secure, leak-proof joints between tubing segments in industrial fluid systems. They serve as critical interfaces in headers and manifolds, ensuring proper fluid routing, pressure containment, and system integrity. These connections must maintain structural stability under varying pressures, temperatures, and mechanical stresses while preventing contamination and minimizing pressure drops.
工作原理
Tube connections operate by creating a mechanical seal between tubing ends through compression, threading, or welding. The connection mechanism (such as ferrule compression in bite-type fittings or threaded engagement) deforms components to form a pressure-tight seal. Proper installation ensures the tubing material flows into the fitting's sealing geometry, creating a metal-to-metal seal that withstands system pressures and vibrations without leakage.
材料
Stainless steel (304316)carbon steelbrassaluminum alloysor engineered plastics (PTFEnylon) depending on application requirements. Materials are selected based on corrosion resistancepressure ratingtemperature rangeand fluid compatibility.
Tube OD Range
1/8" to 2" (3mm to 50mm)
Surface Finish
Ra 32 µin (0.8 µm) or better for sealing surfaces
Pressure Rating
Up to 6000 psi (414 bar)
Connection Types
Bite-type, flare, O-ring face seal, welded, brazed
Thread Standards
NPT, BSPP, BSPT, SAE, metric
Temperature Range
-65°F to 450°F (-54°C to 232°C)
标准
ISO 8434DIN 2353SAE J514ISO 11926

行业分类与别名

管接头 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

Insufficient tube insertion depth during assembly->Incomplete ferrule compression leading to leakage under pressure->Implement visual inspection gauges, torque monitoring during assembly, and operator training on proper insertion depth verification
Vibration from adjacent machinery->Gradual loosening of threaded connections causing system leaks->Use locking devices (locknuts, thread-locking compounds), implement regular vibration analysis, and design with vibration-dampening supports

工业生态与工程逻辑

0
Improper installation causing leaks
1
Material incompatibility leading to corrosion
2
Vibration-induced fitting loosening
3
Over-torquing damaging sealing surfaces
4
Thermal cycling causing joint fatigue

合规与检测

tolerance
±0.005" (0.127mm) on critical sealing dimensions, thread pitch within ANSI/ASME B1.20.1 standards
test method
Pressure testing per ISO 19879 (hydrostatic and pneumatic), helium leak detection for critical applications, vibration testing per MIL-STD-810

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 are the main types of tube connections used in industrial manifolds?

The primary types include bite-type compression fittings (ferrule systems), flare fittings (37° or 45°), O-ring face seal fittings, and permanent connections (welded or brazed). Selection depends on pressure requirements, maintenance needs, and fluid compatibility.

How do I prevent leakage in tube connections?

Ensure proper tube preparation (square cut, deburred), correct assembly torque, use of compatible sealing materials, regular inspection for vibration-induced loosening, and adherence to manufacturer's installation procedures including proper ferrule positioning and tube insertion depth.

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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: 管接头

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