行业组件数据 · 2026

端盖

End caps are precision-engineered sealing components that secure filter media within high-pressure oil filter cartridges, ensuring leak-free operation and structural integrity.

技术定义与适配语境
典型 端盖 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。

End caps are critical structural components in high-pressure oil filter cartridges, designed to seal both ends of the filter element while withstanding operational pressures up to 600 psi. They provide mechanical support to the filter media, maintain proper flow distribution, and interface with the filter housing through precision sealing surfaces. These components must maintain dimensional stability under thermal cycling and pressure fluctuations while preventing bypass contamination.

组件规格

定义
End caps are critical structural components in high-pressure oil filter cartridges, designed to seal both ends of the filter element while withstanding operational pressures up to 600 psi. They provide mechanical support to the filter media, maintain proper flow distribution, and interface with the filter housing through precision sealing surfaces. These components must maintain dimensional stability under thermal cycling and pressure fluctuations while preventing bypass contamination.
工作原理
End caps function by creating a pressure-tight seal between the filter media and the cartridge housing through compression sealing mechanisms. They distribute incoming fluid evenly across the filter surface while containing filtered oil within the system. The caps utilize gasket interfaces and mechanical locking features to maintain seal integrity during pressure surges and vibration conditions.
材料
High-strength aluminum alloys (6061-T67075-T6) or engineered thermoplastics (PEEKPPS) with temperature resistance from -40°C to 150°C. Sealing surfaces often incorporate nitrile rubber (NBR) or fluorocarbon (FKM) gaskets with hardness 70-90 Shore A.
Seal Type
O-ring or flat gasket
Surface Finish
Ra 0.8-1.6 μm on sealing surfaces
Pressure Rating
600 psi maximum operating pressure
Temperature Range
-40°C to 150°C
Thread Specification
M30x1.5 or UNF 1-1/16-12
Dimensional Tolerance
±0.1 mm on critical features
标准
ISO 2941ISO 3724DIN 24550SAE J1124

行业分类与别名

端盖 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 torque application during installation->Thread stripping or seal compression loss->Implement calibrated torque wrenches and installation procedures with specified torque values
Thermal expansion mismatch between materials->Seal gap formation during temperature cycling->Select materials with compatible thermal expansion coefficients and design with thermal compensation features
Vibration-induced loosening->Gradual seal compression loss and leakage->Incorporate locking features such as thread-locking compounds or mechanical locking devices

工业生态与工程逻辑

0
Seal failure leading to oil leakage
1
Thread damage during installation
2
Material incompatibility with filtered fluids
3
Fatigue cracking under cyclic pressure

合规与检测

tolerance
ISO 2768-mK for general dimensions, ISO 286-2 for fit tolerances on sealing surfaces
test method
Pressure decay testing per ISO 2941, helium leak testing for critical applications, dimensional verification with CMM

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 end caps in oil filter cartridges?

End caps provide structural integrity and sealing at both ends of the filter element, preventing oil bypass and maintaining pressure containment within the filtration system.

How do I select the appropriate end cap material for my application?

Material selection depends on operating pressure, temperature, fluid compatibility, and cost considerations. Aluminum alloys offer high strength for heavy-duty applications, while engineered plastics provide chemical resistance in specialized environments.

What are common failure modes for filter end caps?

Common failures include seal degradation from thermal cycling, thread stripping from improper installation, cracking from pressure surges, and corrosion in aggressive fluid environments.

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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
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URN:CNFX:ME:UNIT:END_CAPS