行业组件数据 · 2026

排水口

A drain port is a specialized outlet in filter housings designed for controlled removal of accumulated liquids, sediments, or contaminants during maintenance or operation.

技术定义与适配语境
典型 排水口 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 drain port is an engineered component integrated into filter housing assemblies, featuring a threaded or flanged connection point that allows for the systematic evacuation of residual fluids, particulate matter, or separated phases (like water in fuel filters). It typically includes a valve or plug mechanism to enable opening during draining procedures and secure sealing during normal filtration operation, preventing leaks and maintaining system integrity. Common in pressure vessels and filter housings across industries, it facilitates maintenance, reduces downtime, and enhances filtration efficiency by removing unwanted accumulations.

组件规格

定义
A drain port is an engineered component integrated into filter housing assemblies, featuring a threaded or flanged connection point that allows for the systematic evacuation of residual fluids, particulate matter, or separated phases (like water in fuel filters). It typically includes a valve or plug mechanism to enable opening during draining procedures and secure sealing during normal filtration operation, preventing leaks and maintaining system integrity. Common in pressure vessels and filter housings across industries, it facilitates maintenance, reduces downtime, and enhances filtration efficiency by removing unwanted accumulations.
工作原理
The drain port operates on a simple on-off principle: when opened (manually or automatically), it creates a low-pressure pathway for fluids to exit the filter housing due to gravity or system pressure, allowing drainage of contaminants; when closed, it forms a pressure-tight seal to maintain the housing's internal environment and prevent fluid loss or contamination ingress.
材料
Typically made from corrosion-resistant materials such as stainless steel (e.g.SS304SS316)brassor engineered plastics (e.g.PVCpolypropylene)chosen based on fluid compatibilitypressure ratingsand environmental conditions.
Size
Commonly 1/4" to 1" NPT or metric equivalents
Valve Type
Manual ball valve, needle valve, or automatic drain valve
Connection Type
Threaded (e.g., NPT, BSP), flanged, or quick-disconnect
Pressure Rating
Up to 150 psi (10 bar) standard, higher for specialized applications
Temperature Range
-20°C to 120°C, depending on material
标准
ISO 1179DIN 3852ASME B1.20.1

行业分类与别名

排水口 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

Worn or damaged sealing surfaces->Fluid leakage from the drain port->Regular inspection and replacement of seals; use of thread sealants or gaskets per specifications
Exposure to corrosive chemicals->Material degradation and port failure->Select corrosion-resistant materials; implement protective coatings or routine cleaning
Improper installation or over-tightening->Thread stripping or housing damage->Follow torque specifications; use proper tools and installation procedures

工业生态与工程逻辑

0
Leakage due to improper sealing
1
Corrosion from incompatible fluids
2
Clogging from particulate buildup
3
Mechanical failure under overpressure

合规与检测

tolerance
Thread tolerances per ISO 1179 or ASME B1.20.1; sealing surfaces within ±0.1 mm flatness
test method
Pressure testing per ISO 15848 for leak-tightness; material certification per ASTM standards

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 a drain port in a filter housing?

The primary function is to allow controlled removal of accumulated liquids, sediments, or contaminants from the filter housing, facilitating maintenance and ensuring optimal filtration performance.

How do I select the right drain port material?

Select based on fluid compatibility (e.g., corrosive fluids require stainless steel), pressure and temperature conditions, and industry standards; consult manufacturer specifications for guidance.

Can drain ports be automated?

Yes, automatic drain valves (e.g., solenoid or float-based) are available for applications requiring frequent or remote drainage, reducing manual intervention.

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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:DRAIN_PORT