行业组件数据 · 2026

进出口端口

Vacuum pump inlet/outlet ports are precision-engineered connection points that control fluid flow into and out of vacuum systems.

技术定义与适配语境
典型 进出口端口 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。

Inlet/outlet ports in vacuum pumps are critical interface components designed to connect the pump to external systems, ensuring controlled intake of gases/vapors and exhaust of processed media. These ports maintain vacuum integrity while allowing connection to piping, chambers, or other equipment through standardized flanges or threaded fittings. They are engineered to minimize pressure drops, prevent leaks, and withstand operational stresses including thermal cycling and chemical exposure.

组件规格

定义
Inlet/outlet ports in vacuum pumps are critical interface components designed to connect the pump to external systems, ensuring controlled intake of gases/vapors and exhaust of processed media. These ports maintain vacuum integrity while allowing connection to piping, chambers, or other equipment through standardized flanges or threaded fittings. They are engineered to minimize pressure drops, prevent leaks, and withstand operational stresses including thermal cycling and chemical exposure.
工作原理
Inlet ports create a controlled pathway for gases/vapors to enter the pump's compression chamber, while outlet ports expel processed media after compression. Both function by maintaining airtight seals through gaskets or O-rings, with geometries optimized to reduce turbulence and backflow. Port sizing and design directly influence pump efficiency by minimizing flow resistance and maintaining consistent pressure differentials.
材料
Stainless steel (304/316)aluminum alloysbrassor engineered plastics (PTFEPEEK) depending on chemical compatibility and pressure requirements. Seals typically use VitonEPDMor silicone O-rings.
Port Type
Flanged/Threaded
Size Range
DN16 to DN160
Pressure Rating
10^-6 to 10^3 mbar
Temperature Range
-20°C to 150°C
Connection Standard
ISO-KF, CF, NPT, BSP
标准
ISO 2861DIN 28403ISO 1609

行业分类与别名

进出口端口 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

Seal material incompatibility with process media->Vacuum loss and system contamination->Use chemically resistant seals (e.g., FFKM for aggressive chemicals) and implement regular leak testing
Improper torque during flange assembly->Distortion or cracking of port fittings->Use calibrated torque wrenches and follow manufacturer specifications for bolt tightening sequences

工业生态与工程逻辑

0
Leak development from seal degradation
1
Corrosion from aggressive media
2
Mechanical damage during connection/disconnection
3
Contamination from improper cleaning

合规与检测

tolerance
Leak rate <1x10^-9 mbar·L/s, surface finish Ra ≤0.8μm for metal seals
test method
Helium leak detection per ISO 3530, pressure decay testing

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's the difference between ISO-KF and CF flange connections?

ISO-KF (Klein Flange) uses a clamp and O-ring for quick connections up to DN50, while CF (ConFlat) uses a metal gasket and bolts for ultra-high vacuum applications with better leak-tightness.

How often should port seals be replaced?

O-rings and gaskets should be inspected quarterly and replaced annually or when leaks exceed 1x10^-9 mbar·L/s, depending on operational cycles and media compatibility.

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初步技术归类
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URN:CNFX:ME:UNIT:INLET_OUTLET_PORT