行业组件数据 · 2026

真空端口

Vacuum ports are specialized openings in vacuum processing chambers that enable connection to external vacuum systems, pumps, or instrumentation for pressure control and monitoring.

技术定义与适配语境
典型 真空端口 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。

Vacuum ports are precision-engineered interface components integrated into vacuum processing chambers, designed to maintain ultra-high vacuum integrity while providing access points for pumping systems, pressure gauges, leak detectors, and other vacuum instrumentation. These ports feature standardized flange connections with specialized sealing mechanisms to prevent atmospheric contamination and ensure consistent vacuum levels during industrial processes.

组件规格

定义
Vacuum ports are precision-engineered interface components integrated into vacuum processing chambers, designed to maintain ultra-high vacuum integrity while providing access points for pumping systems, pressure gauges, leak detectors, and other vacuum instrumentation. These ports feature standardized flange connections with specialized sealing mechanisms to prevent atmospheric contamination and ensure consistent vacuum levels during industrial processes.
工作原理
Vacuum ports operate by providing a sealed transition between the vacuum chamber interior and external systems. They utilize precision-machined flanges with elastomeric or metal gaskets that compress under bolt torque to create vacuum-tight seals. The port geometry minimizes conductance restrictions while maintaining structural integrity under pressure differentials, allowing efficient gas evacuation and process monitoring without compromising vacuum quality.
材料
Stainless steel (304316L)aluminum alloys (6061-T6)with optional electropolishing or passivation. Sealing surfaces typically use VitonKalrezor copper gaskets for high-vacuum applications.
Leak Rate
< 1×10^-9 mbar·L/s
Port Size
DN16 to DN200
Flange Type
KF/QF, ISO, CF
Surface Finish
Ra ≤ 0.8 μm
Pressure Rating
10^-9 to 10^-3 mbar
Temperature Range
-200°C to 450°C
标准
ISO 2861DIN 28400ISO 1609

行业分类与别名

真空端口 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

Incorrect gasket installation or damaged sealing surface->Vacuum leak exceeding allowable rate->Implement torque-controlled installation procedures, regular visual inspection of sealing surfaces, and scheduled gasket replacement
Thermal expansion mismatch between port and chamber materials->Seal failure during temperature cycling->Use compatible thermal expansion materials, incorporate flexible bellows sections, and implement controlled temperature ramping protocols

工业生态与工程逻辑

0
Gasket failure under thermal cycling
1
Improper installation causing vacuum leaks
2
Material outgassing contaminating vacuum environment
3
Corrosion in aggressive process atmospheres

合规与检测

tolerance
Flange flatness ≤ 0.05 mm, surface roughness Ra ≤ 0.8 μm, dimensional tolerance per ISO 2861
test method
Helium mass spectrometer leak detection per ASTM E493, pressure decay testing, residual gas analysis

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 vacuum port connections?

The three primary types are KF/QF (quick flange) for medium vacuum, ISO (large flange) for high vacuum systems, and CF (ConFlat) for ultra-high vacuum applications requiring metal gasket seals.

How do you ensure vacuum integrity at port connections?

Vacuum integrity is maintained through precision-machined sealing surfaces, proper gasket selection (elastomeric or metal), controlled bolt torque patterns, and helium leak testing to verify leak rates below specified thresholds.

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 · 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:VACUUM_PORTS