行业组件数据 · 2026

垫片

Gaskets are mechanical seals that fill the space between two mating surfaces to prevent leakage under compression.

技术定义与适配语境
典型 垫片 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。

Gaskets are critical sealing components used in flange and holder assemblies to create a static seal between two stationary surfaces. They compensate for surface irregularities, prevent fluid or gas leakage, and maintain pressure integrity in mechanical systems. In industrial applications, they ensure operational safety and efficiency by sealing joints against environmental contaminants and internal media.

组件规格

定义
Gaskets are critical sealing components used in flange and holder assemblies to create a static seal between two stationary surfaces. They compensate for surface irregularities, prevent fluid or gas leakage, and maintain pressure integrity in mechanical systems. In industrial applications, they ensure operational safety and efficiency by sealing joints against environmental contaminants and internal media.
工作原理
Gaskets work by deforming under compressive load to fill microscopic imperfections on mating surfaces, creating a tight seal. The applied bolt load compresses the gasket material, causing it to flow into surface irregularities and form a barrier against fluid or gas passage. Proper gasket selection ensures adequate sealing stress while preventing over-compression that could damage the assembly.
材料
Common materials include: Non-asbestos fiber (NAF)graphitePTFE (Teflon)rubber (EPDMNitrileSilicone)metal (stainless steelcopper)and composite materials. Material selection depends on temperature range (-50°C to 1000°C)pressure (vacuum to 300 bar)chemical compatibilityand media type.
Thickness
0.5-6.0 mm
Compression Set
<20%
Pressure Rating
Up to 300 bar
Tensile Strength
5-50 MPa
Temperature Range
-50°C to 450°C
标准
ISO 9001DIN 2690ASME B16.21EN 1514

行业分类与别名

垫片 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 bolt torque->Leakage at flange joint->Follow torque specifications and sequence; use calibrated tools; re-torque after initial heat cycles
Chemical incompatibility->Gasket material degradation and seal loss->Select chemically resistant materials; verify compatibility charts; conduct material testing

工业生态与工程逻辑

0
Leakage due to improper installation
1
Material degradation from chemical exposure
2
Over-compression leading to gasket blowout
3
Thermal cycling causing fatigue failure

合规与检测

tolerance
±0.1 mm thickness, ±0.5 mm inner/outer diameter
test method
ASTM F36 for compressibility, ASTM F586 for leak rate, ISO 15592 for sealing performance under pressure

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 factors determine gasket selection?

Selection depends on operating temperature, pressure, media compatibility, flange surface finish, bolt load, and required sealing performance. Material must resist chemical attack and maintain elasticity under compression.

How do you prevent gasket failure?

Ensure proper surface preparation, correct bolt torque sequence, adequate gasket compression, and material compatibility with operating conditions. Regular inspection for signs of creep, blowout, or chemical degradation is essential.

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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:GASKETS