行业组件数据 · 2026

O型密封圈

O-Ring Seal for industrial ceramic membrane filters providing leak-proof sealing between filter housing and element.

技术定义与适配语境
典型 O型密封圈 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 toroidal elastomeric sealing component designed to create a static or dynamic seal between the ceramic membrane filter element and its housing in industrial filtration systems. It prevents fluid bypass, maintains pressure differentials, and ensures contamination-free operation by sealing the interface between the porous ceramic element and the filter assembly.

组件规格

定义
A toroidal elastomeric sealing component designed to create a static or dynamic seal between the ceramic membrane filter element and its housing in industrial filtration systems. It prevents fluid bypass, maintains pressure differentials, and ensures contamination-free operation by sealing the interface between the porous ceramic element and the filter assembly.
工作原理
The O-ring creates a seal through elastic deformation when compressed between two mating surfaces (filter housing and ceramic element). Under system pressure, it deforms to fill microscopic imperfections, creating a barrier that prevents fluid leakage while allowing for thermal expansion and mechanical movement of the ceramic membrane.
材料
Fluoroelastomer (FKM/Viton) or Ethylene Propylene Diene Monomer (EPDM) for chemical resistanceNitrile Rubber (NBR) for oil-based applicationsPerfluoroelastomer (FFKM) for extreme chemical environments. Hardness: 70-90 Shore A. Temperature range: -40°C to 200°C depending on material.
Inner Diameter
10mm to 200mm
Compression Set
<20% after 24h at 150°C
Pressure Rating
Up to 10 MPa (static), 3 MPa (dynamic)
Temperature Range
-40°C to 200°C
Chemical Compatibility
Resistant to acids, alkalis, solvents per material selection
Cross-Section Diameter
1.5mm to 5mm
标准
ISO 3601-1DIN 3771AS 568AJIS B 2401

行业分类与别名

O型密封圈 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

Chemical incompatibility with filtered media->Swelling, cracking, or hardening of elastomer->Material selection based on chemical compatibility charts and regular inspection
Excessive compression during installation->Permanent deformation and reduced sealing force->Proper gland design with 15-30% compression and use of installation tools
Thermal cycling beyond material limits->Loss of elasticity and seal failure->Select materials with appropriate temperature range and consider thermal expansion of ceramic element

工业生态与工程逻辑

0
Chemical degradation from incompatible fluids
1
Compression set leading to permanent deformation
2
Installation damage from improper handling
3
Thermal degradation exceeding material limits
4
Incorrect sizing causing leakage or extrusion

合规与检测

tolerance
±0.10mm on cross-section, ±0.20mm on inner diameter per ISO 3601-1 Class 2
test method
Leak testing per ISO 188 (compression set), ASTM D1414 (ozone resistance), and pressure decay testing at 1.5x operating 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 material is best for O-rings in ceramic membrane filters?

FKM/Viton is recommended for most chemical filtration applications due to excellent chemical resistance. EPDM is suitable for steam or hot water applications, while FFKM is used for aggressive chemical environments.

How often should O-ring seals be replaced in ceramic filters?

Typically every 6-12 months or during routine maintenance, depending on operating conditions. Signs of replacement include visible cracks, flattening, or increased leakage.

Can O-rings handle thermal cycling in ceramic filters?

Yes, properly selected elastomers (especially FKM and EPDM) accommodate thermal expansion of ceramic elements from -40°C to 200°C while maintaining seal integrity.

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初步技术归类
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请求制造能力信息: O型密封圈

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URN:CNFX:ME:UNIT:O_RING_SEAL