行业组件数据 · 2026

主唇形密封圈

Primary lip seal for vacuum pumps in meat processing equipment, preventing contamination and maintaining vacuum integrity.

技术定义与适配语境
典型 主唇形密封圈 会按材料、尺寸公差、适配关系和失效风险在 食品制造 中评估。

A precision-engineered radial lip seal designed specifically for vacuum pump applications in meat processing machinery. It creates a dynamic barrier between rotating shafts and stationary housings, preventing air ingress, fluid leakage, and contamination in hygienic food processing environments. The seal maintains consistent vacuum pressure while withstanding temperature variations, mechanical stress, and cleaning chemicals.

组件规格

定义
A precision-engineered radial lip seal designed specifically for vacuum pump applications in meat processing machinery. It creates a dynamic barrier between rotating shafts and stationary housings, preventing air ingress, fluid leakage, and contamination in hygienic food processing environments. The seal maintains consistent vacuum pressure while withstanding temperature variations, mechanical stress, and cleaning chemicals.
工作原理
The seal operates through elastic deformation of its lip against the rotating shaft, creating controlled radial pressure. This pressure forms a thin lubricating film while maintaining sealing contact. In vacuum applications, it prevents atmospheric air from entering the pump chamber while allowing minimal lubricant migration toward the vacuum side, ensuring stable pressure differentials.
材料
FDA-compliant nitrile rubber (NBR) with food-grade additivesAlternative: Fluorocarbon (FKM/Viton) for high-temperature applicationsReinforcement: Aramid fiber or metal spring for lip tensionHardness: 70-80 Shore ATemperature range: -40°C to +120°C (NBR)-20°C to +200°C (FKM).
Speed
Max 15 m/s
Pressure
0.1 bar (vacuum) to 0.5 bar
Housing Bore
Standard DIN 3760/ISO 6194
Lip Pressure
0.15-0.35 N/mm
Vacuum Rating
Up to 0.1 mbar
Shaft Diameter
10-50 mm
Life Expectancy
3000-5000 operating hours
标准
ISO 6194DIN 3760FDA 21 CFR 177.2600EU 10/2011

行业分类与别名

主唇形密封圈 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

Lip hardening from heat or chemical exposure->Reduced elasticity leading to vacuum leakage->Use high-temperature FKM material; implement cooling systems; verify chemical compatibility
Abrasive wear from particulate contamination->Increased clearance causing pressure loss->Install upstream filtration; use dual-lip designs; maintain clean operating environment

工业生态与工程逻辑

0
Contamination from seal degradation
1
Vacuum loss due to lip wear
2
Shaft damage from improper installation
3
Chemical incompatibility with cleaning agents

合规与检测

tolerance
Shaft diameter ±0.1 mm; Housing bore H8; Radial runout <0.05 mm
test method
Helium leak test per ISO 20484; Pressure decay test; Material migration test per FDA 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

How often should primary lip seals be replaced in meat processing vacuum pumps?

Replacement intervals depend on operating conditions but typically range from 6-12 months. Factors include cleaning frequency, temperature exposure, and mechanical load. Regular inspection for wear, hardening, or leakage is recommended.

Can these seals withstand daily cleaning with caustic solutions?

Yes, when made from chemical-resistant materials like FKM. Standard NBR seals tolerate mild detergents but may degrade with strong alkalis. Always verify material compatibility with your cleaning protocols.

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CNFX Industrial Component Index · 食品制造

数据基础

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