行业组件数据 · 2026

弹簧激励器

Spring energizer for cryogenic seals providing constant sealing force in extreme low-temperature applications.

技术定义与适配语境
典型 弹簧激励器 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 spring energizer is a critical component in cryogenic sealing systems that maintains consistent radial pressure on seal lips through mechanical spring action, ensuring reliable sealing performance in temperatures ranging from -196°C to ambient. It compensates for thermal contraction, material shrinkage, and system pressure variations in cryogenic environments.

组件规格

定义
A spring energizer is a critical component in cryogenic sealing systems that maintains consistent radial pressure on seal lips through mechanical spring action, ensuring reliable sealing performance in temperatures ranging from -196°C to ambient. It compensates for thermal contraction, material shrinkage, and system pressure variations in cryogenic environments.
工作原理
Utilizes spring force (typically from helical or canted coil springs) to maintain constant outward radial pressure on PTFE or polymer seal lips, compensating for dimensional changes due to thermal contraction at cryogenic temperatures and ensuring continuous sealing contact with mating surfaces.
材料
Spring: 316L stainless steelInconel 718or Elgiloy alloy for corrosion resistance and low-temperature ductility. Housing: PTFEPEEKor UHMW-PE with low-temperature flexibility. Optional coatings: PTFE impregnation or plasma coating for reduced friction.
Installation
Retained groove or cartridge assembly
Spring Force
2-50 N per linear cm
Spring Types
Helical, Canted Coil, V-Spring
Compatibility
Cryogenic fluids (LN2, LOX, LNG, LHe)
Pressure Range
Vacuum to 1000 psi
Temperature Range
-196°C to +200°C
标准
ISO 3601-3DIN 3770ASME B40.100

行业分类与别名

弹簧激励器 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

Spring material fatigue from thermal cycling->Reduced sealing force leading to fluid leakage->Use fatigue-resistant alloys (Inconel/Elgiloy) and design for thermal stress relief
PTFE housing shrinkage exceeding design limits->Spring dislodgement or uneven force distribution->Precision machining with thermal expansion compensation and material testing at cryogenic temperatures

工业生态与工程逻辑

0
Spring fatigue at thermal cycling
1
Material embrittlement at cryogenic temperatures
2
Insufficient force leading to seal leakage
3
Corrosion in aggressive cryogenic fluids

合规与检测

tolerance
±0.05mm spring diameter, ±10% spring force tolerance
test method
Cryogenic cycling test per ASTM D1414, helium leak test at operating temperature

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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

Why are spring energizers necessary for cryogenic seals?

Spring energizers compensate for material shrinkage and thermal contraction at cryogenic temperatures, maintaining constant sealing force when PTFE or polymer seals contract, preventing leakage in extreme low-temperature applications.

What materials are best for cryogenic spring energizers?

316L stainless steel or Inconel springs provide optimal low-temperature ductility and corrosion resistance, while PTFE or PEEK housings maintain flexibility at cryogenic temperatures without becoming brittle.

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URN:CNFX:ME:UNIT:SPRING_ENERGIZER