行业组件数据 · 2026

阀芯盘

A precision disc component in poppet valves that seals against the valve seat to control fluid flow.

技术定义与适配语境
典型 阀芯盘 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。

The poppet disc is a critical sealing component in poppet valves, typically a flat or slightly curved disc that mates with a corresponding valve seat. It moves axially to open or close the flow path, creating a tight seal when pressed against the seat. This component is essential for precise flow control, pressure regulation, and leak prevention in various industrial fluid systems.

组件规格

定义
The poppet disc is a critical sealing component in poppet valves, typically a flat or slightly curved disc that mates with a corresponding valve seat. It moves axially to open or close the flow path, creating a tight seal when pressed against the seat. This component is essential for precise flow control, pressure regulation, and leak prevention in various industrial fluid systems.
工作原理
The poppet disc operates on the axial movement principle. When the valve stem lifts the disc away from the seat, fluid flows through the created gap. When the stem lowers the disc against the seat, the mating surfaces create a seal that stops flow. The sealing efficiency depends on surface finish, material compatibility, and applied force.
材料
Stainless steel (304316)brassaluminum alloysengineered plastics (PTFEPEEK)or ceramic composites. Material selection depends on fluid compatibilitytemperature range (-40°C to 400°C)pressure requirements (up to 6000 psi)and corrosion resistance needs.
Diameter
5-100 mm
Hardness
HRC 40-60 (metallic)
Thickness
1-20 mm
Surface Finish
Ra 0.4-1.6 μm
Pressure Rating
Up to 6000 psi
Temperature Range
-40°C to 400°C
Flatness Tolerance
±0.01 mm
标准
ISO 17292DIN 3356ASME B16.34

行业分类与别名

阀芯盘 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

Abrasive particles in fluid->Surface scoring and reduced sealing efficiency->Install filtration systems, use hardened materials, implement regular inspection schedules
Excessive operating temperature->Material deformation or thermal stress cracking->Select temperature-resistant materials, implement cooling systems, monitor temperature limits
Improper alignment during assembly->Uneven wear and premature failure->Use precision alignment tools, follow manufacturer installation procedures, conduct alignment checks

工业生态与工程逻辑

0
Wear and tear from repeated cycling
1
Corrosion from aggressive fluids
2
Thermal expansion mismatch
3
Improper installation causing leaks
4
Material fatigue under high-cycle operations

合规与检测

tolerance
±0.01 mm flatness, ±0.02 mm diameter, surface finish Ra 0.4-1.6 μm
test method
Helium leak test (ASTM E493), pressure decay test, surface profilometry, material hardness testing

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 is the primary function of a poppet disc?

The primary function is to create a reliable seal against the valve seat to control or stop fluid flow in poppet valves.

How do I select the right material for a poppet disc?

Consider fluid compatibility, operating temperature, pressure requirements, corrosion resistance, and wear characteristics. Common choices include stainless steel for corrosive environments and PTFE for chemical resistance.

What maintenance is required for poppet discs?

Regular inspection for wear, surface damage, or deformation; cleaning to prevent contamination; and replacement when sealing performance degrades beyond acceptable limits.

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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
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

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URN:CNFX:ME:UNIT:POPPET_DISC