行业组件数据 · 2026

流体端口

A fluid port is a standardized connection interface in hydraulic accumulators that enables fluid transfer, pressure control, and system integration.

技术定义与适配语境
典型 流体端口 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 fluid port is a critical hydraulic component designed as a precisely machined interface that connects accumulators to hydraulic systems. It facilitates the controlled flow of hydraulic fluid, maintains pressure integrity, and provides connection points for pressure gauges, valves, and other system components. Engineered to withstand high-pressure environments, fluid ports ensure leak-free operation and system reliability through standardized threading and sealing mechanisms.

组件规格

定义
A fluid port is a critical hydraulic component designed as a precisely machined interface that connects accumulators to hydraulic systems. It facilitates the controlled flow of hydraulic fluid, maintains pressure integrity, and provides connection points for pressure gauges, valves, and other system components. Engineered to withstand high-pressure environments, fluid ports ensure leak-free operation and system reliability through standardized threading and sealing mechanisms.
工作原理
Fluid ports operate on the principle of creating a sealed, pressure-resistant interface between hydraulic components. They utilize precision threading (such as NPT, BSP, or SAE standards) and sealing elements (O-rings, gaskets, or metal-to-metal seals) to maintain fluid containment. When connected, the port aligns fluid pathways, allowing hydraulic fluid to flow while preventing leaks and pressure loss through mechanical compression and seal deformation.
材料
Carbon steel (ASTM A106 Grade B)stainless steel (AISI 316L)brass (C36000)aluminum alloy (6061-T6)with surface treatments like zinc platingnickel platingor passivation for corrosion resistance.
Port Type
SAE Straight Thread O-ring Boss (ORB), NPT, BSPP, BSPT
Seal Type
O-ring (NBR, FKM, EPDM), metal crush gasket
Thread Size
1/4" to 2" NPT, M10x1.0 to M42x2.0 metric
Surface Finish
Ra 0.8 to 1.6 μm (32 to 63 μin)
Pressure Rating
3000 to 6000 psi (207 to 414 bar)
Temperature Range
-40°C to 120°C (-40°F to 248°F)
标准
ISO 11926DIN 3852SAE J514ANSI B1.20.1

行业分类与别名

流体端口 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

Improper installation torque->Thread damage or seal compression failure->Use calibrated torque wrenches and follow manufacturer specifications
Material incompatibility with hydraulic fluid->Corrosion or seal degradation->Verify material-fluid compatibility charts before selection
Vibration-induced loosening->Gradual connection failure and leakage->Use thread locking compounds or safety wire where applicable

工业生态与工程逻辑

0
Thread stripping from over-torquing
1
Leakage due to improper sealing
2
Corrosion in aggressive environments
3
Cross-threading during installation
4
Pressure rating exceedance

合规与检测

tolerance
Thread pitch diameter tolerance: ±0.003" for NPT, ±0.0015" for SAE; Surface finish: Ra 0.8-1.6 μm
test method
Pressure testing per ISO 4413, leak testing with helium mass spectrometry, dimensional verification with thread gauges, material certification per ASTM 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

What is the difference between NPT and SAE fluid ports?

NPT (National Pipe Taper) ports use tapered threads that seal through thread deformation, while SAE ports use straight threads with O-rings for sealing, providing more reliable leak prevention in high-pressure applications.

How do I select the right fluid port material for my application?

Select carbon steel for general industrial use, stainless steel for corrosive environments, brass for lower pressure applications, and aluminum for weight-sensitive applications. Consider fluid compatibility and operating pressure.

What maintenance is required for fluid ports?

Regular inspection for leaks, thread damage, and corrosion; periodic replacement of O-rings or gaskets; proper torque application during installation; and cleaning of sealing surfaces before assembly.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

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:FLUID_PORT