行业组件数据 · 2026

径向叶片

Radial vanes are curved blades in high-pressure fish pump impellers that transfer energy from rotation to fluid flow.

技术定义与适配语境
典型 径向叶片 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。

Radial vanes are precision-engineered curved blades arranged radially around the hub of a high-pressure fish pump impeller. They convert rotational mechanical energy from the pump shaft into kinetic and pressure energy in the fluid (typically water containing fish or aquatic products). The vanes are designed with specific curvature (backward-curved, radial, or forward-curved profiles) to optimize efficiency, minimize turbulence, and handle solid-laden flows without damage to delicate biological materials.

组件规格

定义
Radial vanes are precision-engineered curved blades arranged radially around the hub of a high-pressure fish pump impeller. They convert rotational mechanical energy from the pump shaft into kinetic and pressure energy in the fluid (typically water containing fish or aquatic products). The vanes are designed with specific curvature (backward-curved, radial, or forward-curved profiles) to optimize efficiency, minimize turbulence, and handle solid-laden flows without damage to delicate biological materials.
工作原理
Radial vanes operate on centrifugal force principles. As the impeller rotates at high speed, the vanes accelerate fluid outward from the center (eye) to the periphery. The curved shape guides fluid smoothly, converting velocity into pressure while minimizing shear forces that could harm fish. The vane geometry creates pressure differentials that maintain consistent flow rates even with variable solid concentrations.
材料
Stainless steel (AISI 316L or 304)duplex stainless steel (2205)or marine-grade aluminum alloys (50526061-T6) with corrosion-resistant coatings. Must be food-safenon-toxicand resistant to saltwater corrosion. Surface finish: Ra ≤ 0.8 μm to prevent biofilm accumulation.
Flow Rate
50-500 m³/h
Thickness
3-8 mm
Vane Angle
15-30° (backward-curved)
Vane Count
5-9 blades
Tip Clearance
0.5-1.5 mm
Rotational Speed
500-3000 RPM
Operating Pressure
Up to 15 bar
标准
ISO 5199ISO 2858DIN 24256

行业分类与别名

径向叶片 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

Cavitation due to low inlet pressure->Pitting erosion on vane surfaces->Ensure adequate NPSH, install pressure sensors, use cavitation-resistant materials
Corrosion in saltwater environments->Material degradation and leakage->Use duplex stainless steel, apply protective coatings, implement cathodic protection
Fatigue from cyclic loading->Crack propagation at stress concentrations->Optimize fillet radii, perform stress analysis, use shot peening

工业生态与工程逻辑

0
Cavitation damage from improper NPSH
1
Fatigue cracking at weld joints
2
Biofouling reducing efficiency
3
Imbalance causing vibration

合规与检测

tolerance
±0.1 mm on critical dimensions, angular tolerance ±0.5°
test method
Hydrostatic pressure testing per ISO 5199, material certification per ASTM A240, surface roughness verification

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

Why are radial vanes backward-curved in fish pumps?

Backward-curved vanes provide stable pressure-flow characteristics, reduce turbulence, and minimize shear forces that could injure fish during transport.

How do radial vanes handle solid particles in fish pumps?

The smooth curvature and optimized tip clearances allow passage of fish and debris without clogging, while wear-resistant materials prevent erosion damage.

What maintenance do radial vanes require?

Regular inspection for corrosion, biofilm buildup, and wear at vane tips. Cleaning with food-safe solutions and checking balance during service intervals.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

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。

请求制造能力信息: 径向叶片

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 径向叶片?

对比具备该组件加工或装配能力的制造商资料。

创建制造商档案 联系我们
上一个组件
弹簧(如适用)
下一个组件
径向支撑梁/辐条
URN:CNFX:ME:UNIT:RADIAL_VANES