行业组件数据 · 2026

泵壳

Pump housing is the main structural component of a feed pump module that contains and directs fluid flow while supporting internal pump mechanisms.

技术定义与适配语境
典型 泵壳 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 pump housing is a precision-engineered casing that forms the primary enclosure for a feed pump's internal components, including impellers, shafts, and seals. It serves multiple critical functions: containing fluid pressure, directing flow through designed pathways, providing mounting surfaces for other components, and dissipating heat generated during operation. In industrial feed pump modules, the housing must maintain structural integrity under varying pressures and temperatures while minimizing fluid turbulence and energy losses.

组件规格

定义
The pump housing is a precision-engineered casing that forms the primary enclosure for a feed pump's internal components, including impellers, shafts, and seals. It serves multiple critical functions: containing fluid pressure, directing flow through designed pathways, providing mounting surfaces for other components, and dissipating heat generated during operation. In industrial feed pump modules, the housing must maintain structural integrity under varying pressures and temperatures while minimizing fluid turbulence and energy losses.
工作原理
The pump housing operates by creating a sealed chamber that converts mechanical energy from the pump driver into fluid kinetic energy. As the impeller rotates within the housing, it creates pressure differentials that force fluid through specifically designed volutes or diffusers. The housing's geometry controls flow direction, velocity, and pressure development while providing bearing support for rotating elements and sealing surfaces to prevent leakage.
材料
Typically manufactured from cast iron (ASTM A48)ductile iron (ASTM A536)stainless steel (AISI 316/304)bronze (C83600/C84400)or engineered polymers (PPPVDF) depending on application requirements. Material selection depends on fluid compatibilitypressure ratings (typically 10-600 PSI)temperature range (-20°C to 200°C)and corrosion resistance needs.
Leakage Rate
< 0.1% of flow rate
Surface Finish
Ra 3.2 μm or better
Pressure Rating
Up to 600 PSI
Connection Types
Flanged, threaded, or welded
Temperature Range
-20°C to 200°C
Dimensional Tolerance
IT7-IT8
标准
ISO 5199ISO 2858DIN EN 22858ASME B16.5

行业分类与别名

泵壳 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 from low NPSH->Pitting and erosion of housing interior->Ensure adequate NPSH margin, install pressure gauges, use cavitation-resistant materials
Thermal cycling->Cracking at stress concentration points->Use materials with matching thermal expansion, incorporate expansion joints, control temperature gradients
Chemical attack from process fluids->Corrosion and material degradation->Select compatible materials, apply protective coatings, implement corrosion monitoring

工业生态与工程逻辑

0
Cavitation damage
1
Corrosion failure
2
Thermal stress cracking
3
Improper installation leading to leaks
4
Material incompatibility with process fluids

合规与检测

tolerance
Dimensional tolerances per ISO 2768-m, pressure containment per ASME BPVC Section VIII, surface finish per ISO 1302
test method
Hydrostatic pressure testing at 1.5x design pressure, dimensional inspection with CMM, material verification through spectroscopy, NDT methods (PT, MT, UT) for defect detection

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 are the main failure modes for pump housings?

Common failures include corrosion erosion, cracking from thermal stress, seal surface degradation, and dimensional distortion from excessive pressure or improper installation.

How do I select the right pump housing material?

Material selection depends on fluid chemistry (pH, abrasives), temperature range, pressure requirements, and compatibility with other system materials. Consult manufacturer specifications and industry standards for specific applications.

What maintenance is required for pump housings?

Regular inspection for corrosion, erosion, and cracks; checking bolt torque on flanged connections; monitoring for vibration; and ensuring proper alignment during installation and operation.

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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。

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URN:CNFX:ME:UNIT:PUMP_HOUSING