行业组件数据 · 2026

阀门或闸门体

A valve or gate body is the main housing component in release mechanisms that controls fluid flow through internal passages and sealing surfaces.

技术定义与适配语境
典型 阀门或闸门体 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 valve or gate body serves as the primary structural element in release mechanisms, containing internal flow channels, mounting interfaces for actuators, and precision-machined sealing surfaces. It directs and regulates fluid movement while withstanding operational pressures and environmental conditions. Critical dimensions include port sizes, flange configurations, and internal bore geometry that determine flow characteristics and compatibility with other system components.

组件规格

定义
The valve or gate body serves as the primary structural element in release mechanisms, containing internal flow channels, mounting interfaces for actuators, and precision-machined sealing surfaces. It directs and regulates fluid movement while withstanding operational pressures and environmental conditions. Critical dimensions include port sizes, flange configurations, and internal bore geometry that determine flow characteristics and compatibility with other system components.
工作原理
The body provides a sealed pathway for fluid flow, with internal geometry designed to minimize turbulence and pressure drop. When actuated, internal components (gates, balls, or discs) move within the body to open, close, or modulate flow. The body's material and construction determine its pressure rating, temperature tolerance, and chemical compatibility with process fluids.
材料
Common materials include ASTM A216 WCB (carbon steel)ASTM A351 CF8M (stainless steel)ductile iron (ASTM A536)brass (C36000)and engineered polymers (PTFE-reinforced). Material selection depends on pressure class (ANSI 150-2500)temperature range (-50°C to 400°C)and corrosion resistance requirements.
Port Size
DN15 to DN600
Face-to-Face
ASME B16.10
Leakage Class
ANSI/FCI 70-2 Class IV-VI
End Connections
Flanged (ASME B16.5), Threaded (NPT, BSP), Welded
Pressure Rating
ANSI 150-900
Temperature Range
-29°C to 425°C
标准
ISO 5208API 598ASME B16.34DIN EN 12266-1

行业分类与别名

阀门或闸门体 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 material selection for corrosive media->Wall thinning and catastrophic rupture->Material compatibility analysis per NACE MR0175 and regular thickness monitoring
Cyclic pressure loading exceeding fatigue limits->Crack initiation at stress concentration points->Finite element analysis during design, pressure cycling testing, and regular visual inspection
Improper installation alignment->Distortion and sealing surface damage->Use of alignment tools during installation, torque-controlled bolting procedures

工业生态与工程逻辑

0
Cavitation damage
1
Stress corrosion cracking
2
Erosion from particulate matter
3
Thermal expansion mismatch
4
Gasket failure at flange connections

合规与检测

tolerance
±0.1mm on critical bore dimensions, Ra 0.8μm on sealing surfaces
test method
Hydrostatic shell test at 1.5x rated pressure, seat leakage test per API 598

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 determines the pressure rating of a valve body?

Pressure rating is determined by material strength, wall thickness, design standards (ASME B16.34), and manufacturing quality controls including non-destructive testing.

How are valve bodies tested for leakage?

Standardized hydrostatic and pneumatic tests per API 598 or ISO 5208 verify seat and shell leakage rates at specified test pressures.

Can valve bodies be repaired or re-machined?

Limited repair is possible for surface defects, but critical dimensions like sealing surfaces must maintain original tolerances; major damage typically requires replacement.

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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。

请求制造能力信息: 阀门或闸门体

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URN:CNFX:ME:UNIT:GATE_OR_VALVE_BODY