行业组件数据 · 2026

连接管道

Connection piping for conservator tanks that regulates oil volume and pressure in transformer systems.

技术定义与适配语境
典型 连接管道 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。

Connection piping is a critical component in conservator tank systems for power transformers, designed to facilitate the controlled flow of insulating oil between the main transformer tank and the conservator. This piping system accommodates thermal expansion and contraction of oil, maintains proper oil levels, prevents moisture ingress, and ensures pressure equilibrium. It typically includes straight pipes, elbows, flanges, valves, and expansion joints configured to handle specific flow rates, pressures, and environmental conditions.

组件规格

定义
Connection piping is a critical component in conservator tank systems for power transformers, designed to facilitate the controlled flow of insulating oil between the main transformer tank and the conservator. This piping system accommodates thermal expansion and contraction of oil, maintains proper oil levels, prevents moisture ingress, and ensures pressure equilibrium. It typically includes straight pipes, elbows, flanges, valves, and expansion joints configured to handle specific flow rates, pressures, and environmental conditions.
工作原理
Connection piping operates on fluid dynamics principles to manage transformer oil circulation. During operation, temperature changes cause oil expansion/contraction, moving through the piping to/from the conservator. The system maintains hydraulic balance, prevents vacuum formation, and allows for oil sampling/maintenance. Proper slope and diameter ensure smooth flow while minimizing pressure drops and turbulence.
材料
ASTM A106 Grade B carbon steel pipesASTM A105 flangesASTM A234 WPB fittings. Internal coating: epoxy or phenolic resin for corrosion resistance. Optional: stainless steel (AISI 304/316) for corrosive environments. Gaskets: nitrile rubber or PTFE. Bolting: ASTM A193 B7.
Flow Rate
10-100 L/min
Surface Finish
RA 40 μm max
Wall Thickness
Schedule 40-80
Connection Type
Flanged (ANSI B16.5)
Pressure Rating
150-300 PSI
Nominal Diameter
50-200 mm
Temperature Range
-20°C to 100°C
标准
ISO 14692DIN 2448ASME B31.3

行业分类与别名

连接管道 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

Corrosion from moisture or chemical exposure->Pipe wall thinning and eventual leakage->Regular coating inspection, cathodic protection, and controlled environment maintenance
Thermal cycling stress->Fatigue cracks at welded joints->Proper expansion joint installation, stress analysis during design, and periodic NDT testing
Improper flange alignment->Gasket failure and oil leakage->Laser alignment during installation, torque-controlled bolting, and regular flange inspections

工业生态与工程逻辑

0
Corrosion leading to leaks
1
Improper installation causing flow restrictions
2
Material incompatibility with transformer oil
3
Thermal stress fractures

合规与检测

tolerance
Diameter: ±1%, Wall thickness: +12.5%/-0%, Straightness: 1 mm/m
test method
Hydrostatic testing at 1.5x operating pressure for 30 minutes, ultrasonic thickness measurement, dye penetrant inspection

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 connection piping in conservator tanks?

To safely transport insulating oil between the main transformer and conservator during thermal cycles, maintaining proper oil levels and pressure equilibrium.

How often should connection piping be inspected?

Visual inspections quarterly, with comprehensive testing including pressure and leak checks during annual transformer maintenance.

Can existing piping be retrofitted for different transformer models?

Yes, with proper engineering assessment of diameter, pressure rating, and material compatibility with the specific transformer system.

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URN:CNFX:ME:UNIT:CONNECTION_PIPING