行业组件数据 · 2026

排水口

A drain outlet is a precision-engineered component designed for controlled fluid discharge from water collection tanks in industrial systems.

技术定义与适配语境
典型 排水口 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 drain outlet is a critical fluid handling component integrated into water collection tanks to facilitate the controlled, efficient, and complete evacuation of accumulated liquids. It typically consists of a threaded or flanged connection point, often incorporating a valve mechanism (such as a ball, gate, or butterfly valve) or a simple plug. Its primary function is to prevent stagnation, allow for system maintenance, cleaning, and sampling, and ensure operational continuity by managing tank drainage without disrupting upstream processes.

组件规格

定义
A drain outlet is a critical fluid handling component integrated into water collection tanks to facilitate the controlled, efficient, and complete evacuation of accumulated liquids. It typically consists of a threaded or flanged connection point, often incorporating a valve mechanism (such as a ball, gate, or butterfly valve) or a simple plug. Its primary function is to prevent stagnation, allow for system maintenance, cleaning, and sampling, and ensure operational continuity by managing tank drainage without disrupting upstream processes.
工作原理
The drain outlet operates on the principle of creating a sealed, controllable opening at the lowest point of a water collection tank. When opened (manually or automatically via an actuator), it utilizes gravitational force or system pressure differential to discharge the contained fluid through connected piping. The design ensures minimal residual liquid retention and often includes features to prevent clogging or backflow.
材料
Common materials include 304 or 316 Stainless Steel (for corrosion resistance in food/beverage/chemical applications)Carbon Steel (with protective coatings for general industry)Brassor engineered plastics like PVCPPor PVDF for specific chemical compatibility. Gaskets/seals are typically EPDMVitonor PTFE.
Valve Type
Ball Valve, Gate Valve, Drain Plug (optional)
Nominal Size
DN15 to DN100 (1/2" to 4")
Seal Material
EPDM, FKM/Viton, PTFE
Connection Type
NPT Thread, BSP Thread, Flanged (ANSI/ DIN)
Pressure Rating
PN10 to PN40 (150 PSI to 300 PSI typical)
Temperature Range
-20°C to +120°C (material dependent)
标准
ISO 5211ISO 5752DIN 11866ASME B16.5ASME B1.20.1

行业分类与别名

排水口 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

Degradation of seal/gasket material due to chemical attack, temperature cycling, or aging.->Fluid leakage at the connection point, leading to product loss, safety hazards, or environmental contamination.->Implement regular preventive maintenance schedules for seal inspection/replacement; use chemically compatible seal materials; ensure proper installation torque.
Accumulation of solid particles, scale, or biological growth within the outlet or valve.->Partial or complete blockage, preventing drainage and potentially causing tank overflow or operational downtime.->Install inline strainers or filters upstream; design outlets with full-port valves for minimal flow restriction; implement regular cleaning cycles.
Galvanic or chemical corrosion of the outlet body, especially at weld points or threads.->Structural weakening, pinhole leaks, or catastrophic failure under pressure.->Select corrosion-resistant materials (e.g., 316SS, plastics) suited to the process fluid; apply protective coatings; implement cathodic protection if applicable.

工业生态与工程逻辑

0
Leakage due to seal failure or improper installation
1
Clogging from debris or sediment accumulation
2
Corrosion from incompatible fluid chemistry
3
Incomplete drainage leading to bacterial growth or contamination
4
Mechanical failure of the valve mechanism

合规与检测

tolerance
Dimensional tolerances per relevant ISO/DIN/ASME standards for threads and flanges; surface finish Ra ≤ 0.8 μm for hygienic applications (e.g., EHEDG compliance).
test method
Pressure testing per ISO 15848 (fugitive emissions) or ASME B16.34; material certification per ASTM/EN standards; cleanability testing per EHEDG or 3-A Sanitary Standards where applicable.

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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 purpose of a drain outlet on a water collection tank?

Its primary purpose is to provide a controlled point for complete drainage of accumulated liquid to facilitate maintenance, cleaning, prevent sediment buildup, and allow for system sampling or emergency discharge.

How do I select the right material for a drain outlet?

Material selection depends on the fluid's chemical properties (pH, corrosiveness), temperature, pressure, and industry hygiene requirements (e.g., stainless steel for food-grade applications, plastics for aggressive chemicals).

Can a drain outlet be automated?

Yes, drain outlets can be automated by integrating actuated valves (electric, pneumatic, or hydraulic) controlled by timers, level sensors, or PLC systems for scheduled or demand-based drainage.

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URN:CNFX:ME:UNIT:DRAIN_OUTLET