行业组件数据 · 2026

注水口/盖

A fill opening and cap assembly designed for controlled liquid filling and sealing of water tanks in industrial applications.

技术定义与适配语境
典型 注水口/盖 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 precision-engineered component consisting of an opening integrated into a water tank structure and a matching cap that provides a secure, leak-proof seal. It enables controlled filling operations while preventing contamination, evaporation, and spillage. The assembly typically includes threads, gaskets, or locking mechanisms to ensure reliable closure under operational pressures and environmental conditions.

组件规格

定义
A precision-engineered component consisting of an opening integrated into a water tank structure and a matching cap that provides a secure, leak-proof seal. It enables controlled filling operations while preventing contamination, evaporation, and spillage. The assembly typically includes threads, gaskets, or locking mechanisms to ensure reliable closure under operational pressures and environmental conditions.
工作原理
The fill opening provides a designated access point for introducing water into the tank. The cap creates a mechanical seal through compression of a gasket or O-ring against a mating surface when tightened or locked. This seal prevents fluid escape and external contamination. Some designs incorporate venting features to allow air displacement during filling or thermal expansion.
材料
Common materials include: Stainless Steel (AISI 304/316 for corrosion resistance)Polypropylene (PP) or Polyethylene (PE) for chemical inertnessNBR or EPDM gaskets for sealing. Material selection depends on water quality (potable/industrial)temperature range (-20°C to 80°C typical)and pressure requirements (0-5 bar typical).
Seal Type
NBR O-ring
Thread Size
2" NPT standard
Material Grade
AISI 304 Stainless Steel
Pressure Rating
5 bar maximum
Opening Diameter
50 mm
Temperature Range
-20°C to 80°C
标准
ISO 1179-1DIN 11851

行业分类与别名

注水口/盖 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

Incorrect torque application during cap installation->Incomplete seal leading to leakage->Use calibrated torque wrenches and implement torque verification procedures
Gasket degradation from chemical exposure or aging->Seal failure and fluid loss->Regular preventive maintenance with gasket replacement schedules and material compatibility verification
Cross-threading during cap installation->Thread damage preventing proper sealing->Implement visual alignment checks and use self-aligning cap designs

工业生态与工程逻辑

0
Contamination ingress
1
Leakage due to improper sealing
2
Thread damage during installation
3
Venting failure causing vacuum or pressure buildup

合规与检测

tolerance
±0.1 mm on critical sealing surfaces, thread pitch tolerance per ISO 228-1
test method
Pressure decay test per ISO 15848, helium leak test for high-integrity applications

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 differences between threaded and quick-connect fill caps?

Threaded caps provide higher pressure sealing and vibration resistance through mechanical compression, while quick-connect caps offer faster operation with bayonet or cam-lock mechanisms but typically have lower pressure ratings.

How often should fill opening gaskets be replaced?

Gaskets should be inspected quarterly and replaced annually under normal conditions, or immediately if visible wear, cracking, or compression set is observed. More frequent replacement is needed in high-cycle or aggressive chemical environments.

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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: 注水口/盖

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URN:CNFX:ME:UNIT:FILL_OPENING_CAP