行业组件数据 · 2026

闸门/闭合板

A gate/closure plate is a critical sealing component in discharge valves/gates that controls material flow in industrial systems.

技术定义与适配语境
典型 闸门/闭合板 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 gate/closure plate is a flat or shaped metal plate that moves linearly or rotates within a discharge valve or gate assembly to open, close, or regulate the flow of bulk materials, powders, liquids, or gases in industrial processes. It creates a tight seal against the valve body to prevent leakage when closed and withstands pressure differentials, abrasion, and operational stresses.

组件规格

定义
A gate/closure plate is a flat or shaped metal plate that moves linearly or rotates within a discharge valve or gate assembly to open, close, or regulate the flow of bulk materials, powders, liquids, or gases in industrial processes. It creates a tight seal against the valve body to prevent leakage when closed and withstands pressure differentials, abrasion, and operational stresses.
工作原理
The gate/closure plate operates by translational or rotational motion driven by an actuator (manual, pneumatic, hydraulic, or electric). When positioned across the flow path, it blocks material discharge; when retracted or rotated away, it allows flow. Precision alignment and sealing surfaces ensure leak-tight closure under system pressure.
材料
Typically carbon steel (A361045)stainless steel (304316)alloy steelor abrasion-resistant steel (AR400/500). Coatings like hard chrometungsten carbideor ceramic overlays may be applied for wear resistance. Gaskets or seals (rubberPTFE) are used for sealing.
Width
200-1000 mm
Height
300-1500 mm
Thickness
10-50 mm
Surface Finish
Ra 1.6-3.2 μm
Temperature Range
-20°C to 200°C
Flatness Tolerance
±0.1 mm/m
Operating Pressure
Up to 10 bar
标准
ISO 5752DIN 3352ASME B16.34

行业分类与别名

闸门/闭合板 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

Abrasive material flow->Excessive wear on plate surface leading to leakage->Use hardened or coated materials; implement regular wear inspections
Actuator malfunction->Plate stuck in open/closed position causing process disruption->Install backup actuators; conduct preventive maintenance on drive systems
Thermal expansion mismatch->Binding or distortion under temperature changes->Design with thermal clearance; use materials with similar expansion coefficients

工业生态与工程逻辑

0
Wear and abrasion from particulate materials
1
Corrosion in harsh chemical environments
2
Misalignment causing leakage or jamming
3
Fatigue failure from cyclic loading
4
Seal degradation over time

合规与检测

tolerance
Dimensional tolerances per ISO 2768-m, flatness within 0.1% of plate dimensions
test method
Pressure testing per ISO 5208, leak testing with helium or soap bubble method, wear testing per ASTM G65

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 a gate/closure plate?

To provide a reliable sealing surface that opens or closes the flow path in discharge valves, ensuring controlled material handling and preventing leaks.

How do you select the right material for a gate/closure plate?

Based on the application's abrasion, corrosion, pressure, and temperature requirements—e.g., stainless steel for corrosive environments, hardened steel for abrasive materials.

What maintenance is required for gate/closure plates?

Regular inspection for wear, alignment checks, lubrication of moving parts, and replacement of seals or coatings to maintain performance and prevent failure.

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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。

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URN:CNFX:ME:UNIT:GATE_CLOSURE_PLATE