A precision sealing element in inlet/outlet valves that regulates fluid flow by rotating or lifting to open/close the flow path.
The valve disc or ball is the primary sealing and flow-regulating component within inlet and outlet valves. It functions as a movable element that interfaces with the valve seat to create a tight seal when closed and provides controlled flow passage when open. In ball valves, it's a spherical element with a through-hole; in disc valves, it's a flat or tapered plate that rotates or lifts perpendicular to the flow direction. This component directly determines valve performance metrics including shut-off capability, flow coefficient (Cv), pressure drop, and service life.
该组件会出现在以下整机或工业产品中。
诱因 → 失效模式 → 工程缓解
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。
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。
A valve disc is typically a flat or tapered plate that rotates or lifts perpendicular to flow (common in butterfly or globe valves), while a valve ball is spherical with a through-hole that rotates 90° to align with flow (exclusive to ball valves). Discs offer better throttling control; balls provide faster operation and higher flow capacity.
Material selection depends on fluid compatibility, pressure-temperature conditions, and wear resistance. Use stainless steel for corrosive fluids, carbon steel for high-pressure steam, and coated/elastomer-seated versions for bubble-tight sealing. Always verify against industry standards like NACE MR0175 for sour service.
CNFX 是开放目录，不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。
CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。
说明目标数量、应用场景、交期和关键技术要求，用于准备 RFQ 或供应商评估。