结构特点
a welded bellows element around the stem; confirm its sealing arrangement and the backup packing for the selected design

最终尺寸、材质、压力等级及随附文件以确认的配置为准。
闸阀 / LIANGGU
Bellows Seal Gate Valve
本产品为闸阀,阀杆周围设有焊接波纹管元件。密封结构及可能配置的辅助填料密封将根据所选设计确认。如需项目报价,请提供所需通径、压力等级、材质、阀座密封形式、连接方式及数量。最终适用性根据批准的技术规范确认。
产品详情
a welded bellows element around the stem; confirm its sealing arrangement and the backup packing for the selected design
a stem moves a wedge or parallel gate clear of the bore for isolation; the valve should normally be fully open or fully closed, not used as a routine throttling device; verify pressure-temperature cycle and leak acceptance
thermal oil, hazardous fluids, vacuum duties, and services where fugitive leakage control matters
bonnet envelope, pressure-temperature cycle, leak acceptance, bellows material and cycle life, and backup packing
规格审查
厂家列出的选项仍须根据所选结构和使用工况确认,并非适用于所有配置的固定规格。
| 尺寸/DN 或 NPS | 特定于项目 - 包含在您的 RFQ 中 |
|---|---|
| 压力等级 | 特定于项目 - 包含在您的 RFQ 中 |
| 常见可选材质 | 厂家列示选项Carbon steel, low-temperature steel, stainless steel, alloy steel, or another approved alloy after service and fabrication review |
| 端部连接形式及标准 | 厂家列示选项Flanged or butt-welded ends matched to the approved piping class and selected product design |
| 驱动方式及附件 | 厂家列示选项Manual, geared, electric, pneumatic, or hydraulic operation only where the selected design and duty support it |
| 设计标准 | 厂家列示选项API 600, API 602, API 6D, or a project product standard as the construction and service require; testing and interfaces must be specified separately |
| 交货时间和文件 | 在书面报价中确认 |
所列材质为常见选项,并非全部可选范围。请提供所需牌号及使用工况,以便评估适用性、制造可行性和供应情况。
目录信息支持查询。批准的技术文件定义了最终供货。