结构特点
an extended operating stem and protected body system for below-grade installation

最终尺寸、材质、压力等级及随附文件以确认的配置为准。
球阀 / LIANGGU
Direct-Buried Pipeline Ball Valve
加长操作杆及阀体防护结构面向地下直埋安装。 项目询价时,请提供口径、压力等级、材质、阀座及密封形式、连接方式和数量。最终适用性以审核确认的技术规格为准。
产品详情
an extended operating stem and protected body system for below-grade installation
a quarter-turn stem rotates a bored ball between open and closed positions; seat design, ball support, body construction, cavity pressure management, and operating torque determine service suitability; verify stem extension and coating
gas distribution, district heating, water transmission, and buried utility corridors
burial depth, stem extension, coating and holiday test, drainage, soil load, cathodic protection interface, and access box
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, subject to confirmation for the selected design and approved piping class. |
| 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 6D and ISO 14313 may apply to qualifying pipeline-valve service; API 608 may apply to other metal ball-valve configurations |
| 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。