结构特点
an extended stem and low-temperature sealing system for cryogenic media

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
Cryogenic Extended Stem Ball Valve
加长阀杆与低温密封系统配合,用于低温介质工况。 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 stem and low-temperature sealing system for cryogenic media
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 seat resilience and cavity relief direction
LNG, liquid oxygen or nitrogen systems subject to approved cleaning, cold storage, and vaporization units
extension height, seat resilience, cavity relief direction, material impact properties, cleanliness, and minimum temperature
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Low-temperature-qualified stainless steel or other approved alloy, with impact properties, seat, packing, and bolting verified at the minimum design temperature |
| 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 608, API 6D, ISO 14313, or the project product standard as the construction and service require; fire testing is a separate specified scope |
| 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。