01
管线隔离
API 6D 球阀选型围绕压力等级、通径、材料、防火、试验和项目文件组织。
02
高压隔离
闸阀概况聚焦压力密封或楔式结构、阀体与内件材料、端部连接、检验和 MDR。
03
苛刻工况系统
蝶阀、合金与低温概况把温度、腐蚀、密封、驱动、试验和出口包装对应到询价。
买方证据清单
报价前应确认的事项
- ✓ 阀门类型与工况
- ✓ 口径与压力等级
- ✓ 阀体、内件与阀座材料
- ✓ 端部连接与结构长度
- ✓ 驱动与附件
- ✓ 试验、检验与文件目录
| Table description | |||
|---|---|---|---|
| Aggregate scope of representative projects SMD has executed. Project names are redacted; full case studies (with QA, ITP and shipment record samples) are available on request and under NDA. | |||
| Parameter | Value | Unit | Standard |
| Project type A — refinery | API 600 gate, API 6D ball, ASME 150–600, WCB / WC6 / CF8M, hydro + fire-safe | — | API 600 / API 6D |
| Project type B — LNG | Cryogenic ball & gate, −196 °C, austenitic 304/316, extended bonnet, leak-tested per BS 6364 | — | BS 6364 |
| Project type C — chemical | Alloy 20 / Hastelloy, ANSI 150–300, PTFE seated, low-emission per ISO 15848-1 | — | ISO 15848-1 |
| Project type D — water & desalination | Resilient-seated butterfly, AWWA C504 / C516, NSF61 coating | — | AWWA C504 / C516 |
| Project type E — power plant | Pressure-seal globe, high-temperature, F11 / F22, ASME B16.34 Class 1500–2500 | — | ASME B16.34 |