Coosai’s series forged steel gate valve are used to cut or connect the pipe media under nominal pressure between PN 16～PN 420(class 150～class 2500), working temperatures≤600℃.in oil industry. Chemical industry, fossil fired power plants.
| Design reference | API | ASME |
| Design standard | API6D | ASME B16.34 |
| Flanged ends | Thread ends | Socket welded ends |
| ASME B16.10 | ASME B16.11 | ASME B1.20.1 |
| Flanged ends | ASME B16.5 | |
| Test &inspection | API598 | |
