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 standard | DIN 3352 |
| face to face | DIN 3202/F4/F5 |
| Flanged end | DIN2543-2546 |
| Test &inspection | DIN3230 |
