Marine cast steel gate valve is used on the pipe system for sea water, fresh water,lubrication oil.
Design Standard: CB/T466-1995
Test Standard: GB600
Flange Size as per GB569 or GB2501
| nominal pressure (Mpa) | nominal diameter(mm) | applicable medium |
| 1.0 | 50-100 | sea water,fresh water,lubrication oil |
| 0.6 | 125-150 | |
| 0.4 | 175-300 | |
| 0.25 | 350-500 |