The gate valve functions to control the flow of water entering the Alarm Check valve. OS Type & Y Out Stream and Yoke are more informative, can be seen from a distance whether the gate valve position is open or close. Can be seen in the shock of the iron seen to come out means the valve position is open.
Specification
| TYPE | OSF |
| Size | 2,5″ 3″ 4″ 6″ 8″ |
| Max Pressure | 21 Bar |
| Finishing | Powder Coating |
| Connection | Flange ANSI |