Position indicator for NRS gate valve is used for indicating Non Rising Stem gate valve position. In a fire protection system, the normal position of the NRS gate valve is opened. When someone manipulates the valve by closing it, the limit switch of position indicator sends a signal to the fire control panel informing the status.
|Valve type||Gear bore (mm)||Normal position||Ref. No.|
|NRS (Non rising stem)||16 ~ 28||Closed||V8301|