China UL FM Wall Type Indicator Post for Nrs Gtae Valves

UL FM Indicator Post is designed for use with NRS gate valves.
Wall Type Indicators Post are UL Listed & FM approved. They are used to operate a post indicator valve (PIV) which is not accessible. There is an open / shut indicator window which will indicate if the PIV is open or closed. The handwheel can be secured with a chain and padlock to prevent unauthorised operation of the valve.