FireWall UL/FM Vertical Post Indicator It is used to identify the position of buried Gate Valves (Post Indicator Valves) and is recommended for use in fire protection piping systems. It consists of four components, the Post, Telescoping Pipe, Base, and Stem. It is adjustable to accommodate valve bury depths from 3 feet to 8 feet.
1. Remove the top section from the top of the Indicator Post assembly.
2. Cut the required stem length and adjust the Standpipe to match up the ground line.
3. Set the “OPEN” and “SHUT” targets for the appropriate valve size.
4. Reattach the top section to the top of the Indicator Post assembly.