Automatic drain valve is used to drain off any water in a standpipe system as a trim component for dry pipe, deluge and preaction valves, or for use between the fire department connection (FDC) and a check valve.
|Size||Application||Auto to close position||Working pressure (psi)||Ref. No.|
|1/2″ NPT||Trim component of main valve||2-10 psi||250||VC3901 (UL)|
|1/2″ NPT||Between FDC and check||7 psi||175||VC3902 (UL/FM)|
Note: Note: For VC3901, it is a part of main valve such as dry pipe valve, deluge valve or preaction valve.