H 4 Single Interlock

The Globe Model RCW single interlock preaction system utilizes a hydraulically operated external resetting differential latching style valve designed for use where quick-opening is desired. The Model RCW valve is used as an automatic water control valve in single interlock preaction applications including; electric, wet pilot, or dry pilot actuation. The Model RCW valve serves as the primary water control valve installed in the water supply to a single interlock preaction sprinkler system incorporating automatic sprinklers with supervisory air monitoring the integrity of the system piping.