Check Valve
A valve that allows flow in one direction only.
Ball Valve
Fire water control valves typically utilized on trim piping to control water flow through a spherically shaped disc having a portal opening sized in sequence with the piping attached at either side.
Gate Valve
Fire water service control valves typically having non indicating stems that control water flow by raising or lowering a disc shaped plate to block or allow water to flow freely.
OS&Y – Outside Screw & Yoke
Fire water service control valves having indicating stems that control water flow by raising or lowering a disc shaped plate to block or allow water to flow freely.
Fire Hose Valve
Valves that are typically utilized on standpipe systems to control the flow of water to different levels of a facility (Rough Brass, Polished Brass, Rough Chrome, Polished Chrome).
Fire Department Connection
A connection through which the fire department can pump supplemental water into the sprinkler system, standpipe or other system, furnishing water fro fire extinguishment to supplement existing water supplies (Rough Brass, Chrome, Polished Brass, Storz).
