Red Wet Riser System

Wet risers are a form of internal hydrant system in a building where it is pumped from ground level sump through a pressure pump to different areas of the building according to the design of the system Wet riser system comprises duty fire pump with standby pump discharging into riser pipe with landing valves at each floor and to which canvas hose with nozzles can be connected to direct the water jet at the fire.