A wet and dry riser system are mandatory to install at high rise building as it has to maintain the water pressure of the pump source in the wet riser system. A wet riser system is permanently contain pressurized water in the pump source. When the system is in use, the water supply will be streamed down with high pressure from the pump and allows fire fighters to attach the fire hose onto any landing valve outlet to extinguish fire.
Demco’s Wet & Dry Riser System consist of the hose with the working pressure of 10, 13 and 16 bar. The fire hose can handle the burst pressure from 25 bar (363 PSI) to 48 bar (696 PSI).