FWN model nozzles are specially designed for rack protection. Withh their compact size, against all kinds of fire risks, including flammable liquids where alcohol resistant foam concentrates are used. Their special design provides a discharge pattern of full spray cone up to 120°, while the expanding of the foam solution evenly with AFFF-AR types up to 1:15 makes the equipment unique in market. Equipments are produced in stainless steel body and brass nozzles. Foam solution is sprayed into the body that aspirates air to expand the foam solution, maintaining the spray angle and the flow rate. According to the flow rate, connection to the fire network is threaded DN 15- ½”, and available flow rates are factory calibrated between up to 52 l/min * bar1/2 Metric K factors.