Severe duty nozzles are subject to extreme pressures and poor water quality. Without a nozzle working properly the operator can not properly control the water stream A proper maintenance program its very important to ensure the nozzles are properly serviced and maintained to keep everything moving and operating smoothly. BRT Fire and Rescue Supplies stock a full range of parts to service and repair Akron brass 4462, 4463,4471, 4472 and 4461 Rampage severe duty nozzles. BRT recommend the nozzles are serviced at regular at 6 monthly intervals in Australian Mining conditions.