The maximum limit of aluminum pipe sprinkler irrigation is 50 sprinklers. The answer to the question whether the sprinkler can be used in aluminum pipe sprinkler irrigation will be different due to many factors such as the diameter, length, pressure and water flow rate of aluminum pipe. The larger the diameter and length of the aluminum pipe, the more the maximum number of nozzles can be used. According to the relevant irrigation design manual, the maximum number of sprinklers is 50.