For drums of 180-220 kg OR 396-485 lbs with external diameter of 550 - 600 mm or 21.6 - 23.6 inches.
The drum covers are available in various sizes for drums from 5 to 220 kg or 11 - 485 lbs and are supplied complete with handwheels to lock them to the drum. They keep the pump upright for proper operation.