The lower platen is located on the loading piston which protected against debris by a cover.The ball seating and the lower platen assemblies are supplied in a way to match the capacity of the machine and the specimens to be tested, ensuring accurate alignment and stable repeatable testing.All different models have been designed with reference to the International Standards (ASTM C39 and EN 12390-4), ensured that the machines can easily meet the standards and, where applicable, can be supplied with relevant certification for calibration accuracy and other parameters.Supplied complete with spacer discs (Additional spacer discs can be ordered separately).