ASTM STANDARD - COMPRESSION MACHINES

Four columns prestressed frame machines for production routine tests, designed to be in compliance with the ASTM standards.The requirements respected are: ASTM C39 | BS 1610 | NF P18-411 | AASHTO T22Their main features are:Compression platens are surface hardened over 55 HRC and rectified.Device to check piston’s excursion during test.The columns are prestressed to provide a very high rigidity.Piston having 50 mm stroke and cylinder are coupled with high quality packing set.The tank has an oil level and oil discharge.Dial speed selector to display, pre-select and control oil flow.Multipiston power pump assuring continuity of delivery.Fast approach ram device to avoid dead times.Ball seating is accurately machined.All the machines are divided by their capability and their load measuring system.