Slotted distance pieces are inserted between the upper crossbar and the spherical seat. To lower the spherical seat you have to use the axial screw assembly.
型号：50-L1000/100B, 50-L1000/68B and 50-L1000/50B
用途：Made of steel. Used to reduce the vertical daylight of the compression machines model 50-A29xxx and 50-A39xxx depending on the size of the specimen and considering that, in general, the maximum piston travel is 50 mm.