the inspection of the cast iron dryer cylinders

We seriously do the testing for our cast iron products.

Hydraulic testing

After assembing we make the hydraulic test. The pressurre of the hydraulic test is doble times of normal working pressure.

Roughness, hardness, run out and roundness inspection

After grinding, make roughness, hardness, run out and roundness inspection ,also make final diamention size inspection for some important places.