The housings of the element sizes DW-A 45 to 50 are made out of spheroidal cast iron.
The housings of the element sizes DW-A 45 to 50 are made out of spheroidal cast iron, with inner square sections made out of light alloy profile. Up from size 60, with housings made out of welded steel construction, with inner steel square sections including four threaded bores on each side for the easy fixation of levers and machine parts.
