Mill-duty cylinders Imperial mill-duty hydraulic and pneumatic cylinders for primarymetals environments feature a threaded flange for durability and serviceability. They are offered in Vickers AM/MM/WM and Hydro-Line AM/MM/SM series products. They come in bores from 2 to 16 in., with hydraulic operating pressure ratings of 2000 and 3000 psi, pneumatic operating pressure rating of 250 psi, and standard strokes to 8 ft. Custom versions are available with larger bores, longer strokes and higher operating pressures. Eaton Corp., Hydraulics Operations (952) 294-7992, www.hydraulics.eaton.com