HOEBIGER DZ25 screwed hydraulic cylinder (piston rod diameter 32 - 160 mm, operating pressure 250 bar. These hydraulic cylinders are designed for both heavy industry and applications where quality and reliability are emphasized. ND26 series screwed hydraulic cylinder ( piston rod diameter 25 - 200 mm, operating pressure 260 bar These hydraulic cylinders are designed for both heavy industry and applications where quality and reliability are emphasized.