Aluminium Hydraulic Cylinders  Designed for use in all positions  To avoid degradation,Website:http://www.dudemachinery.com, the surface has been made extra rigid  50T, 100T and 150T cylinders come with handles  The ring can avoid the plunger over-reach, it can bear the  max. top-rise capacity of the cylinder.  High strength return springs for speedy retraction.Double-acting Aluminium Cylinders Designed for use in all positions  The surface has been treated for rigidity with 50T,  100T and 150T cylinders having handles  20T and 30T Cylinders also can match as you request.  Built-in safety valves prevent accidental over-pressurisation  Removable hardened saddles protect plunger during  lifting and pressing.  Plunger wiper reduces contamination, extending cylinder life.