Click in the photo to extend
 
Click in the Figure TO SEE the MOVIE
 
 
Cylinders with pistons made in 8620 material with thermal treatment (cementation) with hard of 64 Rockwell provided of hydraulical end courses with simple or double action..
   
Complete line from 30 till 850 tons. Weight 50 m/m till 500 m/m.
   
PS.: The Barreto cylinders could be confectioned with threads, flanges and/or punctures passing in the agreement piston if its necessity.
 
 
Micro hydraulic pistons.
 
 
 
Double action cylinder with capacity of 850 Tons.
 
Pistons Technic Manual in PDF