1 1/2 bore x 1000 psi =880 ponds 1 1/2 x 1500 psi =1995 ponds
2 " bore x1000 psi =1570 ponds 2"x1500 psi =3540 ponds
2 1/2" bore x 1000 psi =2450 ponds 2 1/2 x 1500 psi =5520 ponds
Double ended rams are equal pressure because of equal bore area and single ended rams are not, you have to...