Used Graham 3-stage ejector vacuum system. (1) 10 X 6 inner-condenser, stainless steel shell rated full vacuum/150 psi @ 400°F. (1) 6 X 3 after-condenser, stainless steel shell rated full vacuum/150 psi @ 400°F, tubes rated 150 psi @ 400°F. Carbon steel bonnets. Mounted on unitized base.
