Groen Vacuum Kettle- 40 Gallon. Model: DVA 40. Nat'l Bd: 30584. MAWP: 125 psi at 353 °F. Interior mat'ls of constr: monel and copper. Full vacuum in chamber. (2) 4 in. dia. sight glasses. Stainless steel Framework with tilt option. Inlets: (1) 3/4 in. dia. FNPT (steam), (1) 2 in. dia. S-line fitting. Outlets: (2) 1/2 in. dia. FNPT (vacuum), (1) 1/2 in. dia. FNPT (condensate), (1) 3/4 in. dia. FNPT (pressure relief). Overall dimensions: 50 in. L x 50 in. W x 55 in. H.