1994 RVS-Evapco Ammonia Juice Chiller. S/N 1=94947 (bottom), 2= 94948, NAT'L BD# 1= 7333, 2=7334. Insulation 4 in. around both Heat Exchangers, dimensions #1 = 27 ft. L x 36 in. W x 66 in. H, 10 in. Inlet and 10 in. Outlet. #2 = 248 in. L x 30 in. W x 107 in. H, 4-1/2 in. Inlet, 4-1/2 in. Outlet (3 other Connections 2 x 1 in., 1 x 1/2 in.). #1 250 psi at 200 °F Shell side MAWP, 150 psi at 200 °F tube side, Min design metal -20 °F at 250 psi (Shell) -20 °F at 150 psi (Tubes). Unit has removable heads on both sides. 3 Bottom 2 in. Outlets (pipe), Center has dome in bottom with 3 in. Discharge #2 MAWP=250 psi at 200 °F, Min design metal temp. -20 °F at 250 psi. Tubes are made of SA214-ERW, that is, Electric Resistance Welded carbon steel. The shell material is SA516-70, which is also carbon steel for pressure vessels.