vacuum pump system (1) 316 stainless steel double stage liquid ring vacuum pump ex proof (G3), (1) 4.0 square meter 316 stainless steel (1.4571) shell and tube heat exchanger, serail # 322 manufactured by JULIUS MONTZ GmbH, Germany, rated shell side -1/6.2 bar @ 250 degrees C, volume 46 liter, rated tube side -1/6.2 bar @ 250 degrees C, volume 30 liter. (1) 316 stainless steel reciever.