system included (2) approx 500 m³/h 316 stainless steel single stage liquid ring vacuum pumps, first pump, type SIHI LPHA-50115 / BN 135 42 0, Motor: ex proof (G3), second pump, type SIHI LPH-50115, serial # D-2879337, driven by 10.0 kW, 3/50Hz/500 V/1460 rpm, mfd LOHER electrical motor, ex proof (G3), (1) 4.2 square meter 316 stainless steel (1.4571) shell and tube heat exchanger, serail # 7032/224, manufactured by GESSNER GmbH Germany, rated shell side -1/7 bar @ 250 degrees C, volume 43 liter, rated tube side -1/7 bar @ 250 degrees C, volume 34 liter. (1) 260 liter s/steel reciever, mfd by WERK OFFENBACH, serial # 282 rated -1/6 bar @ 250 degrees C .