liquid ring vacuum pump skid, suction pressure -1 bar, max allowable pressure 4 bar, Protection CE ATEX Ex II 2 G T4, skid includes: (1) 260 m3/hour 316L stainless steel liquid ring vacuum pump, type PMZF 2510 H7X4, serial #KN056642/A, driven by 7.5/8.6kW, 3/50-60/690-400/660-380/415-440 volt, 1447/1439/1454/1739 rpm ATEX EEx de II CT4 IP55 motor, (1) 3.2 square meter stainless steel tube and shell vertical liquid ring cooler mounted on a 80 liter stainless steel ring liquid tank, pressure product side 4 bar @ 120 degrees C, service side 10 bar @ 120 degrees C,