The SIHI sterling liquid ring vacuum pump LPHE is a two-stage positive displacement pump in a simple but robust design with various specific features. Such as non-polluting due to virtually isothermal compression, oil-free (no lubrication in the pressure chambers), pumping of almost all gases and vapors, small quantities of system fluid can be pumped, easy to maintain and reliable in operation, low noise emissions and virtually vibration-free running, standard O -ring seal, central drainage and no metallic contact with rotating parts. SIHI LPHE45311 - BN1350140 - 2609005. Engine; VEM K219112 - 4,0 kW - 8,8 A - 1435 rpm - 50 Hz. Total dimensions: 110 x 70 x 97 cm.