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The L-BL2 range comprises compact plug-and-play systems for easy on-site installation. The pumps are air-cooled, 100 % oil-free and do not require additional water during operation. In addition, the vacuum pumps provide a much higher resistance to water and steam than alternative systems. Thanks to contact-free compression, they are virtually wear-free in operation and need no periodic maintenance. The patented discharge-air cooling system ensures that the pumps will not heat up by more than 15 K above room temperature. The pumps work reliably in continuous operation and are steam resistant and insensitive to condensation of the pumped air. （該l-bl2范圍包括緊湊易于現(xiàn)場(chǎng)安裝即插即用的系統(tǒng)。該泵的風(fēng)冷，100%無油，不需要額外的操作過程中的水。此外，真空泵提供了一個(gè)更高的抗水和蒸汽替代系統(tǒng)。由于接觸無壓縮，他們幾乎無磨損、操作不需要定期維護(hù)。專利discharge-air冷卻系統(tǒng)確保泵不會(huì)熱起來，超過15度以上的室溫。該泵可靠地工作在連續(xù)操作和蒸汽抗性和敏感的空氣冷凝泵。）

Vacuum power units of the L-BL2 Split type are standardised liquid ring pump circulation systems with patented exhaust air cooling for large volume flows. A considerable amount of the water contained in the cool exhaust air condenses, remains in the system, and is thus available as operating water. As a result many applications no longer require additional operating water. Our low-maintenance vacuum pumps have been tried and tested for many years in numerous industrial applications. A comprehensive product range of accessories is available for this pump type.（