国产精品久久久久这里只有精品,精品一区精品二区制服,午夜人妻熟女一区二区,国产真实乱子伦精品视频,国产真实乱子伦精品视频

Oil-free screw blowers are widely used in industries such as sewage treatment, fermentation, textile, desulfurization and denitrification, etc. Oil-free screw blowers feature low noise, 100% oil-free operation and energy saving. Compared with traditional Roots blowers, using screw blowers can save energy by up to 35%.

Features
● 100% oil-free air
● Low operating noise
● Smooth start-up and operation when combined with a variable frequency system
● Plug and play, no separate foundation required
● Remote monitoring available

Oil Free Screw Blower Specifications