Busch do Brasil has an excellent experience with vacuum pumps and systems working on transformer drying plants. We have delivered systems with oil lubricated rotary vane vacuum pumps - as shown -, Roots vacuum pumps or dry running systems with Roots vacuum pump Panda WV 1000 B and screw vacuum pump COBRA NC 0200 B with a capacity of 1000 m³/h at 0,1 mbar.