Busch vacuum pump: 20 m3/h, Sealing bar length: 455 mm, Self-cleaning oil system
Busch vacuum pump: 10, 16 or 20 m3/h, Sealing bar length: 405 mm, Self-cleaning oil system
Busch vacuum pump: 8 m3/h, Sealing bar length: 315 mm, Self-cleaning oil system
