Pfeiffer Vacuum

4.7.3 Portfolio overview

Roots pumps can be supplied in a number of different versions:

  • Standard pumps with shaft seal rings and a cast iron housing
  • Hermetically sealed standard pumps with magnetic coupling and a cast iron housing (M series)
  • Gas-circulation-cooled Roots pumps with shaft seal rings (G series) or magnetic coupling
  • Roots pumps for potentially explosive environments and for displacement of explosive gases (ATEX series)