Pfeiffer Vacuum

Hepta 400

Dry screw pumps with a pumping speed of 350 m3/h at 50 Hz and 420 m3/h at 60 Hz:

Product description

  • Dry screw pump with intake strainer
  • Non-return valve, outlet side
  • Water cooling with thermostatic valve and thermometer
  • Temperature switch in housing
  • Oil-lubricated axial face seals
  • Silencer
  • Oil charge, D1


  • Process-adapted designs and differing voltages upon request


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Your local contact

Pfeiffer Vacuum Inc.
24 Trafalgar Square
NH 03063-1988 Nashua

T: +1 (800) 248-8254
F: +1 (888) 658-7983