PTB conducts a thorough rebuild service for the waterpump's helium circuit:

• Motor bearings and O-rings replaced.
• Refrigerator crankshaft bearings, O-rings, valve seals and springs replaced.
• Refrigerator timing set for optimal cryogenic performance.
• 1st and 2nd stage displacers cleaned, vacuum baked and rebuilt.

Watch our cryopump video!