Cryopump Repair Service

Vacuum Side Carbon array and indium are replaced 80K array is given a new nickel plate Radiation shield is refinished Parts are cleaned and baked out He leak checked to 1x10-8 cc/s

• Helium Circuit
  • Bearings, O-rings, seals and springs are replaced
  • 1st and 2nd stage displacers cleaned and baked out
  • Displacer motor is regaussed

Testing Pump is charged with ultra pure helium and tested over a 24 hour period Regeneration cycle is run to test cool down time On-Board electronics are tested Pumps are tagged to reflect work done and test data

Cryo Compressor Rebuilds

Cryo compressors are also rebuilt to exacting standards. We perform the following:

• Replacement of valves and adsorber
• Replacement of marginal mechanical and electronic parts (extra charge, requires customer approval)
• Change oil
• Recharge with ultra pure helium
• Clean helium lines
• Helium leak sniff compressor, lines and fittings

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Call PTB toll free: 866-332-0500