Features of Pulse Tube Cryorefrigerators:
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• Lower vibrations than GM cryocoolers
• Recommended mean time between maintenance cycles - 15,000 to 20,000 hours depending on the system
  
• Warranty of 3 years or 12,000 hours, whichever comes first
  
• Lower vibration options available
• Base temperatures <2.8K

Pulse Tube Cryorefrigerators

Single Stage Pulse Tubes PT10 (12W @ 80K) PT30 (37W @ 80K) PT60 (60W @ 80K) PT63 (23W @ 40K) PT90 (90W @ 80K)

4K Pulse Tube Cryorefrigerators PT405 (0.50W @ 4.2K) PT407 (0.75W @ 4.2K) PT410 (1.0W @ 4.2K) PT415 (1.5W @ 4.2K)

8K Pulse Tube Cryorefrigerators PT803 PT805 (1.5W @ 10K) PT810 (4W @ 10K)

The PT400 Series Cryocoolers offer the most reliable, low vibration cooling to 4.2K of any product on the market today.

These systems are perfect for recondensing liquid helium and for cooling superconducting devices. Also used for precooling dilution, ADR, and adsorbtion refrigeration systems.