Cryocooler

RDK Series Cryocoolers Service

RDK Series Gifford-McMahon Cryocoolers are high-quality,
ultra-reliable designs that operate at extremely low
temperatures (typically liquid helium temperatures).

Due to the unique operating environment of these cryocoolers, on-site service
and maintenance non-trained technician from SHI is not recommended at this
time.  The most reliable approach to service and maintenance on these
cryocoolers is to return them to our service centers. 

Product repairs and refurbishments performed at Service Centers include :
- Flow check of all internal parts to ensure optimum refrigeration capacity
- Replacement of required wear items -seals, valve disc, valve stem, capillaries and displacers, when necessary
- Performance testing to factory specification
- Leak check, both pressurized and for vacuum integrity, where applicable
- Full factory warranty

We also understand that there are cases where complete removal and return of the cryocooler is overly difficult. In response,
We also offers “Hot Swap” service performed by trained technician from SHI.

Hot Swap service allows for “in situ” maintenance, without the need to remove the complete cryocooler for return or
replacement. Hot Swap service involves complete exchange of the cryocooler assembly, with the exception of the cylinder,
which remains installed in the customer’s system. Hot Swap implies that the customer’s system is warm to allow for reliable
removal and exchange.

RP Series Pulse Tubes Service

RP Series Pulse Tubes are high-quality, ultra-reliable designs
that operate at extremely low temperatures (typically liquid
helium temperatures).

Due to the unique operating environment of these cryocoolers, on-site service
and maintenance non-trained technician from SHI is not recommended at this
time.  The most reliable approach to service and maintenance on these
cryocoolers is to return them to our service centers. 

Product repairs and refurbishments performed at SHI Service Centers include :
- Replacement of required wear items - valve stem and filter unit, when necessary
- Flush and clean heat exchangers
- Performance testing to factory specification
- Leak check, both pressurized and for vacuum integrity, where applicable
- Full factory warranty
CH and DE Series Cryocoolers Service Options

CH and DE Series Cryocoolers can be serviced via “hot swap”
on-site by the customer or a trained technician from SHI,
without removing the cryocooler for return or replacement.

This unique service option is the result of the high-quality, ultra-reliable
Displex® Cryocooler technology found in all CH and DE Series Cryocoolers.
  Displex Cryocoolers have a long and successful operating history, and feature
a pneumatic drive that optimizes performance and reliability and permits quick
and easy removal of the displacer assembly for maintenance.

Performing hot swap service lowers the total cost of ownership by :
- Eliminating the cost of shipping a complete cryocooler to a service center
- Eliminating labor costs associated with complete disassembly of the cryocooler from your system
- Minimizing the “down time” of your system for service or repair
- Minimizing the required capital investment in spare parts
In addition, these cryocoolers can be returned to our service centers.  Product repairs and refurbishments performed at Service Centers include:
- Flow check of all internal parts to ensure optimum refrigeration capacity
- Replacement of required wear items - seals, valve disc, valve stem, capillaries and displacers, when necessary
- Performance testing to factory specification
- Leak check, both pressurized and for vacuum integrity, where applicable
- Full factory warranty