4. Gasline service: $300 each. Includes gas cleanup, leak check, and replace Aeroquip
fittings.
5. Wooden crates: $300
6. Shipping invoice (empty wooden crates to us and the shipping the instruments back to us)
will be send to us separately. We will use our credit card to pay for the shipping from here
to their Chicago facility.
The compressor performance will be fully tested prior to sending us.
Cold head service: ("Raub, Roy" <rraub@shicryogenics.com>): Tasks and Prices
1. Basic Fee for quantity 1 coldhead (RDK-408/415) $8,700.00
2. Labor (1 day per engineer) Included
3. Travel & Living Expenses: Billed at actual
Tasks:
1. Removal of the expired/worn parts of the coldhead.
a. The warm housing and parts contained within which includes valves disc, valve stem, scotch
yoke, guide bushings, all orings.
b. The 1st and 2nd stage displacer assembly.
2. Solvent clean and inspect the cylinder assembly.
3. Install a new oring on warm flange.
4. Install a completely reconditioned and qualified warm end/displacer assembly consisting of
the parts listed in 1a. & b. above.
5. Reassemble the coldhead.
6. Perform a gas cleanup on the coldhead.
7. Reconnect gaslines.
8. Leak check all disturbed joints and final testing of the He-compressor
UHP 300 Grade 5 helium gas cylinder (purity 99.999%) from Airgas should be provided for the
service.
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