Chapter 5: Accessories for Your CentriVap Cold Trap
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Installing a Secondary Chemical Trap
An accessory secondary chemical trap is available to protect the vacuum pump
and minimize the exhausting of solvents into the atmosphere. It may be attached
to either side of the Cold Trap. After selecting the side, remove the two small
plastic hole plugs. Attach the bracket to the side of the Cold Trap housing using
the screws provided. Attach the hose from the Cold Trap Lid Assembly to the
“out” connector of the canister housing. Connect another hose from the
remaining fitting on the Secondary Trap to the inlet port on the vacuum pump.
Clamp hoses securely. Unscrew the clear bowl of the canister housing from the
head. Remove both the upper and lower caps from the filter cartridge and insert
the small end of the cartridge into the hole in the center of the head. Reinstall the
clear bowl.
Be sure to use the proper cartridge for your application. When the media in the
insert has changed color, discard the insert and replace it with a new insert. For
the radiochemical trap insert, no color indicator exists therefore it should be
discarded after each use. Use a Geiger counter to monitor the pump exhaust.
NOTE: This radiochemical cartridge does not meet NRC filter design
recommendations. After operating, properly dispose of all hazardous
materials in compliance with all applicable codes. Labconco is not
responsible for improper disposal of any materials.
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