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AQUATRAN Model 3/40 Operator's Manual
Connecting the Gas Lines
The AQUATRAN Model 3/40 has a gas inlet for connection of the Carrier Gas (nitrogen) supply. This
compression fitting is intended for use with 1/8" copper tubing. Refer to Figure 2-4 for the location of the
fitting and an example of plumbing system diagram.
The optional Starter Kit (054-279) contains 50 feet (14 meters) of tubing in addition to extra compression
nuts, ferrules and grease.
Follow these steps to connect the Carrier Gas supply lines:
1.
Remove the brass plug from the Carrier Gas fitting on the instrument back panel. Save the
plug it will be needed later.
2.
Cut a piece of tubing approximately 3 inches in length (7.6 cm).
3.
Cut a piece of tubing approximately 26 inches in length (33 cm).
4.
Apply a thin coating of Vacuum grease to four compression ferrules.
5.
Connect the Carrier Gas fitting on the instrument back panel to the Brass Filter (051-791)
using the 3 inch length of tubing and two nuts and ferrules.
6.
Connect the input on the Filter to the output fitting on a regulator tee using the 26 inch length
of tubing and two nuts and ferrules.
7.
Cut a piece of tubing to connect the Desiccant Tower to the Carrier Gas (Nitrogen) supply.
8.
Apply a thin coating of Vacuum grease to two compression ferrules.
9.
Connect the inlet fitting on the Desiccant Tower to the Carrier Gas (Nitrogen) supply
regulator using a nuts and a ferrule. The inlet fitting on the Desiccant Tower is on the end of
the chamber containing the cover. Make sure the tube is inserted all the way into the fitting
on the Desiccant Tower before tightening the knurled nut.
10.
Cut a piece of tubing to connect the regulator tee to the Desiccant Tower.
11.
Apply a thin coating of Vacuum grease to a compression ferrule.
MOCON, Inc.
Revision D
Setting Up
2-7
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