INSTALLATION
INSTALLATION
Following is the standard installation procedure for a Tomco
2
Equipment Co. carbon
dioxide dry ice pelletizer.
Note: This should be performed by a qualified carbon
dioxide equipment technician only.
Refer to Figure 3.1 on page 3.3.
Note: A liquid CO
2
supply pressure of 250 to 300 psig (17.23 to 20.68 bar) is re-
quired for satisfactory performance. Contact Tomco
2
Equipment Co. if liquid CO
2
pressure will be lower than 250 psig (17.23 bar). Contact Tomco
2
Equipment Co. if
liquid CO
2
Dew point will be above –60°F (-51.1°C).
1. Install an insulated connecting line between the liquid process isolation valve on
the carbon dioxide storage unit and the 1” FNPT (1/2” on 100lb and 200lb ma-
chines) (1 1/2” on high capacity machines) connection on the rear of the pellet-
izer. We recommend that you use pre-insulated (2 1/2” (63.5 mm) urethane) 1
1/8” (1 5/8” on high capacity) Type K copper. However, 1” NPT (1 1/2” on high
capacity) schedule 80 seamless pipe can be substituted. Include in this line a core
type liquid CO
2
filter. We recommend a Sporlan Valve Co. model C-1449G for
1 1/8” copper or a Sporlan Valve Co. model C-1448P for 1” NPT pipe. Each of
these filters uses a single Sporlan Valve Co. core model RC-4864. (Filters are
available from Tomco
2
Parts and Service.) This line should be no longer than
25’ (7.62 m). Tomco
2
recommends the use of an automatic vapor purge device
on any pelletizer that has more than 25’ (7.62m) of liquid supply piping. Con-
tact Tomco
2
Equipment Co. if the installation will require more than
25’ (7.62m) of liquid supply piping. The above is for a single machine operation.
If several machines are connected to the same liquid line, consider using sizes
larger than mentioned above.
Using an undersized liquid line will result in decreased production.
2. Install a connecting line between the vapor process isolation valve on the carbon
dioxide storage unit and the 1/4” FNPT connection on the rear of the pelletizer.
The construction material of this line is not critical and is up to the installer’s dis-
cretion, but it must be approved for at least 350 psig (24.1 bar).
3.1
Содержание DE89RB- 1000
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