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4909 CPVC Conductivity Cell Insertion/Removal Assembly Operations Manual
2 4909 CPVC Conductivity Cell Insertion/Removal Assembly– Operations Manual 7/99
1.3 31074357 Removal Device
This device consists of a ball valve which is connected to the closed system by a 1-1/2 inch CPVC schedule
80 mounting nipple and to a housing by a 6 inch long schedule 80 CPVC nipple into which the support tube
for the cell mounting is inserted. The compression handle provides a seal around the cell support tube.
Depending on the Key Number selected in Section 2.2, MSG, the 31074357 Removal Device may or may
not include the 4908 Cell preinstalled in the device.
If Key Number 04908 is selected, the 4908 Cell (Fig. 1-4) is shipped apart from the removal device.
If Key Number 04909 is selected, the 4908 Cell is preinstalled into the removal device, Fig. 1-3. Details of
each type of installation are given in Section 3.3.
130
120
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90
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0
-10 -5 0 10 20 30 40 50 60 70 80
PSIG
DEGREES CELSIUS
a
/
n 23349
Figure 1-1 Temperature/Pressure* Range
* 50 psig max. during insertion or removal of 4908 cell.