3-10 | Model 888 ATEX IECEx Tail Gas Analyzer
2. Install the probe through the sample inlet ange, main process valve,
and into the process:
- Slide the probe tube down into the flange fitting. If the probe tube
is longer than 16 inches, it may be necessary to remove the sample
oven cover plate and lower the probe/valve assembly through the
top of the sample oven. Tighten the compression fitting enough to
create a seal around the probe while still allowing the probe to slide.
Depending on the length of the probe, it may be necessary to remove
the valve handle (FV1) for the valve to fit through the opening in the
top of the sample oven. If this is the case, the handle must be placed
in the closed position before removing the handle.
- Verify that the analyzer sample inlet ball valve (FV1) is closed and
remains closed. Continue to slide the probe down through the flange.
When the probe tip touches the ball of the main sample valve, back
the probe out 1/2” and etch a mark on the probe at the top of the
flange tube fitting. Open the main sample valve slightly and check
for leaks, continue inserting the probe as far as possible. Fully tighten
the flange compression fitting. This etched mark will be used for
probe removal and replacement.
-
Figure 3-2a. Inlet, Valve and Vent Location- No Steam Blowback
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