Ametek ASR900, Installation And Maintenance Manual

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3-14 | Heated Acid Gas Sample Probe (Large Diameter)
Connecting the Aspirator Drive Gas Line
The drive gas can be instrument air, nitrogen, or steam, depending on the
process.
The Aspirator Drive Gas Line, which must be 316 stainless steel 1/4" O.D.,
is supplied by the customer/end user (unless it is integrated in the Sample
Line).
To install the Aspirator Drive Gas Line (see Figure 3-2):
For plumbing details for new and retrofit installations, refer to the
Sample/Vent Line, Conduit & Tube Installation drawing and other
sample system drawings in the “Supplemental Information” section of
the analyzer or HAG Probe manual.
• Non-Shelter and Retrofit Installations:
Plumb 316 stainless steel 1/4
"
O.D. tubing from the analyzer Solenoid
Block to the Aspirator Drive Port fitting on the Sample Probe.
• Shelter Installations:
Plumb 316 stainless steel 1/4
"
O.D. tubing from the “Aspirator Air” port
on the shelter to the Aspirator Drive Port fitting on the Sample Probe.
For Retrofit Installations , plumb 316 stainless steel 1/4
"
O.D. tubing
from the “Aspirator Port” inside the shelter to the analyzer. (For new
applications, this will already have been done at the factory.)
The procedure is complete.

NOTE