2. Installation, Piping, and Wiring
58
TI 11B08A01-01E
(2) Other items
(a)Dehumidier
Provideadehumidierbetweenthecarriergascylindersandtheanalyzer(asnearthe
analyzer as possible).
(b) Sample-gas pressure regulator
Provide sample-gas pressure regulators between the sampling point and the analyzer or the
external sampling system (as near the sampling point as possible).
(c) Vent stack, Drain tank
Without Vent Stack
Provide a header with a diameter of about 5 cm near the analyzer to connect the venting
lines. Extend the vent stack outside the house using a pipe with 1.5 cm diameter. Make
provisions to prevent rain from getting in the top end of the vent stack. (See Figure 2.4.)
With Vent Stack
Connect the top end of the vent stack to the section for exhaust. Extend the vent stack
outside the house using a pipe with 1.5 cm diameter. Make provisions to prevent rain from
getting in the top end of the vent stack.
When using a TCD detector, plug the lower end of the vent stack. When using a FID or FPD
detector, provide a drain tank with a diameter of about 5 cm near the analyzer to the venting
lines.
For the details, see Figure 2.5.
Unscrew using the
upper spanner while
gripping the vent stack
with the lower spanner.
Wrench
Vent stack
Figure 2.3 Unscrewing the vent stack
Sep. 07, 2017-00
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