Installation
2–14 H
2
S in Natural Gas
4. Tighten all fittings to fitting manufacturer’s specifications. Secure
tubing to appropriate structural supports as required.
5. Check all connections for gas leaks. SpectraSensors recommends
using a liquid leak detector.
To connect the sample return line:
1. Determine appropriate tubing route from the analyzer to an
unrestricted vent or flare in a safe area.
2. Run stainless steel tubing from the sample return port to an
unrestricted vent or flare in a safe area. Bend tubing using industrial
grade benders, check tubing fit to ensure proper seating between
the tubing and fittings. Fully ream all tubing ends.
3. Connect the sample return tube to the analyzer using the 1/4”
stainless steel compression-type fitting provided.
4. Tighten all fittings to fitting manufacturer’s specifications. Secure
tubing to appropriate structural supports as required.
5. Check all connections for gas leaks. SpectraSensors recommends
using a liquid leak detector.
6. Be sure to vent the bypass return port, pressure relief vent port, and
DBB valve vent port (if applicable) in a similar fashion when the unit
is in use.
Connecting the Optional Automatic Validation
Gas (If Applicable)
For systems with optional automatic validation, an appropriate validation gas
source (H
2
S in methane) will need to be connected to the analyzer.
To connect the validation source:
1. Determine appropriate tubing route from the customer-supplied
validation gas source to the analyzer.
2. Run stainless steel tubing from the validation source [regulated to
30 psig (2.1 barg)] to the “H
2
S in Methane Only” inlet port. Bend
Do not exceed 10 psig (0.8 barg) in sample cell. Damage to cell
window may result.
Do not exceed 10 psig (0.8 barg) in sample cell. Damage to cell
window may result.
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