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Figure 2. ST-772 in a submersed fixed installation
4.3 Pipeline Installation
The ST-772T sensor may be installed in an inline flow application using the Pyxis ST-001 Inline Tee Assembly.
The ST-001 offers 3/4” FNPT thread or socket weld adapters with unions for easy installation and sensor
maintenance. Pyxis recommends installation in a vertical flow format from bottom up to reduce the impact
of water bubbles. To properly install the ST-772T sensor into the ST-001 Inline Tee Assembly, follow the
steps below:
1. Insert the provided O-ring into the O-ring groove on the tee.
2. Insert the ST-772T sensor into the tee.
3. Tighten the tee nut onto the tee to form a water-tight, compression seal.
Ensure the DCC-1 Dissolved Oxygen Membrane Cap is in the direction of water flow as shown in Figure 3.
Figure 3. ST-772T in a pipeline installation using ST-001 Inline Tee Assembly
ST-772/T User Manual service@pyxis-lab.com | +1 (866) 203-8397 7