Taylor-Wharton LP3 - Manual (Page 7)

Fill and Vent Circuits
The liquid valve (V-7) communicates with the bottom of the vessel. A stainless steel tag labeled “LIQUID”
identifies the valve and the liquid connection (CN-4). Liquid is added or removed from the vessel through
this connection and valve.
The vent / trycock valve (V-4) is attached to a vertical tube in the upper portion of the vessel. The open end of
the tube is positioned at 90% liquid level based on the vessel volume. Opening the vent valve reduces
pressure in the vessel during filling. It also severs as a “full trycock”, venting liquid from the vessel when the
liquid level exceeds 90%. A tag labeled “VENT” is attached to this valve.
V-7
V-4 CN-4
CN-3
Figure 2: Fill and vent circuits highlighted in blue.
(Frame omitted from view for clarity.)
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