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Chapter 2 Installation of this Device
(3) Sealed Tank Piping
(i) Dry leg recommended piping example
A typical sealed tank dry leg liquid level piping example is illustrated below.
Be sure to implement the following items.
• Connect the high pressure side of the device to the lower portion of the tank, and connect the
low pressure side to the tank's gas seal pipe.
• Install the device in a location that is lower than the minimum level of the liquid to be measured.
• After doing the piping work, confirm that there are no pressure leaks in the connecting pipes,
the three-way manifold valve, the transmitter, etc.
• For the purpose of connecting pipe maintenance, use T-joints to attach drain valves.
Figure 2-42. Liquid Level Measurement (Sealed Tank, Dry Leg) Piping Example
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