Yamatake Corporation Installation
ST3000 Smart Transmitter Series 900 Electronic Differential Pressure/Pressure Transmitter 4-21
ATTENTION
For liquid or steam, the piping should slope a minimum of 25.4 mm (1 inch) per 305
mm (1 foot). Slope the piping down towards the transmitter if the transmitter is below
the process connection so the bubbles may rise back into the piping through the liquid.
If the transmitter is located above the process connection, the piping should rise verti-
cally above the transmitter, then slope down towards the flowline with a vent valve at
the high point. For gas measurement, use a condensate leg and drain at the low point
(freeze protection may be required here).
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