General Piping Guidelines - Honeywell SmartLine ST 700 User Manual

4.5.3 General Piping Guidelines

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When measuring fluids that contain suspended solids, install permanent valves at regular
intervals to blow-down piping.
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Blow-down all lines on new installations with compressed air or steam, and flush them with
process fluids (where possible) before connecting these lines to the transmitter Meter body.
•
Verify that the valves in the blow-down lines are closed tightly after the initial blow-down
procedure and each maintenance procedure thereafter.
Revision 13
ST 700 SmartLine Pressure Transmitters User's Manual
Page 25