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Daniel 3812 Liquid Ultrasonic Flow Meter Installation Manual Section 2: Mechanical installation
3-9000-765 Rev D March 2013
Piping recommendations 29
Sunshields, provided by the customer, may be required to prevent exceeding the process fluid
temperature when the meter is mounted in a location with extremely hot climates.
Flow conditioning is recommended for best measurement results.
• Ho
ned or un-honed meter tube(s)
• Fl
ow direction (unidirectional or bidirectional)
• Cor
rect meter size selection - too low may cause poor flow stability (thermal
convection or too fast may cause erosion problems and resonance, cracks or failure of
probes or thermowells (approximately .6 to 12 m/sec or 2 to 40 ft/sec).
• Spac
e availability for meter lengths (to allow inlet piping customization)
• Con
centric alignment pins or flange concentricity technique considerations
Figure 2-5 Piping recommendations un
idirectional flow
SUNSHIELD PROTECTION
Install a sunshield to prevent prolonged exposure to direct sunlight in extreme climates.
Failure to shield the meter may result in exceeding the process temperature range and damage
transmitter electronics.
For optimal flow measurement conditions, Daniel suggests the piping configurations below.
Regardless of the configuration selected, the user agrees to accept full responsibility for the
site piping design and installation.