D625 Users Manual
METER – PROCESS FLOW INSTALLATION
The ANALYTICAL FLOW TECHNOLOGIES D625 meter can be mounted in a variety of methods,
however the meter should be as near to the metering point as possible.
Flow rate through the D625 meter is a critical component for performance – the flow rate should be
high enough to achieve temperature stability – but not so high as to cause cavitations/vibration or
severe pressure drop. The recommended flow rates are 1-3 GPM minimum, and 30 GPM maximum.
The diagrams on the following pages are examples of some typical installations. These diagrams
are not intended to encompass all possible configurations for installing the D625 Density Meter.
Please consult ANALYTICAL FLOW TECHNOLOGIES engineers with any questions regarding your
specific installation.
It is critical that you plan your installation according to the “Installation Planning” section outlined
earlier in this manual.
Important considerations for proper installation are:
Adequate flow through the density meter – some method must be used to ensure
proper flow through the meter.
Avoid severe vibration – if the meter is to be installed in an area with severe
vibration, the use of flexible hoses (tubing) is recommended.
Allow adequate distance between the density meter and pump (if installed)
Gas/Air bubbles must not be present in the meter during normal operation.
Horizontal mounting of the meter is recommended.
Locate the meter in a suitable location for convenient access during periodic
maintenance.
Avoid installing in areas where the temperature effects from the ambient
environment are severe. The use of an insulation jacket may be required depending
on your installation.
ANALYTICAL FLOW TECHNOLOGIES Engineers can design a system installation tailored
to your specific requirements.
API Chapter 14, Section 6, outlines density meter and Pycnometer installation for Natural
Gas Liquid applications.
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