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Installation - Flow Meter
Prior to installing the flow meter remove the storage caps from the ports and look carefully
into each port of the meter. Ensure that no dirt or foreign particles have gotten into the ports
of the meter. Make sure that adequate filtration exists upstream of the flow meter and that no
contaminants exist in the line between the filter and flow meter. It is recommended that the flow
meter be connected to the circuit by means of unions close to the flow meter to allow easy removal.
A by-pass valve should be installed between the inlet and outlet ports in parallel to the flow meter
to allow flow through the system in the event that the flow meter becomes blocked by foreign
material.
Operation
Confirm that the following parameters of your flow metering system are within the specifications
for the meter being used:
Maximum System Pressure
Differential Pressure across meter
Maximum Flow Rate
Metered Fluid Temperature
If the metered fluid is a solid at room temperature, it is critical that it be fully melted before
applying pressure to the meter in order to avoid excessive loading on the bearings or potentially
fracturing the sensor magnet. To determine melt times, measure the surface temperature as near
as possible to the transmitter. Wait until the body temperature exceeds the melting point, allowing
additional time if the fluid is a poor heat conductor.
Starting with the valving to the flow meter closed, slowly open the bypass valve to establish flow.
Then slowly open the inlet and outlet valves at the flow meter. When the meter turns smoothly and
you detect a flow signal, slowly close the bypass valve completely.
If a bypass valve was not installed in the system, initiate flow in the system as gradually as possible.
If you do not generate a flow signal, or the line pressure increases, stop the pump and allow more
time for the material in the meter to liquefy.
No routine maintenance, cleaning, or lubrication of the flow meter is required. A routine filter
cleaning schedule should be established. The system should be shut down if abnormal noises occur
or if unusual differential pressures across the meter are encountered.
For further detailed information on installation, refer to the G-series Installation Instructions
(included with each unit at shipment) available on our website, www.maxmachinery.com
(Specification sheet)
(Pressure Drop Curves)
(Pressure Drop Curves)
(Specification sheet)
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