Proper selection of air and dirt separators is always based upon system flow with connection size as a minimum.
Peak efficiency can only be reached when selecting based upon GPM flow in accordance with manufacturer's published data.
Enter the system flow in the box below to determine the proper selection in both our standard and high-velocity models.
Please enter a numeric value for GPM (Gallons per Minute)
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Standard Units
Standard unit selection is based upon an entering velocity of up to 6 feet per second.
This should be considered the maximum recommended entering velocity.
High Velocity Units
High Velocity unit selection is based upon an entering velocity of up to 10 feet per second.
This should be considered the maximum entering velocity. Using a smaller unit than shown is not recommended.