Pump Selection

Pump Selection Tables


(D) Indicates that close-coupled types also available

(G) Indicates that gland-packing types also available

Wetted Materials

Choose from SS304, SS316, or FC (Cast Iron) as the wetted parts materials according to your production needs.

Nozzle Assembly

An inlet nozzle and check valve assembly for the air / gas / secondary liquid line come standard with all models and configurations types and specified to each model size accordingly.

Assembly Configuration Options

1) Bare Pump

The KTM pump core is available without motor or base. Please contact us with any questions on motor selection or base design.

2) Coupling Type (Base Mounted)

This configuration includes the bare pump, pump base (channel base), and coupling set with coupling guard. Please contact us with any questions on motor selection.

3) Close-couple Type (Monoblock)

This pump configuration includes an enclosed motor without the base. Motors are three phase IE3 premium efficiency motors available at various voltages. Close-couple types are only available within the KTM15 to KTM40 size range. It should be noted that this configuration may not be available in certain regions, however please contact us with your special requests and inquiries.


For your convenience small sized microbubble generator units including all necessary components for quick startup (piping, gauges, air flow meter, tank) are available at special pricing. Please send us your inquires on how to acquire this special trial unit.

KTM80S Base-Mounted Pump

KTM25ND Monoblock Pump