Long Distance conveying distances between 300m and 1500m.High Tonnage Rate.up to 200 tonne/hour.Dry free-flowing materials.must feed through the dispensing valve.Most efficient with fluidisable powders these allow low conveying velocity. examples are :Cement，Fly-Ash， Ground Limestone ，Pulverised Coal 。

Continuous Operation  K-Pumps operate most efficiently where they can run continuously. 

Stops and starts reduce efficiency as the system takes time to get up to operating pressure.

The lower pressure associated with stops and starts also gives high velocities and consequently more pipe wear.

K-Pump is started when high level probe in feed hopper is covered and runs until low level is uncovered.