Pri izbiri je treba upoštevati veliko dejavnikov aksialna črpalka z deljenim ohišjem in tekač pravilno. 

Najprej moramo vedeti, kam je treba transportirati tekočino in s kakšno hitrostjo pretoka. Kombinacija zahtevane višine in pretoka se imenuje delovna točka. Delovna točka je neposredno povezana z zahtevano geometrijo rotorja. Aplikacije z dolgim ​​navpičnim črpanjem (visoka višina) zahtevajo rotorje z večjim zunanjim premerom kot aplikacije s kratkim navpičnim črpanjem (črpanje).

Another consideration that is directly related to impeller size is the expected solids content in the application. Many applications have a variety of solids in the pumped media. These solids can range from small abrasive debris such as sand or metal shavings to fine fibrous materials to large solids the size of a baseball or larger. The pump and impeller selected must be able to pass these solids while avoiding clogging and damage from wear. Additional consideration must also be given to the equipment downstream of the axial split case pump. While a pump can be selected to pass a specific type of solids, it cannot be assumed that the downstream piping, valves, and other process equipment will have the same solids handling capabilities. Knowing the expected solids content in the liquid is critical not only to selecting the right size pump and impeller, but also to selecting the impeller style that best suits the application.

Eden najpogostejših tekačev za ravnanje s trdnimi snovmi je odprti tekač. Ta rotor se običajno uporablja pri čiščenju odplak in odpadnih voda in ima geometrijo, ki vključuje prehode med lopaticami z odprto stranjo, obrnjeno proti vstopu. Prostori med lopaticami zagotavljajo gladko pot rotorju za potiskanje vhodnih trdnih snovi iz sesalne odprtine rotorja v spiralo in na koncu skozi izpust črpalke.

Druga možnost za ravnanje s trdnimi snovmi je vortex ali vdolbino rotor. Ta vrsta rotorja je nameščena v ohišju (ustvarja velik odprt prostor med rotorjem in sesalno odprtino) in povzroča gibanje tekočine skozi vrtince, ki jih ustvari hitro vrtenje rotorja. Čeprav ta pristop ni tako učinkovit, zagotavlja številne prednosti za prehod trdnih snovi. Glavne prednosti so velik prosti prostor in minimalna ovira za prehod trdnih snovi.

Pumps used at high altitudes have their own set of solids handling considerations. Since these applications typically use smaller piping, the solids passage size of the entire system must be considered, not just the pump. Typically, the axial split case pump manufacturers offering high-pressure pumps will include a strainer at the inlet to prevent large solids from entering the pump. 

This is ideal for high-pressure applications where minimal solids are expected, but can cause clogging if enough solids accumulate around the screen surface.

There are many factors to consider when choosing the right axial split case pump and impeller, and understanding the various styles of pumps and impellers is often one of the most critical steps.