Chophimba cha valavu ichi chokhala ndi ufa chapangidwa ngati cholumikizira chothandizira kapangidwe kake pakati pa mavavu a mpira ndi ma actuator awo, kuonetsetsa kuti kulumikizana kwa makina kuli kolondola komanso kokhazikika. Chopangidwa ndi chitsulo champhamvu kwambiri ndikukonzedwa ndi utoto wolimba wa ufa, chimapereka kukana dzimbiri komanso kulimba kwa makina m'malo ovuta kwambiri amafakitale.
Kapangidwe kake kali ndi ma flange awiri okhala ndi mabowo a bolt opangidwa ndi makina, zomwe zimathandiza kuti zikhale zosavuta kulumikiza ndi ma interfaces okhazikika a ISO kapena okonzedwa mwamakonda. Nthiti zolimbitsa mkati zimathandizira kulimba, kuchepetsa kupotoka pansi pa katundu wozungulira. Thupi lake lolumikizidwa ndi sikweya limapereka kukhazikika kwa magawo ndipo limatsimikizira kukhazikika pakati pa valavu ndi ma shaft a actuator.