Ama-valve esango le-DM avame ukukhethwa kwizicelo eziningi zenkundla yamafutha, okuhlanganisa:
·Izinhlelo ze-MPD ziyazenzakalela
·Amavalvu ebhulokhi ephampu amaningi
·Imigqa yokuxuba udaka enengcindezi ephezulu
·Amapayipi ophayiphi omile
·Ama-valve esistimu yokumba enomfutho ophezulu
·Amakhanda
·Ukuphatha kahle kanye nesevisi ye-frac
·Ukukhiqiza okuhlukahlukene
·Izinhlelo zokuqoqa ukukhiqiza
·Imigqa yokugeleza kokukhiqiza