Iimodeli ze-UR kunye ne-UM, i-oyile kunye neGrisi
Iivalvu ze-U-Block zokuhlukanisa, iimodeli ze-UR kunye ne-UM, zenzelwe ngokukodwa ukusetyenziswa kwiinkqubo zokuthambisa eziqhubekayo.Ulungelelwaniso lwendawo yokuphuma lukhona olukuvumela ukuba ulungelelanise ivalve yesahluli kwiinkcukacha zakho zokuthambisa.Imivalo yeCrossport nayo iyafumaneka ukuze ukwazi ukuphinda kabini ukukhutshwa kwevolumu apho kuyimfuneko.
