IHikelok ineemveliso ezahlukeneyo, kuquka iivalvu zezixhobo kunye nezinto zokufakelwa, iimveliso zoxinzelelo oluphezulu kakhulu, iimveliso zobumsulwa obuphezulu kakhulu, iivalvu zenkqubo, iimveliso zokucoca, inkqubo yokulinganisa, inkqubo yokufakela kwangaphambili, iyunithi yoxinzelelo kunye nezixhobo zezixhobo.
Iivalvu ze-diaphragm zesixhobo seHikelok DV1, DV2, DV3, DV4, DV5, DV6. Uxinzelelo olusebenzayo luqala kwi-250psig (17.2bar) ukuya kwi-3,500psig (241bar).
