I-valve yokuxhuma iyingxenye edingekayo ekusebenzeni kukasimende nokuqhekeka ezindaweni zikawoyela nezimayini kanye nokulawula uketshezi olunomfutho ophezulu ofanayo. Ifaka ukwakheka okuhlangene, ukugcinwa okulula, i-torque ephansi, ukuvulwa okusheshayo nokusebenza okulula okuyi-valve ekahle kakhulu phakathi kwama-nifolding usimende nokuqhekeka njengamanje. (Amazwana: i-valve ingavulwa noma ivalwe kalula ngaphansi kwe-10000psi.)