Li-valve tsa khatello ea khatello ea DBD ke li-valve tsa poppet tse sebetsang ka ho toba. Li sebelisetsoa ho fokotsa khatello tsamaisong ea hydraulic. Li-valve haholo-holo li na le sleeve, selemo. poppet e nang le damping spool (mekhahlelo ea khatello ea 2.5 ho isa ho 40 MPa) kapa bolo (mohato oa khatello ea 63 MPa) le karolo ea phetoho. Boemo ba khatello ea tsamaiso bo fetoha ka mokhoa o ke keng oa lekanngoa ka ntho ea ho lokisa. Mocha oa P o amana le tsamaiso. Khatello e teng tsamaisong e sebelisoa sebakeng sa poppet (kapa beile)

Haeba khatello ea mocha P e phahama ka holim'a valve e behiloeng nakong ea selemo, poppet e bula khahlanong le selemo. Hona joale mokelikeli oa khatello o phalla ho theha mocha oa P ho kanaleng T. Leqeba la poppet le lekanyelitsoe ke pin. E le ho boloka maemo a matle a khatello holim'a mefuta eohle ea khatello ea khatello ea khatello e arotsoe ka mekhahlelo ea 7 ea khatello. Mokhahlelo o le mong oa khatello o lumellana le selemo se itseng bakeng sa khatello e phahameng ea ts'ebetso e ka 'nang ea behoa le eona.