.
Umzobo wangaphakathi nangaphandle olwenziwe yinto ebalulekileyo yokhuseleko olubalulekileyo. Ezinye ii-valves ezizenzekelayo ezizenzekelayo zidla ngokuvela kwisiqu nokulawula ukujikeleza okanye ukuhamba kwe-spool ngombane, i-pneumatic kunye ne-hydrausic. Zonke ezi mfuneko zokucombulula ingxaki ye-valve snamic yokwahlula itywina lokuvula ixesha elide - isenzo senyathelo; I-elektromagnetic amandla e-Iron Core, kwaye itywina ligqitywa kwi-magneting inshurensi, ngaphandle kwetywina elinamandla, ngoko ke ukuvuza kulula ukuvalwa. Ukulawulwa kwe-torque yevalve yombane akulula, kwaye kulula ukubangela ukuvuza kwangaphakathi, kwaye wenze i-valve yentloko yentloko; Ubume be-ross ye-ross clove ilula ukulawula ukuvuza kwangaphakathi kude kube zero. Ke ngoko, ukusetyenziswa kweevalves zodwa zikhuseleke ngakumbi, ngakumbi kwimithombo yobushushu yeqondo lobushushu.
(2) Isenzo esikhawulezayo, amandla amancinci kunye nobume bokukhanya.
Ixesha lokuphendula le-ross cloloid e-United States lingamfutshane njengemiliza embalwa, kwaye inokuthi ilawule ivalve ye-pilot ye-pilot ye-cens. Ngenxa yesekethe elizimeleyo, inobuthathaka ngakumbi kuneevali zokulawula ezizenzekelayo. Uyilo olufanelekileyo lwe-boleloid i-bolevel ye-valve iphantsi kakhulu, yeyabantu {2}- ukonga iimveliso; Unokufezekisa kuphela isenzo esibande kakhulu, gcina isikhundla sevali, ngesiqhelo akukho ntshukumo yamandla. Ivalve ye-solenoid inomthamo omncinci, ukugcinwa kwendawo, ukukhanya kunye nokuba mhle.
(3) Inkqubo ilula, kulula ukuyisebenzisa kwaye iphantsi.
