Imveliso entsha eyilelwe ukunika lula, ukuqina kunye nokuguquguquka ekulawuleni ukuhamba kolwelo kunye neegesi.Yenziwe ngobunjineli obuphezulu beplastiki ye-ABS, le valve yebhola inokumelana namaqondo obushushu agqithisileyo kunye neemeko ezinzima, iqinisekisa ukusebenza okuhlala ixesha elide.
Uphawu olwahlukileyo lwale valve yebhola etshixwayo kukukwazi ukutshixa ukujikeleziswa kwe-bi-directional, ukubonelela umsebenzisi ngenketho yokukhusela ivalve kwindawo oyifunayo.Le ndlela yokutshixa yongeza umaleko owongezelelekileyo wokhuseleko ukuze kuthintelwe ukuvuleka okanye ukuvala ngempazamo, nto leyo enokukhokelela kumonakalo oneendleko ezinkulu okanye iimeko eziyingozi.Nge-twist elula, abasebenzisi banokutshixa ivalve endaweni, ibanike uxolo lwengqondo kunye nokulawula inkqubo yabo.