Iivalvu zebhola zePVC True Union ziyafumaneka ngokobungakanani ukusuka ku-½” ukuya ku-4”, zibonelela ngendlela efanelekileyo nesebenzayo yokulawula ukuhamba kwenkqubo. Ivalve inokuvulwa okanye ivalwe ngokulula ngokujika isiphatho seplastiki sibe yikota. Ezi zivalo zibandakanya amalungu omanyano aphindiweyo, okwenza kube lula ukusetyenzwa kunye nokugcina, nokuba ukulungiswa okanye ukubuyisela. Inxalenye ephambili yevalve, ebizwa ngokuba yi-bracket, ibamba isibambo kunye nebhola kwaye inokususwa kumgca wenkonzo elula ngaphandle kokuqhawula yonke inkqubo. Iivalve zebhola zoMdibaniso wenyaniso ziyafumaneka ngesokethi okanye iziphelo ezinemisonto kwaye kuyacetyiswa ukuba usebenzise iglu yePVC okanye intambo yomsonto xa ufaka ivalve kumbhobho. Ezi zivalo zomelele kakhulu kwaye zivavanywe ukumelana noxinzelelo ukuya kwi-150 PSI, okwenza ukuba zilungele ukusetyenziswa kwizicelo zoshishino apho ukuphendula ngokukhawuleza kunye nokulula ukulungiswa kubalulekile.