Warshadaha macdanta oo ay ku jiraan macdanta & birta (ka faa'iidaysiga + dhalaalinta) waxay leeyihiin shuruudo sare oo loogu talagalay valves ee xaaladaha daran ee macdanta iyo hababka dhalaalidda.Dhexdhexaadiyaha sida caadiga ah wuxuu leeyahay sifooyin qaybo waaweyn, qallafsanaan sarreeya, viscosity sare, acid xoog leh iyo alkali, iwm. Waalka waa inuu ahaado mid u adkaysta, daxalka u adkaysta, oo aad u fiican waxqabadka wareegga marka la dooranayo valve.HIVAL® waxa ka mid ah alwaaxyada iridda mindida, biraha birta ah ee kubbadda ku fadhida, labanlaab/saddex-jibbaaran alwaaxyada balanbaalista, kuwaas oo guud ahaan ka samaysan birta shubka ah, birta kaarboonka, birta aan lahayn, iwm.