I-valve ye-vacuum butterfly isetshenziselwa ukufaka noma ukunqamula ukugeleza komoya epayipini le-vacuum, isakhiwo sokubopha ipuleti le-valve, i-valve plate evala indandatho, idlala indima engcono yokuvala.
I-GID yochungechunge lwe-valve yevacuum kagesi ephezulu isebenzisa idivayisi ye-valve ejikelezayo kagesi neye-elekthronikhi ukuze ibone ukulawula ukuvuleka kwe-valve nokuvala noma indawo ephakathi ngokushintsha amandla angaphandle noma isignali yokufaka yangaphandle, ukuze kuxhumeke noma kunqamule ukugeleza komoya ngaphakathi. ipayipi le-vacuum.Indawo yokusebenza esebenzayo umoya negesi engagqwali.