Iimveliso eziphambili ze "GILL" ikakhulu ziyi-part-turn manual kunye ne-actuator yeentshulube zombane, ezihambelana nemigangatho ye-GB/T12223, ISO 5211 kunye nezinye iimfuno ezikhankanyiweyo, iimveliso zisetyenziselwa ukulawula ivalve, njenge-Butterfly valve/ Ivalve yebhola/ivalve yeplagi/ kunye nezinye iintlobo.Izinto zomzimba wegiya leentshulube ubukhulu becala yi-QT450 kunye nezinye, izixhobo zegiya zinokuba: QT450-10, QT500-7, QT600-3, C95800 kunye nezinye.Ngaphezu koko, i-GILL inokwenza ngokwezifiso iigiya zeentshulube okanye izixhobo zokuhambisa ngokusebenza okuphezulu.