I-Delivery Valve 096420-0510 inezinto eziqinile zekhwalithi ephezulu kanye nobuciko obuhle kakhulu, kanye nochungechunge olusetshenzisiwe lokuhlola esikhungweni se-RD ngaphambi kokuba lufakwe ohlwini, luhlinzeka ngokusebenza okuthembekile nempilo ende yesevisi yale nto.