I-Fire Fighting Grooved Flanged RAL3000 Resilient OS&Y NRS Gate Valves isetshenziswa mathupha, engavuki i-valve yesango eqinile yesiqu eklanyelwe ukusetshenziswa ezinhlelweni zokuvikela umlilo ukuze isebenze ngokuvula/ukuvala kuphela. I-lightweight ductile iron body ivumela ukuphatha kalula kanye nezindleko zokuthumela ezincishisiwe.