I-Fire Fighting Grooved Flanged RAL3000 Resilient OS&Y NRS Gate Valves sisixhobo esisebenza ngesandla, esinganyukiyo esinokumelana nevalve yesango le wedge eyenzelwe ukusetyenziswa kwiinkqubo zokukhusela umlilo ukuze ivule/cinywe ukusebenza kuphela. Umzimba we-iron ductile lightweight uvumela ukuphatha lula kunye nokunciphisa iindleko zokuthumela.