Setulo sa DN500 PN10 sa 20inch Cast Iron Wafer Butterfly Valve se ka nkeloang sebaka ke rabara (EPDM/NBR)

Hangata re ka kgotsofatsa bareki ba rona ba hlomphehang ka boleng ba rona bo botle haholo, theko e ntle haholo le tšehetso e ntle ka lebaka la hore re bile litsebi haholoanyane ebile re sebetsa ka thata haholo 'me re e etsa ka tsela e theko e tlaase bakeng sa Mofani ea Tšepahalang oa DIN/ANSI Cast Iron Wafer Double Stem Butterfly Valve, Nako le nako, re ntse re ela hloko lintlha tsohle ho netefatsa hore ntho e 'ngoe le e 'ngoe e khotsofatsoa ke bareki ba rona.
Mofani ea Tšepahalang oa China Cast Iron Wafer Double Stem Butterfly Va le Cast Iron Butterfly Valve, ka lebaka la k'hamphani ea rona e 'nile ea phehella mohopolo oa tsamaiso oa "Ho Pholoha ka Boleng, Nts'etsopele ka Tšebeletso, Rua Molemo ka Botumo". Re hlokomela ka botlalo boemo bo botle ba mokitlane, thepa ea boleng bo holimo, theko e utloahalang le lits'ebeletso tse ikhethang ke lona lebaka leo bareki ba re khethileng ho ba balekane ba bona ba khoebo ba nako e telele.