The Wafer Butterfly Valve le Flange Butterfly Valve ke likhokahanyo tse peli.Mabapi le theko, mofuta oa Wafer o batla o le theko e tlase, theko e batla e le 2/3 ea Flange.Haeba u batla ho khetha valve e tsoang linaheng tse ling, ka hohle kamoo u ka khonang ka mofuta oa Wafer, theko e tlaase, boima bo bobebe.Bolelele ba...
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