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Qv947h-16c Electric V-Port Fixed Ball Valve Wcb Carbon Steel Body Metal Hard Seal Pn16 Flanged V-Ball Control Valve for Slurry Particle Medium, Find Details and Price about V-Port Fixed Ball Valve Qv47h-16c from Qv947h-16c Electric V-Port Fixed Ball Valve Wcb Carbon Steel Body Metal Hard Seal Pn16 Flanged V-Ball Control Valve for Slurry Particle Medium - Derun Environmental Protection Technology (Tianjin) Co., Ltd.