Casting valve yog cam khwb cia rau hauv lub valve, qhov dav dav casting valve siab qib yog qis (xws li PN16, PN25, PN40, tab sis kuj tseem muaj siab, tuaj yeem yog 1500Lb, 2500Lb), caliber feem ntau yog ntau tshaj DN50.Forged valve yog forged tawm, feem ntau siv nyob rau hauv qib siab pipeline, caliber ...
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