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 1500LD, 2500LB), feem ntau ntawm cov caliber yog ntau tshaj DN50.Forging li qub yog forged tawm.Lawv feem ntau yog siv nyob rau hauv qib siab pipel ...
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