锻钢止回阀 H11H-100C,H11H-150C,H11H-200C,H11H-16P,H11H-25P,


螺母


A1942H


A1944


A1948


A1948M




适用介质


水、蒸汽、油品等


水、蒸汽、油品等


硝酸、醋酸等

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