工作温度碳钢425℃；合金钢570℃阀体材料V型：ZG20CrMoV其余型：ZG25WCB适用介质水、蒸汽闸阀主要尺寸及重量型号公称通径DN/mm主要尺寸/mm重量/kgLD1D2Z460Y-560462200562P54100V461561150650164200302175750186223426200800200262445225850233282465250950275325102030011943123801820Z460Y-560250462320562P54140V461P54170V561100525100133205125600129168220150700150200310175750170223430200800200262450225850220282480250950265325108030011943053801850注：(1)焊接口尺寸可根据用户要求生产。(2)中部可法兰连接或自密封式由用户自定。)