锥齿轮氧气专用截止阀型号：JY541W口径：15～400MM压力：2.5～4.0Mpa温度：常温材料：碳钢、不锈钢、硅黄铜设计标准：JB、GB、ANSI、BS、API、ISO、DIN、NF齿轮传动氧气截止阀公称压力公称直径DN(mm)DD1D2KLL1FF1CZ-dHH11.6DN50160100/1252301703/164-φ18550475DN65180120/1452901703/184-φ18650565DN80195135/1603101703/208-φ18670615DN100215155/1803501703/208-φ18750665DN125245185/2104001703/228-φ18800715DN150280210/2404802333/248-φ23910810DN200335265/2956002333/2612-φ2310008502.5DN50160100/1252301703/204-φ18550475DN65180120/1452901703/228-φ18650565DN80195135/1603101703/228-φ18670615DN100230160/1903501703/248-φ23750665DN125270188/2204001703/288-φ25800715DN150300218/2504802333/308-φ25910810DN200360278/3106002333/3412-φ2510008504DN501601008812523017034204-φ18550475DN6518012011014529017034228-φ18650565DN8019513512116031017034228-φ18670615DN10023016015019035017034.5248-φ23750665DN12527018817622040017034.5288-φ25800715DN15030021820425048023334.5308-φ25910810DN20037528226032060023334.53812-φ301000850)