管径尺寸螺纹规格.doc

公称内径外径公称内径外径DN2534DN150168(159)DN3242DN200219DN4048DN250273DN5060(57)DN300325DN6576DN350356(377)DN8089DN400426DN100114(108)DN450DN125133DN500508(530)管径尺寸对应表 管径尺寸对应表公称尺寸寸 -DN外径长度公称尺寸DN外径长度I系列II系列I系列II系列 1521.31825350355.6377165 2026.92525400406.44261781寸 2533.732384504574802031.2寸 3242.438385005085302291.5寸 4048.345385505592542寸 5060.357386006106302673寸 6573.076386506602673.5寸 8088.989517007117202674寸 90101.664750762267100114.310864800813820267125141.313376850864267150168.315989900914920267200219.1219102950965305250273.0273127100010161020305300323.932515210501067305灰色为自己不确定的寸设备型号与调压器对应表设备型号调压器型号RTZ 21/65 FQA109+B100RTZ 21/80 FQA149+B249RTZ 21/100 FQMBN 2565+ A109RTZ 21/150 FQMBN 4080+A149RTZ 21/150 AFQMBN 50100+A149攻丝前钻底孔用钻头直径尺寸1、公制螺纹钻底孔用钻头直径尺寸表公称直径d螺距t钻头直径dz公称直径d螺距t钻头直径dz1粗0.250.7524粗320.9细0.20.8细221.92粗0.41.61.522.5细0.251.751233粗0.52.527粗323.9细0.352.65细224.94粗0.73.31.525.5细0.53.51265粗0.84.230粗3.526.3细0.54.5细326.96粗15227.9细0.755.21.528.58粗1.256.7129细1733粗3.529.30.757.2细329.910粗1.58.5230.9细1.258.71.531.51936粗431.80.759.2细332.912粗1.7510.2233.9细1.510.51.534.51.2510.739粗434.8111细335.914粗211.9236.9细1.512.51.537.51.2512.742粗4.537.3113细437.816粗213.9338.9细1.514.5239.91151.540.518粗2.515.445粗4.540.3细215.9细440.81.516.5341.9117242.920粗2.517.41.543.5细217.948粗542.71.518.5细443.8119344.922粗2.519.4245.9细219.91.546.522细1.520.552粗546.7121细447.8348.9249.91.550.5 2、时制螺纹钻底孔用钻头直径尺寸表公称直径（时）每时牙数钻头直径公称直径（时）每时牙数钻头直径铸铁、青铜钢、黄铜铸铁、青铜钢、黄铜3/16243.73.77/8919.119.31/4205.05.11821.9225/16186.46.51-1/8724.624.73/8167.87.91-1/4727.827.97/16149.19.31-1/2633.433.51/21210.410.51-5/8535.735.89/16121212.11-3/4538.9395/81113.313.51-7/84-1/241.441.53/41016.316.424-1/244.644.7 3管螺纹钻底孔用钻头直径尺寸表公称直径（时）每时牙数钻头直径（毫米）公称直径（时）每时牙数钻头直径（毫米）1/8288.811130.51/41911.71-1/81135.2