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美标带颈平焊法兰PN2.0MPa(Class150)英寸DN管外径法兰外径孔中心距孔大小孔数密封面外径厚度法兰内径国标密封面外径1/2"1521.39060.51643511.522453/4"2026.910070164431327.5551"2533.711079.51645114.534.56511/4"3242.41208916463.51643.57811/2"4048.313098.51647317.549.5852"5060.3150120.51849219.561.510021/2"6576.1180139.518410522.577.51203"8088.9190152.51841272490.51354"100114.3230190.5228157.5241161555"125139.725521622818624141.51856"150168.3280241.522821625.5170.52108"200219.1345298.522827029221.526510"250273405362261232430.5276.532012"300323.9485432261238132327.537514"350355.653547629.51241335359.543616"400406.460054029.5164703741148518"45045763557832.516533.54046251520"50050870063532.52058443513.560824"600610815849.535.52069248616.5718英寸DN美标垫片内径美标垫片外径英寸DN国标垫片内径国标垫片外径1/2"152343新1/2"1523501"253564新3/4"20286311/2"405082新1"2535702"5062102新11/2"4050903"8091134新2"50621074"100117170新3"80911426"150171215新4"1001171608"200220275新6"1501712158"200220270英寸DN流量计垫片内径流量计垫片外径1"253573新英寸补差垫片尺寸(不分标准)11/2"405095新1/2"90*252"5062111新1"110*383"8091150新11/2"130*504"100117182新2"150*656"150171249新3"190*844"230*1006"280*140