PVC-U管材系列公称压力S.SDR公称外径壁厚dn(mm)(mm)632.0S16752.3SDR33902.71102.81253.11403.51604.01804.40.63MPaS202004.9SDR412255.52506.22806.93157.73558.74009.8502.0S12.5632.5SDR26752.9903.51103.41253.91404.31604.90.8MPa1805.52006.2S162256.9SDR332507.72808.63159.735510.940012.3公称压力S.SDR公称外径壁厚dn(mm)(mm)402.0502.4S10633.0SDR21753.6904.31104.21254.81405.41.0MPa1606.21806.9S12.52007.7SDR262258.62509.628010.731512.135513.640015.3322.0402.4S8503.0SDR17633.8754.5905.41105.31256.01.25MPa1406.71607.71808.6S102009.6SDR2122510.825011.928013.431515.035516.940019.1–12‐
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