柔性防水套管：L=300

规格：

DN50/DN80/DN100/DN125/DN150/DN200/DN250/DN300/DN350/DN400/DN450/DN500/DN600/DN700/DN800/DN1000/DN1200

刚性防水套管：L=200

规格：

DN50/DN80/DN100/DN125/DN150/DN200/DN250/DN300/DN350/DN400/DN450/DN500/DN600/DN700/DN800/DN1000/DN1200/DN1400/DN1600/DN1800/DN2000