SGD(A)SF- 1.6 ,2.5 型钢制套管伸缩器　　基本尺寸DN最小
L1安装
L2
L3单重
KgDN最小L1
安装L2
L3
单重
KgDN最小L1
安装L2
L3
单重
Kg401702002106.75400260300360120140045052560015705017021022010.25450290370390180160045052560020508022524030518500320370440225180056063571025001002302703102460032537044528020006006757502800