输泥钢管内径￠（mm）钢管厚度（mm）浮体内径￠（mm）浮体外径￠（mm）浮体长度（mm）浮体中间长度（mm）浮体两端长度（mm）塑料壳厚度（mm）备注350638010001000600200x25注：据惯例，浮体每两对为一组，一对有两片组成。如钢管长度加长 需加浮体一对。 414643012001200700250x26450848013001300800250x26500853013001400840250x275501058014001500900300x2760010630145016501050300x2865012680150018001200300x2870012730160019001200350x21075012780170019001200350x21080016830180020001200400x21285016880200025001500500x212
