座挂两用滑轮 用途：可作挂钩式使用，又可作朝天式使用。型  号外径/轮宽额定负荷重量备注　(mm)(KN)(kg)HY035-01Φ80/5051.9铝轮HY035-02Φ120/3052.1铝轮HY035-03Φ160/40102.5铝轮HY035-04Φ120/58203.5铝轮HY035-05Φ80/5051.4　尼龙轮HY035-06Φ120/3051.6尼龙轮HY035-07Φ160/40102尼龙轮HY035-08Φ120/58202.5 尼龙轮