... ,120,200 3)PladormMaxHeight(m)16-30 SJPT-B double-ladder stop typeModelPladomMaxHeight(m)Overall Size(mm)Liadcapabilty(kg)RisingSpeed(m ... *1900*32501200.0344800*8001.1*22202800SJPT-B double-ladder stop typeNovel design,double-ladder stop structre double-speed descending systerm,max.ring ... advantageous features of SJPT-B hydraulic elvaor SJPT-B double-ladder stop type