Single Arm Slewing Davit Type: SA21 S.W.L: 21KN Suitable Rescue Boat/ ... Lifeboat: Certificate: ABS,GL,CCS,BV,LR,KR,DNV,RINA,NK Single ... Arm Slewing DavitThe Single Arm Slewing Boat/Raft Davit is mainly ... crane based on client’s requirementThis equipment adopts hydraulic force rotation type. It can land to water surface by itself ...