... ,BV,DNV,LR,GL,NK,RINA 3.Single,double rudder Manual Hydraulic Ship Steering Gear 1. Features and ApplicationManual Hydraulic Steering ... it can keep the rudder angle stable during the operation. Manual Hydraulic Steering Gear is suitable for those samll boats and ... CCS,ABS,BV,DNV,LR,GL,RINA etc.We could design and recommend product for u.If u have complete information ...