FOLDING TYPE
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| The folding type hatch cover,to a cover consisting of two panel which are connected | |
| by a hinge jount to form a folding pairs. In many cases cover consists of two folding | |
| pairs .One pair is stowed at the after end of the hatch and the other forward .The fold | |
| pair is operated by the hydraulic cylinders act directly on the end hinge arms which | |
| are connected at stools on the deck. | |
| When the cylinders push the end panel up from closed position, the cover is folded | |
| and the second panel is fitted with the wheels, rolls on the rails to the stowage position | |
| The panels are usually secured in the open position by semi automatic hooks interact | |
| interacting with the wheel arms. | |
| Today the folding type hatch cover is widely used on the bulk carrier. With a ever more |  |
| effieient cargo working in port being objectived ,a modern dry crgo vessels are tending | |
| to develop to a more open trend , the size of the hatch compared with the deck area is | |
| is growing.This implies that there less stowage space available for the hatch cover ,and | |
| space which has made high-stowing hydraulic folding over popular used in the shipping | |
| industry . It is smooth on the operation and postive control the panel when closed and | |
| open. |
| Hatch Cover System : |  |
| .Hydraulic cylinder driving the hatch cover | |
| .Rubber seal keep the watertight | |
| .Hatch wheel function of the hatch movement | |
| .Cleats locked guareente the hatch safety and watertight. | |