China Aluminum Water Tight Hatch Cover Steel Hatch Covers

Aluminum Water Tight Hatch Cover/Steel Hatch Covers

Aluminum Water Tight Hatch Cover/Steel Hatch Covers:

Hatch cover is a general term for the covers and lifting and closing devices of various hatches on board.The main function of the hatch cover is to ensure that the waves and rain do not invade the cargo hold .According to the size of the hatch is divided into large hatch cover and small hatch cover.The former is used for loading bulk dry goods, supplies or vehicles on the cargo compartment, also known as the cargo compartment cover;The latter is used in the cargo compartment for loading liquid cargo, refrigerated cargo, etc., as well as the access hatch and manhole for personnel.According to the material and type of the hatchcover cover, there are a whole wooden or metal hatchcover, wooden assembled hatchcover, metal or fiberglass made of the box or corrugated profile board composed of assembled hatchcover.Small hatchcovers are generally opened and closed by manual operation, while large hatchcovers must be opened and closed by mechanical devices driven by electricity or hydraulics.According to the transmission mode can be divided into rolling hatch cover, rolls, including vertical, oblique, buy sets of home-based, roll shift type including lateral type, cascading, roll type, hinged including hinge type, folding type, etc, according to the tightness score airtight and watertight and oil tight, close the hatch cover, etc., according to different tightness requirements between hatch cover plate and adjacent components respectively equipped with by the layering, packing, gaskets, consisting of pressure sealing device or sealing device.