Marine watertight doors are designed to keep water out, they are special types of doors found on the ships located on the deck of a ship / boat above the waterline which prevent the ingress of water from one compartment to other during flooding or accidents. Deyuan Marine are mainly supply 6 different type of watertight doors, they are hinge type watertight door with dog-clips operating mechanisms, hinge type watertight door with quick action handle wheel operating mechanisms, high pressure hinge type watertight door with quick action handle wheel operating mechanisms, hinged type watertight door with single handle hinged operating mechanisms, Sliding type watertight door with quality hydraulic operating system and Hinge type watertight door with quality hydraulic operating system.

The steering gear is a large deck machinery on a ship. It is a device which can turn a rudder and maintain the rudder position. As the ship's speed and registered tonnage continue to increase, the rudder torque acting on the rudder stock is greatly increased, so it is necessary to use the steering gear to provide the driving force.

Marine Shackle one of the rigging .According to the production standard, it is generally divided into three categories: national standard, American standard and daily standard. American standard is widely use because it has the small volume can load a big weight .

Most of us know what is an anchor but do you really understand how does a ship anchor work? Anchoring a boat properly important when you want it to remain in position, at first, whenever a vessel has to stay afloat in a stationary position on water when the engines are turned off, the anchor is cast

As we all know that in the market there are lots of type port crane machinery for sale, with different price, different quality, it is really hard for customer to choose one from this big market. Now our article is to give you some tips for choosing a suitable crane to your project. Important details are below: to see the motor capacity and brand, wire rope condition and diameter, steel pipe thickness, material quality for crane mechnical part, welding condition, paint film thickness and whole design rationality.

Roller Fairleads is a device to guide a line, rope or cable around an object, out of the way or to stop it from moving laterally. Roller Fairleads can also be used to stop a straight run of line from vibrating or rubbing on another surface. An additional use on boats is to keep a loose end of line from sliding around the deck. Roller fairlead is mounted on the deck of the ship, guide rope device while docking use.

The marine capstan is an important equipment of the ship. It is the mechanical device that ensure the ship can sail normally.

The marine winch is a device which is driven by human or mechanical power, winding rope or chain to complete traction work. This product has high universality, compact structure, small volume, light weight, significant and easy to use. As part of the marine deck equipment, marine winch plays an important role in the operation of the ship. With lifting and pulling function, the marine which is always used on on ship, dock or shore, in the port, on offshore platforms etc. What’s more, it can also bring the fishing nets and cages up from the depths of the sea and onto the deck of a vessel.

The wire rope is a helical wire rope that meets the requirements of mechanical properties and geometric dimensions. The wire rope consists of wire, rope core and grease. Steel wire rope is first composed of multi-layer steel wire, then the core is the center of the rope, and a certain number of strands twisted into a spiral rope. In material handling machinery for lifting, traction, tension and carrying. The steel wire rope is high in strength, light weight, smooth work, not easy to be broken down, reliable work.When we use the wire rope, it is necessary to bear the function of alternating load.

Anchor windlass mainly installed on the first deck of ship, An anchor windlass can be single gypsy windlass, double gypsy windlass, can be vertical type also horizontal type windlass, if it combined with mooring drum which can be act as a winch for mooring function, the both end can also mounted with warping end.. So how to choose a suitable anchor windlass? Consider that type and structure of you need, then chain diameter and anchor chain weight must be taken into account, also the forecastle beam and the dimensions of the bow bulb also must be taken in to account to ensure smooth handling of twin anchors.