There are many kinds of dredgers, but the most important one is the dredge pump, which is the key equipment of the dredger and is often called the "heart" of the dredger.

A good mud pump needs to deal with mud with high impurity content, so suction and wide flow plate are very important for them.

The pump body of twin-screw pump has several different heating structure options to adapt to different media and different temperatures.Gravel Sand pump (dredge pump) is designed as single casing connected by means of clamp bands and wide wet-passage.

When the pump is working, the engaging screw forms a seal chamber in the pump body. With the rotation of the screw, the liquid in the seal chamber moves axially with the seal chamber and is stably and continuously transmitted to the pump outlet. Since the capacity of sealing civilization has never changed in the working pump, there will be no pulsation when the pump delivers liquid.

The pump body adopts a round valve with special structure, which is opened when the outlet pressure is higher than the working pressure. Then, some medium will return to the inlet of the pump or storage tank through this annular valve. At the same time, the pump can be started under full pressure, thus greatly reducing torque.

We can produce and supply various high-quality electric or hydraulic marine pumps (pumps, cargo pumps, oil transfer pumps, bilge pumps, sewage pumps) for different types of ships. It can provide different displacement and capacity as well as different materials (stainless steel, copper or cast iron). We can provide different types of screw pumps, centrifugal pumps, horizontal pumps, displacement pumps, etc. in China. The motors we use can be ABB or other famous Chinese brands.