As we alll know marine life jackets have the important equipment in live saving application .The right to wear a life jacket is likely to be related to whether a drowning person will survive.There are many kinds of life jackets, different styles of life jackets have different wear methods.
Marine diesel engine is a type of diesel engine used on ships. Marine diesel engines are the main power of civilian ships, small and medium-sized ships and conventional submarines. Marine diesel engine can be divided into main engine and auxiliary engine according to its function in ship. The main engine is used as the propulsion power of the ship, which is used to drive the generator, air compressor or water pump. The main engine is used as propulsion power of ships, auxiliary engines are used to drive generators, air compressors or water pumps.
WQ(QW) series submersible pump is a vertical sewage submersible pump, it is composed with pump body, mechanical seal and motor. The pump is made of cast iron. It is used mechanical seal between pump body and motor for well sealed .The series pumps are equipped with overload or overheat protection device. The flow-rate range of the delivery water is 7-10000m3/h, lift range is 7-60m, power range is 0.55-315Kw, caliber range is φ25-φ700 mm. Widely use on boat, ship and other industria area.