Zhongzhou Marine Parts& Machinery imp.& exp.Co.,Ltd specializing in serving the marine and offshore oil is one of China's earliest integrated agencies. Based on the advantages of technology and products our company has been focusing on international advanced platform, maritime work, merchant ships advanced supporting technology to provide users with the service of new construction and renovation projects
After decades of development, through the way of investment, joint venture, company has developed from a single development mode to the assembly of product agent, design, manufacture. Now company is one integrated service company collected with production, agents and services.
Products include: engine, excavator, pile driving machinery, special vehicles
Agents and cooperation: 1000 partners, 50 brand agent
Scope of services: SXD MAN L21/31 series diesel engine generating set
The power range of MAN21/31 diesel engine is 1000-1980 kw, the unit power range is 950-1881kw. Based on L16/24 diesel engine the same innovative, streamlined design, L21/31 diesel engine is small size, light weight, modular structure and streamlined without pipe, less components, low maintenance requirements, high power, low noise, can meet the current and future IMO organization requirements on NOx emission.
Independent cylinder unit-- Include cylinder head, piston, cylinder liner, railings etc, can be hoisted out whole, easy to replace and maintain, reduce maintenance time
Compact structure-- Adopts double CAM shaft structure, has good flexibility. Allow to choose between the fuel consumption and low emissions in a larger scope.
Low bearing wear rate -- Link mechanism is designed for marine, adopting the design to reduce surface bearing pressure, both reduced the bearing wear, and extend the service life of the bearing.
Marine propulsion diesel engine main data
Configuration: In-Line |
Speed:900/1000r/min |
Bore:210mm | Piston speed:9.3/10.3m/sec |
Stroke:310mm | Mean effective pressure:27.3/24.6bar |
Max combustion pressure:210bar | Fuel quality: UFO up to 700cSt/50°C |
Engine type |
Output | Dimension(mm) | Dry weight(T) | ||||
1000r/min/50Hz | 1200r/min/60Hz | ||||||
Eng.kW/Gen.kW | Eng.kW/Gen.kW | A | B | C | D | ||
7L21/31 | 1540-1463 | 1540-1463 | 4670 | 1970 | 5760 | 3100 | 27.3 |
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