Refrigeration System Problem in Ship When the compressor in the reefer circuit starts and suddenly stops, it can be because of the following reasons : Reasons Solutions Low pressure cut out gets activated Ensure that all the suction line valves are in open condition, the refrigeration is properly charged and the low pressure cut out […]
Problem Compressor Milky Oil in The Crankcase in Marine If there is an accumulation of milky coloured oil in the crankcase, it can be because of the following reasons : Water leakage from cylinder liner. Water leakage from jacket. Oil running hour is over. Crankcase sweating or frosting up Causes Liquid in suction line Expansion […]
Problem Compressor Overheating of Discharged Air in Marine If the temperature of the discharged compressed air is high, it can be because of overheating caused as a result of the following reasons: Chocked or dirty intercooler tube. Cooling water pump capacity decreased or insufficient. The atmosphere at air suction of compressor is hot. No forced […]
Problem Compressor Excessive Vibration and Noise in Marine If the compressor is generating too much of noise and vibration, it can be because of the following reasons: Loose pulley, flywheel, belt, belt guard, cooler, clamps or accessories. Lack of oil in the crankcase. Piston hitting the valve plate i.e reduced bumping clearance. Compressor holding down […]
Problem Compressor Oil Carry Over in Air in Marine If the compressed air in the system is carrying oil, would be mainly because of the following reasons : Oil separator is not working correctly hence oil is being carried to the air receiver. One item that could cause oil carry-over is that someone could be […]
Problem Compressor Capacity is Low in Marine This is one of the most common problems seen on all types of ships. Often, compressor capacity can go low or reduced if it is running for a long time and eventually it is unable to cope up with the air demand. Main reasons for this problem are: […]
Procedure of Testing Steering Gears on Ship Safety of the ship is the prime concern for seafarers onboard and for governing authorities like IMO. There have been many ship accidents in the past which includes collision, grounding, stranding etc. due to failure of one critical system- the steering gear. Hence crew must be careful in […]
Specification Impeller for Marine Type 1000 Liters Drum Standard white plastic container with zinc plated external structure, base 1,2 x 1m, height 1m. Mixer is provided with steel support, able to be fixed to the external structure. Folding axial turbine, dia 350mm is able to enter in the standard 150mm opening. Model Service Impeller type […]
Spesification Impeller Type 200 Liters Drum Standard metallic chemicals drum, diameter 57cm, height 85cm. Mixer is fixed to drum edge or external support with a clamp, or directly flanged on the cover. Model Service Impeller type Impeller dia (mm) Flow (m3/h) Motor Speed (rpm) Shaft dxL (mm) Max visc. (cps) Height (mm) Total weight (kg) […]
Portable Mixer for Marine GREC has standardized a range of lightweight portable mixers for 200 liters drums and 1000 liters IBCs. According to EC regulations, these mixers can be held by one person, with possible help of lifting devices, can be fixed to the border of the container, and are equipped with local switch for […]