| Model | HD-7D5 | ||
| Working pressure: | 8bar | 10bar | 12bar |
| Air Delivery (m³/min) | 1.1 | 0.9 | 0.8 |
| Air Delivery (CFM) | 39 | 32 | 28 |
| Motor power | 7.5KW/10HP | ||
| Power voltage: | 380V/50hz/3phase (different voltage is available) | ||
| Compressor type: | Fixed Speed Rotary Screw Air Compressor | ||
| Cooling Mode | Air cooling | ||
| Starting mode | Star-delta Start | ||
| Ambient temperature | -5℃ ~ +45℃ | ||
| Discharge temperature | ≤ Ambient temperature+15℃ | ||
| Dimension (mm) | 900*670*880 | ||
| Product display: |


| Product advantage: |
1.Use enhanced energy saving screw air compressor reached the super energy saving level.
2.The energy consumption is 10%~15% lower than normal.
3.Air compressor design with several types of technology patent, real bigger air flow.
4.State-of-the-art screw element, original air end, ladvanced SAP profile design, superior.
Sweden SKF element bearings.
10 hp air compressor models cooling system
1. Air-cooled models
The cold air is pumped through an axial flow fan and blown through the heat sink fin of the cooler to heat exchange with compressed air and lubricating oil to achieve cooling effect. The maximum allowable ambient temperature of the cooling system is 45℃. If the temperature exceeds 45℃, the system may cause tripping, such as placing place near high temperature boiler, etc. 10 hp air compressor models
2. Water-cooled models
The design benchmark of cooling water temperature is 32℃, so special attention must be paid to the design of cooling water circulation system. In particular, the water quality of cooling water must meet the general industrial water standards above, try to avoid the use of groundwater. If the water quality is poor, the cooling water tower must be regularly added with cleaning agent to clean the sediment, so as not to affect the efficiency and life of the cooler. In winter, when the normal temperature is below freezing point, the cooling water in the cooler must be discharged clean after the unit is shut down. Otherwise it will freeze and crack the cooler. 10 hp air compressor models
Description of lubricating oil flow of 10 hp air compressor models
Due to the gas pressure inside the barrel of oil and gas, lubricating oil pressure in the oil cooler, after cooler will be cooled oil to after the oil filter to remove impurity particles, and then divided into two, a routing the body bottom spray into the compression chamber, cooling the compressed air, the other leads to the ends of the body and used to group and gear lubrication bearing, and then gathered again (lubricating oil) of the ministries in the compression chamber, with compressed air. The compressed air mixed with the oil enters the oil and gas barrel to separate a large part of the oil. The remaining oil is filtered through the oil fine separator and then enters the rear cooler through the pressure maintenance valve for cooling, which can be sent to the use system. 10 hp air compressor models
Function description of each component on oil circuit:
1. Oil cooler
The cooling mode of oil cooler and air aftercooler is the same, there are two cooling modes: air cooling and water cooling. If the environment is not good, the fins of the air-cooled cooler are easily covered by dust and the cooling effect will be affected. The exhaust temperature will be too high and the machine will crash. Therefore, each corresponding period, the application of compressed air to blow off the dust on the surface of the fin, if it can not be blown clean, it must be cleaned with solvent, be sure to keep the cooling surface of the cooler clean. When the shell and tube cooler is blocked, it must be soaked with special liquid, and the scale blocked in the tube must be removed mechanically, and it must be completely cleaned. 10 hp air compressor models
2, oil filter
Oil filter is a kind of filter paper, and its function is to remove impurities such as metal particles in oil and oil inferior substances, such as filtration precision between 5 u - 10 u, has perfect protection to the bearings and rotor, should replace the oil filter can be instructed by the pressure difference and to judge the operation time, if the differential indicator, says oil filter resistance? It has to be replaced. The oil and oil filter should be replaced after the first 600 hours of operation of the new machine. After that, the oil should be replaced according to the pressure difference indicator light or operation time. If the pressure difference of the oil filter is large and not replaced, it may lead to insufficient oil intake, and the exhaust high temperature jumper will affect the bearing life because of insufficient oil. 10 hp air compressor models
3. Oil fine separator
The filter element of the oil separator is made of multilayer fine glass fiber, and the mist oil and gas contained in the compressed air can be almost completely filtered after the oil separator. Under normal operation, the oil separator can be used for about 3000-4000 hours. Only the pollution degree of the lubricating oil and the surrounding environment has a great impact on its life. If the environmental pollution is very serious, it can be considered to install a pre-air filter. The choice of lubricating oil, most avoid the use of false oil or mixed oil. The outlet of the oil separator is equipped with a safety valve and a pressure maintenance valve, from which the compressed air is led out to the rear cooler. The oil filtered by the fine separator is concentrated in a small circular groove in the center and returned through the primary tubing to the throttle check valve. 10 hp air compressor models
After entering the inlet side of the main engine for recycling use, can avoid the filtered lubricating oil with the air discharge.
4, temperature control valve
The front of the cooler is equipped with a temperature control valve whose function is to maintain the exhaust temperature above the pressure dew point temperature. When starting the machine, the temperature of the lubricating oil is low. At this time, the temperature control valve will automatically open the return circuit, and the oil will enter the main engine directly without passing through the oil cooler. If the oil temperature rises above 60-71℃, the valve will slowly open, and fully open when it reaches 75-85℃. At this time, all the oil will enter the body through the oil cooler. 10 hp air compressor models
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