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Zhengzhou Tiantuo Lubricant Co., Ltd. Contact: Manager Li Phone: 13525527630
Phone: 0371-55638217
Email: zzrunhuayou@163.com
Address: Room 2202, East Unit, Building 3, Merlin Riverside, Hanghai Road and Zhongzhou Avenue, Zhengzhou City
Great Wall Zhuoli High Pressure Anti-wear Hydraulic Oil Upgraded to Great Wall Zhuoli HD Anti-wear Hydraulic Oil
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Great Wall Zhuoli High Pressure Anti-wear Hydraulic Oil Upgraded to Great Wall Zhuoli HD Anti-wear Hydraulic Oil

Article source: Unknown Release time: 2018-07-18 17:40 Views: 84
Great Wall Zhuoli High Pressure Anti-wear Hydraulic Oil Upgraded to Great Wall Zhuoli HD Anti-wear Hydraulic Oil
The quality of Great Wall lubricants has improved, and the latest packaging is not just a change in appearance. Great Wall Zhuoli HD hydraulic oil represents a cleaner lubricant.
Great Wall Zhuoli High Pressure L-HM Anti-wear Hydraulic Oil Upgraded to (Great Wall Zhuoli HD L-HM Anti-wear Hydraulic Oil)
Great Wall Puli ordinary L-HM anti-wear hydraulic oil was upgraded to (Great Wall Puli HD L-HM anti-wear hydraulic oil)
Great Wall Zhuoli High Pressure L-HV Low Temperature Hydraulic Oil Upgraded to (Great Wall Zhuoli HD L-HV Low Temperature Hydraulic Oil)
For high-quality customers and major customers, Great Wall Lubricants has introduced a special supply of hydraulic oil named: Great Wall L-HM anti-wear hydraulic oil, so that customers get more benefits!
Cleanliness is a measure of how many particles and the size of the particles per liter of oil. The lower the number, the higher the cleanliness. Because the pollution degree of each size segment of the actual oil cannot be the same, the pollution degree of the tested oil sample is determined according to the highest level among them.
Actual use in the factory: Open hydraulic system, NAS8-12 level is no problem, closed-loop hydraulic system, with servo or high-frequency response ratio system NAS7-NAS8 level, servo control system NAS5-NAS6 level; oil cannot be discerned by eyes The cleanliness level can only be known after inspection. Consult professional manufacturers.
Cleanliness of hydraulic oil. Refers to the solid particle pollutant content per unit volume of hydraulic oil is called cleanliness, which can be expressed by mass or number of particles. Mass analysis method is to measure the pollution of oil by measuring the mass of solid particle pollutants contained in unit volume of oil. Grade, and the particle analysis method is to measure the pollution level of the oil by measuring the number of particles of various sizes of particulate pollutants per unit volume of the oil.
Solid particle pollution is more harmful than air, water, and chemical pollutants. When solid particles interact with the surface of hydraulic components, they will cause wear and surface fatigue, which will increase internal leakage, reduce the reliability and system efficiency of components such as hydraulic pumps, motors, and valves. Throttles or filters are blocked, preventing the system from operating properly.
Testing method and evaluation standard of hydraulic oil cleanliness
1. The mass analysis method can only reflect the total mass of particulate pollutants in the oil, but not the size and size distribution of the particles, and cannot meet the higher requirements of oil detection. 2. Particle analysis methods include microscope method, microscope comparison method and automatic particle counting method. The automatic particle counting method has the characteristics of fast counting, high accuracy, and simple operation. It has been widely used in China in recent years.
The National Aerospace Standard Oil Cleanliness Grade is divided into 14 grades according to the maximum allowable number of particles in a given particle size in hydraulic oil. Grade 00 contains fewer particles, high cleanliness, and grade 1 particles. The highest number and the lowest cleanliness. With reference to international standards ISO4406-1987 and U.S. National Aerospace Standard NAS1638
Simply put, cleanliness is a unit of measurement of how many particles and particle size are contained in each liter of oil. The lower the number, the higher the cleanliness. Because the pollution degree of each size segment of the actual oil cannot be the same, the pollution degree of the tested oil sample is determined according to the highest level among them.
In our actual use process: open hydraulic system, NAS8-12 level is no problem, closed-loop hydraulic system, with servo or high frequency response ratio system NAS7-NAS8 level, servo control system NAS5-NAS6 level; oil cannot be discerned by eyes The cleanliness level of the product can only be known after inspection. Great Wall high-definition anti-wear hydraulic oil controls the NAS7 level at the factory, allowing you to get cleaner lubricants and ensure smoother equipment!
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