- 2020-1-20Notice of Spring Festival holiday of the company in 2020
Dear old and new customers: On the occasion of the Spring Festival, according to the notice of the general office of the State Council, we hereby notify the following arrangements fo ...
- 2018-5-17The flow time of hydraulic oil filter must be within the pre
Method stipulates that the flow time of the sample is within the range of 300 180S, the main purpose is to limit the velocity of liquid flow in the capillary, and to ensure that the liquid flow in the ...
- 2018-5-17What are the structural characteristics and requirements of
Acording to the GB265 method, a capillary viscometer for measuring kinematic viscosity is described. (1) the positive branch of the viscosity scoring head and the two part of the wide pipe. In the m ...
- 2018-5-17Density determination of waste liquid after oil filtration
1.the definition of density and specific gravity of hydraulic oil in Physics: the mass of matter contained in unit volume. Therefore, the density of oil products in the unit volume of the quality of o ...
- 2018-5-17China's hydraulic oil filter oil quality standard
China's oil standards are currently divided into four levels: international standards (such as ISO, IEC standards), national standards (code named GB), professional or industry standards (code named Z ...
- 2018-5-17What is the significance of volume resistivity of hydraulic
As an insulating oil of liquid insulating medium, how to identify its insulation performance is usually determined by its breakdown voltage and dielectric loss factor. But the breakdown voltage and di ...
- 2018-5-17What should be noted for volume resistivity of hydraulic oil
The method of determining the volume electrical utilization rate of oil has been formulated as the ministerial standard. The name of the method is "liquid medium volume resistivity method". If we use ...
- 2018-5-17The volume resistivity of the insulating oil filter
Under the action of a constant voltage, the capacity of a medium to conduct current is called electrical conductivity, and the reciprocal of electrical conductivity is called the resistivity of the me ...
- 2018-5-17What matters should be noticed when using high voltage bridg
The use of high voltage bridge should be paid attention to. (1) the high voltage bridge must be managed and used by the special person. For the first time, the performance of the instrument should ...
- 2018-5-17What are the factors that cause dielectric loss of insulatin
The main factors affecting the dielectric loss factor of oil are the following factors. (1) in relation to the applied voltage and frequency, when the dielectric loss factor is measured, the volta ...
- 2018-5-17The insulating oil treated by the transformer oil filter aff
The main factors affecting the breakdown voltage of oil are: (1) moisture. Water is the most common and the most sensitive spoils of breakdown voltage. Because water is a kind of polar molecule, under ...
- 2018-5-17What is the breakdown voltage value principle of transformer
If the insulation oil is installed in an oil cup with a pair of electrodes, if the voltage applied to the insulating oil increases gradually, when the voltage reaches a certain value, the oil resistan ...
- 2018-5-17The significance of determining the oxidation stability of s
The oxidation stability test is based on the oxidation of oil products, and the oxidation resistance and stability of oil products are judged from the tendency of oxidation and precipitation. Although ...
- 2018-5-17What are the advantages of the oxidation stability rotating
The oxidation stability Rotating Oxygen Bomb Method (also known as rotating oxygen bomb oxidation test ZBE34011) is a fast oxidation stability test. The content of the method can be summarized as foll ...
- 2018-5-17Determination of the stability of hydraulic oils for lubrica
The determination methods of oxidation stability of oil products all over the world are formulated according to their actual conditions, and their standards are also different. But the principle of th ...
- 2018-5-17Can oil filters ensure the stability of oil products
Under certain external conditions, the ability of oil to resist oxidation is known as the oxidation stability of oil, or the oxidation stability. How much is the amount of sediment and acid value in t ...
- 2018-5-17Can the oil filter oxidize the oxidized oil
The insulation oil and turbine oil used in China are mostly petroleum products, that is, mineral oil. The main chemical composition of mineral oils is hydrocarbons, which are composed of various hydro ...
- 2018-5-17What should we pay attention to when determining the demulsi
The points for attention in determining the demulsification time of oil products are as follows. (1) the equipment used for the determination of mixing slurry and stock must be cleaned. If there i ...
- 2018-5-17What are the factors that affect the demulsification time of
Oil and water are insoluble liquids, that is to say, pure oil and water can not form emulsion. There must be substances that can make oil and water form emulsion. This kind of substance is called "sur ...
- 2018-5-17The emulsification time cycle of turbine oil filter
The demulsification time of turbine oil is also known as demulsification. In certain instruments, a certain amount of test oil is mixed with water, stirring at a specified temperature for a certain pe ...