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OEM High Quality Car Hydraulic Oil Filter Factory – SY-2309 SANY excavator SY235-9 hydraulic oil suction filter 60200363 – Qiangsheng

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OEM High Quality Car Hydraulic Oil Filter Factory – SY-2309 SANY excavator SY235-9 hydraulic oil suction filter 60200363 – Qiangsheng Detail:

What parameters need to be considered when choosing a hydraulic oil filter

The hydraulic oil filter element should also meet the requirements of pressure loss (the total pressure difference of the high pressure filter is less than 0.1PMa, and the total pressure difference of the oil return filter is less than 0.05MPa) to ensure the optimization of flow and filter element life. So how do we choose the hydraulic oil filter correctly? The editor tells you that you need to consider the following 5 aspects:

1. Filtration accuracy

First, determine the cleanliness level of the stains according to the needs of the hydraulic system, and then select the filter precision of the oil filter according to the cleanliness level according to the symbol table. The most commonly used hydraulic oil filter element in construction machinery has a nominal filtration degree of 10μm. Hydraulic oil cleanliness (ISO4406) Nominal filtration accuracy of filter element (μm) Application range 13/103 Hydraulic servo valve (with 3μm filter element) 16/135 Hydraulic proportional valve (with 5μm filter element) 18/1510 General hydraulic components ( >10MPa) (with 10μm filter element) 19/1620 general hydraulic components (<10MPa) (with 20μm filter element)

Since the nominal filtration accuracy cannot truly reflect the filtration capacity of the filter element, the diameter of the largest hard spherical particle that the filter can pass under the specified test conditions is often used as its absolute filtration accuracy to directly reflect the initial filtration of the newly installed filter element. The most important criterion for evaluating the ability of hydraulic oil filter element is the β value determined according to ISO4572-1981E (multi-pass test), that is, the oil mixed with the standard test powder is circulated through the oil filter for many times, and the oil inlet and the oil outlet are on both sides of the oil filter. ratio of the number of particles.

2. Flow characteristics

The flow and pressure drop of the filter element passing through the oil are important parameters of the flow characteristics. The flow characteristic test should be carried out according to the ISO3968-91 standard to draw the flow-pressure drop characteristic curve. Under the rated oil supply pressure, the total pressure drop (the sum of the pressure drop of the filter housing and the pressure drop of the filter element) should generally be below 0.2MPa. Maximum flow: 400lt/min Oil viscosity test: 60to20Cst Minimum flow Turbine: 0℃ 60lt/min Maximum flow Turbine: 0℃ 400lt/min

3. Filter strength

The rupture-impact test shall be carried out in accordance with ISO 2941-83. The pressure difference that drops sharply when the filter element is damaged should be greater than the specified value.

4. Flow fatigue characteristics

Should be in accordance with ISO3724-90 standard fatigue test. Filter elements must be fatigue tested for 100,000 cycles.

5. Test for adaptability of hydraulic oil

Hydraulic oil filter

The pressure flow withstand test should be carried out according to the ISO2943-83 standard to verify the compatibility of the filter material with the hydraulic oil.

Filtration ratio b ratio refers to the ratio of the number of particles larger than a given size in the fluid before filtration to the number of particles larger than a given size in the fluid after filtration. Nb=number of particles before filtration Na=number of particles after filtration X=particle size.

Hydraulic oil filter element is a professional term in the filtration industry. In order to purify the original ecological resources and the reuse of resources, the purification equipment is required. Now the filter element is mainly used in oil filtration, air filtration, water filtration and other filtration industries. The material of hydraulic oil filter element mainly includes paper filter element, chemical fiber filter element (glass fiber, metal fiber sintered felt, polypropylene fiber, polyester fiber) mesh filter element (stainless steel mesh) and line gap filter element. The hydraulic oil filter element is suitable for filtering strong acid, strong alkali and organic solvent. The filter membrane is a folded depth filter, which has a large filter area, low pressure difference, strong dirt holding capacity and long service life. There are various models and specifications to choose from.

Product description

QS NO. SY-2309
CROSS REFERENCE 60200363
DONALDSON
FLEETGUARD
ENGINE SANY SY235-9
VEHICLE SANY excavator hydraulic oil suction filter
LARGEST OD 150(MM)
OVERALL HEIGHT 200/195 (MM)
INTRNAL DIAMETER 98 M12*1.75 (MM)

 

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OEM High Quality Car Hydraulic Oil Filter Factory –  SY-2309 SANY excavator SY235-9 hydraulic oil suction filter 60200363 – Qiangsheng detail pictures

OEM High Quality Car Hydraulic Oil Filter Factory –  SY-2309 SANY excavator SY235-9 hydraulic oil suction filter 60200363 – Qiangsheng detail pictures

OEM High Quality Car Hydraulic Oil Filter Factory –  SY-2309 SANY excavator SY235-9 hydraulic oil suction filter 60200363 – Qiangsheng detail pictures

OEM High Quality Car Hydraulic Oil Filter Factory –  SY-2309 SANY excavator SY235-9 hydraulic oil suction filter 60200363 – Qiangsheng detail pictures


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We support our buyers with ideal high quality products and high level service. Becoming the specialist manufacturer in this sector, we have gained rich practical experience in producing and managing for OEM High Quality Car Hydraulic Oil Filter Factory – SY-2309 SANY excavator SY235-9 hydraulic oil suction filter 60200363 – Qiangsheng , The product will supply to all over the world, such as: Rotterdam, Senegal, Istanbul, Customer satisfaction is our goal. We are looking forward to cooperating with you and providing our best services to suit your needs. We warmly welcome you to contact us and make sure you feel free to contact us. Browse our online showroom to see what we can do for you. And then E-mail us your specs or inquiries today.
  • The factory technical staff gave us a lot of good advice in the cooperation process, this is very good, we are very grateful.
    5 Stars By Rachel from Indonesia - 2018.06.19 10:42
    Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
    5 Stars By Caroline from Macedonia - 2017.10.25 15:53
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