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90μm Stainless Steel Mesh Oil Filter Element 75x140 (1).jpg
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90μm Stainless Steel Mesh Oil Filter Element 75x140

The filter element has a size of 75x140 and is made of high-quality stainless steel mesh, which is durable and long-lasting. It is designed to effectively filter out particles as small as 90 microns, ensuring that your oil is free of contaminants.

  • Type Stainless Steel Oil Filter Element
  • OD 75
  • Height 140
  • End caps Aluminum/Carbon steel
  • Filter layer Stainless steel mesh
  • Custom made Avaliable
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Product Specifications

Huahang

Type

Stainless Steel filter element

Filter layer

stainless steel mesh

Filtration accuracy

90μicron

Dimension

75x140

Skeleton

cARBON STEEL punched plate



advantages
HUAhANG


Corrosion resistance and high temperature resistance: The stainless steel filter element is made of stainless steel material, which has excellent corrosion resistance and can be used for a long time in harsh working environments. At the same time, it can work normally in high temperature environments without deformation or damage, ensuring stable filtering effect and performance.

High strength and hardness: Stainless steel filter cartridges have high strength and hardness, can withstand high pressure, are not easy to break or deform, and ensure long-term stable filtration effect.

Easy to clean and maintain: Stainless steel filter cartridges have a smooth surface that is not easily adhered to dirt and impurities, making them easy to clean and maintain, thereby extending their service life.

High filtration accuracy: The 70 μ m stainless steel mesh filter adopts a filter mesh design, which can effectively filter out small particles and impurities, ensuring good filtration effect.

Environmentally friendly and reliable: The stainless steel filter element material is non-toxic and odorless, does not produce secondary pollution, meets environmental requirements, and is safe and reliable





                       production process


Material selection and pretreatment
1. Substrate selection:
304, 316, or 316L stainless steel material is selected, which has a corrosion resistance of 18% chromium and 8% nickel content, and can withstand working temperatures from -196 ℃ to 800 ℃.

2.Silk processing:
Straighten the silk material, eliminate raw material bending, and ensure weaving or welding accuracy
Surface acid washing removes oxide scale and oil stains, improving the quality of subsequent processing.

Filter forming process
1. Weaving/Welding Forming:
Weaving method: Using plain weave, diagonal weave and other weaving methods, controlling the wire diameter (0.1-2mm) to form a uniform mesh structure with a pore size of 5 μ m-5mm;
Welding method: The coarse wire mesh material is fixed by argon arc welding or resistance welding to form a high-strength mesh structure.

2. Sintering process (optional): Multiple layers of stainless steel mesh are laminated and pressed, and then vacuum sintered to form a sintered mesh with a gradient filtering structure.
Filter structure processing
1. Wave bending treatment: The filter screen and support layer (galvanized mesh or copper mesh) are processed into a corrugated shape by a wave bending machine, increasing the effective filtration area by 30% -50%.

2. Skeleton assembly:
Choose stainless steel or plastic frame as the core support
Adjust the thickness and aperture of the skeleton according to pressure requirements to prevent deformation of the filter material.

3. End cap welding:
Using argon gas shielded welding technology, the filter screen is precisely welded to the stainless steel end cap
Key control of welding temperature to prevent burning through of filter material 56.

Post processing and detection
1. Surface treatment:
Electrolytic polishing improves surface smoothness
Spraying PTFE coating enhances wear resistance.
2. Performance testing:
Microscopic detection of aperture uniformity (error ≤± 5%)
Simulate working conditions to test filtration efficiency and pressure drop
Salt spray test to verify corrosion resistance (ASTM B117 standard).

Finished product packaging
Using anti rust oil spraying and cushioning material packaging, accompanied by material certification and testing report delivery






Enterprise Strength


1. Special design can achieve an effective filtration area of 100%;


2. Each component adopts a seamless fusion method, which solves many problems that originally existed in use and ensures safety;


3. The design adopts a metal folding frame, which can be reused and replaced;


4. The density of the filter material shows an increasing structure, achieving high efficiency, low resistance, and large dust capacity;

Special design can achieve an effective filtration area of 100%;


2. Each component adopts a seamless fusion method, which solves many problems that originally existed in use and ensures safety;


3. The design adopts a metal folding frame, which can be reused and replaced;


4. The density of the filter material shows an increasing structure, achieving high efficiency, low resistance, and large dust capacity;

0110R003BNHC 0110R005BNHC 0110R010BNHC 0110R020BNHC 
0110R003BN3HC 0110R005BN3HC 0110R010BN3HC 0110R020BN3HC 
0110R003BN4HC 0110R005BN4HC 0110R010BN4HC 0110R020BN4HC 2. Acid cleaning method


Dissolve potassium dichromate or crystals in water to 60 to 80 degrees, and slowly add concentrated sulfuric acid with a concentration of 94% until sufficient. Add slowly and stir. Add up to 1200 milliliters of potassium sulfate or completely dissolve, and the solution will appear dark red in color. At this time, the rate of adding concentrated sulfuric acid can be accelerated until it is completely added. If there are still undissolved crystals after adding concentrated sulfuric acid, they can be heated until dissolved. The function of cleaning solution is to remove general pollutants, grease, and metal particle impurities on the wall of stainless steel filter cartridge, and it can effectively kill the bacteria and microorganisms that grow on the filter cartridge and damage the heat source. If the filter element has been alkaline washed before, the alkaline solution must be washed first, otherwise fatty acids will precipitate and contaminate the filter element.

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