
Coalescer & Separator Filter Cartridges
Huahang Filter manufactures coalescer and separator filter cartridges for efficient liquid-liquid and liquid-gas separation. Our filter elements are designed to remove water, oil, liquid aerosols and solid contaminants from fuel, natural gas, compressed gas, hydraulic oil and other industrial fluids. Standard and customized filter cartridges are available according to flow rate, operating pressure, temperature, filtration efficiency and housing dimensions.
Coalescer vs. Separator Filter Cartridge
| Feature |
Coalescer Filter Cartridge
|
Separator Filter Cartridge
|
| Typical contaminants |
|
Separates and prevents separated liquid from passing downstream |
| antibacterial | Oil mist, water droplets, liquid aerosols | Separated water, oil and liquid contaminants |
| Common process |
|
Liquid separation / barrier |
| Typical applications | Natural gas, fuel, compressed gas, oil filtration | Fuel-water separation, gas-liquid separation |
| Typical media |
|
Synthetic mesh, coated screen, treated media |
| Common configuration | Multi-layer coalescing media | Hydrophobic separator media |
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Paper Natural Gas Filter Cartridge 140x250
The Paper Natural Gas Filter Cartridge 140×250 is a high-efficiency pleated cylindrical filtration element engineered for natural gas pipeline transmission, compressor stations, and gas purification Add to Inquiry -
Water Removal Coalescing Filter Element 149x1058
The filter element is developed using the latest technology, making it very durable and has a long service life. Non woven fabrics have chemical resistance, making them suitable for harsh Add to Inquiry -
Natural Gas Coalescing Filter Cartridge 152x553
Natural gas coalescing filter cartridge 152x553 is a high-flow industrial-grade coalescing filter element designed for large-discharge natural gas filtration systems. This heavy-duty filter cartridge Add to Inquiry -
Oil Mist Natural Gas Filter Cartridge 80x482
Oil mist natural gas filter cartridge 80x482 is a standard industrial coalescing filter element customized for natural gas pipeline transmission, compressor stations, and gas purification systems. It Add to Inquiry -
WSJDK WSJEK Fuel Water Separator Filter Element
The WSJDK and WSJEK fuel water separator filter elements are high-performance replacement filter elements designed for Parker high-pressure filter housings. These elements are engineered for Add to Inquiry -
10 μm Fiberglass Natural Gas Filter Cartridge 126x556
This filter is made of high-quality fiberglass material and can capture particles as small as 10 microns, ensuring clean and safe natural gas for various industrial and commercial applications. Add to Inquiry -
5μm Paper Natural Gas Filter Element 168x400
This filter element is made of high-quality paper material with a filtration efficiency of 5 microns, which can effectively capture the smallest particles, prevent damage to sensitive equipment, and Add to Inquiry -
Customized Natural Gas Coalescer Filter Element 140x914 1...
These filters are made of high-quality materials, ensuring durability and optimal performance. The coalescer technology used in these components promotes droplet coalescence to form larger droplets, Add to Inquiry -
Natural Gas Filter Element 315x450
This filter element is made of high-quality felt material and advanced filtration technology, which can capture particles at the microscopic level, preventing them from damaging your equipment or Add to Inquiry -
1μm Fiberglass Natural Gas Filter Element
Our 1 μm glass fiber natural gas filter has high filtration efficiency, which helps protect downstream equipment and processes from pollution. By removing unwanted particles and impurities from the Add to Inquiry -
Natural Gas Filter Element HHTR112G
The HHTR112G filter element is made of high-quality materials and advanced filtration technology, which can achieve excellent removal efficiency and a long service life. It features a pleated design Add to Inquiry -
P-CE03-572 Oil Separator Filter Element
P-CE03-572 oil separator filter element is a high-quality filter designed to remove oil, moisture, and other impurities from compressed air. This filter is designed to be suitable for various air Add to Inquiry
Working principle of coalescer & separator filter

How Does a Coalescer Filter Work?
A coalescer filter captures fine liquid droplets suspended in a gas or liquid stream. As the droplets pass through the coalescing media, they collide and merge into larger droplets. The larger droplets can then move toward a drain or separation zone under gravity or flow forces.
How Does a Separator Filter Work?
A separator filter provides the final separation stage after liquid droplets have been coalesced. Its hydrophobic or specially treated media helps prevent separated liquids from being carried downstream while allowing the desired gas or fuel to pass through.

Coalescer & Separator Filter Cartridge Specifications
Below is a specification table for common coalescing and separation filter elements, provided for reference only; customization services are available to meet your specific requirements.
| Parameter | Available Options |
| Filter Media | Fiberglass / Polyester / Cellulose / Composite |
| Filter Type | Coalescer / Separator / Coalescer-Separator |
| Application | Gas / Fuel / Oil / Water / Process Fluid |
| Filtration Rating | Customized according to application |
| Outer Diameter | Customized |
| Inner Diameter | Customized |
| Length | Customized |
| End Cap | Customized |
| Seal Material | NBR / FKM / EPDM / PTFE |
| Core Material | Carbon Steel / Stainless Steel |
Custom Coalescer & Separator Filter Cartridges
Custom Filter Media
Select suitable media according to fluid and separation requirements.
Custom Dimensions
OD, ID and length can be manufactured according to your housing.
Custom End Caps
Different end-cap and mounting configurations are available.
Custom Sealing Materials
NBR, FKM, EPDM and other sealing options can be selected according to operating conditions.
Custom Flow Direction
Filter construction can be optimized for different housing configurations.
OEM Replacement
For customers who already have a cartridge design, we can manufacture equivalent or replacement elements according to samples, drawings or specifications.

Frequently Asked Questions
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What is the material of coalescer & separator filter?
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The materials of coalescence separation filter cartridge usually include polypropylene, glass fiber, polyamide, etc.
What is the difference between coalescer filter and separator filter?
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1. Filtration efficiency: The coalescing filter cartridge has high filtration efficiency and is suitable for filtering high concentration suspensions; The separation filter element has high filtration accuracy and is suitable for filtering low concentration suspensions.
2. Durability: The coalescing filter element is resistant to high temperatures and is not easily damaged, making it suitable for filtering high viscosity fluids; The separation filter element is maintainable and has a long service life.
3. Cost: Agglomeration filter has a lower cost, but because the filter itself is not maintainable, it needs to be replaced and re purchased; The cost of separating filter cartridges is relatively high, but because they are maintainable, they can be used multiple times and are more cost-effective.
How often should i replace the coalescer & separator filter?
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Generally speaking, engine and equipment manufacturers have certain requirements for the replacement of air filters. Customers can replace the filter element according to the regulations of the engine or equipment manufacturer, or according to the indication of the differential pressure indicator.
Commen Part number of coalescer separator filter
| CS604LGH13 | CS604LGDH13 |
| CS604LGBDH13 | CS604LGBH13 |
| CS604CGH13 | CS604LGH |
| cs94 | I-633C5TB_I-633c5 |
| I-638C5TB_I-638C5 | I-63883TB_I-63883 |
HUAHANG provides you durable coalescer and separator of high performance, who is one of the best coalescer and separator manufacturers. We can offer you different filters suitable for specific purposes. Should you have any questions, please call us.
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