Domestic replacement Velcon FO-644PLF5TB filter cartridge gas filter particle impurity filter element

The FO series is a benchmark filter element in the natural gas industry. It is mainly used to efficiently remove solid particles and liquid impurities (such as water and oil) from natural gas, thereby protecting downstream key equipment such as compressors and flow meters.

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Domestic replacement Velcon FO-644PLF5TB filter cartridge gas filter particle impurity filter element
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Product Introduction

The design of the FO series focuses on high performance and high reliability, mainly reflected in the following aspects:
1. High compressive strength: This is one of its key advantages. In laboratory testing, the FO-472G model has an average compressive strength of over 100 psid, much higher than its competitors (about 34 psid), ensuring that the filter element does not collapse under high pressure differentials.
2. High filtration/separation efficiency: using multi-layer gradient glass fiber media, the fiber diameter gradually decreases layer by layer, which can achieve efficient "channel free" deep filtration, evenly distributing particles in the filter layer to improve the pollutant absorption capacity. Meanwhile, the fine glass fiber layer on the inner side also enhances the removal effect of liquid water.
3. Positive medium migration barrier: There is a cellulose barrier layer impregnated with resin inside the filter element, which can effectively prevent glass fiber from falling off and eliminate downstream pollution.
4. Excellent operational characteristics:
Protective layer: The outer layer is a glass fiber mesh coated with resin, which can maintain its shape, resist handling damage, and reduce the accumulation of external dirt.
Corrosion resistant structure: Both the end cap and the center tube are made of aluminum plated steel material, which is corrosion-resistant and sturdy.
Reliable sealing: Use Buna-N gaskets to ensure a tight seal after installation.

The FO series filter element is a key component in the natural gas processing process

Natural gas gathering and transmission pipelines: gas gathering stations, compressor stations, distribution stations, pipeline cleaning stations, terminal stations, etc.

Natural gas purification plants, long-distance pipeline stations.

Urban gas transmission and distribution network, gas power plants.

Non corrosive gas filtration: gas-liquid and liquid-solid separation of gases such as nitrogen, carbon dioxide, propane, butane, etc.


More models
FO-614PLF1/2
FO-614PLF1
FO-614PLF2
FO-614PLF5
FO-614PLF10
FO-614PLF25
FO-614PLF75
FO-718PL05
FO-718PL15
FO-718PL25
FO-736PL05
FO-822PL1/2


Product Technical Parameters

Modeltotal length (inches)filtration accuracy (99% weight efficiency)
FO-436G 35.750.5 microns
FO-436G535.751 micron
FO-436GA35.752 microns
FO-436GC35.755 microns
FO-472G71.8750.5 microns
FO-472GC71.8755 microns


General technical parameters:

Outer diameter: 4-1/2 inches, inner diameter: 3-3/8 inches

Maximum operating temperature: 200 ° F (approximately 93 ° C)

Flow direction: From outside to inside

Sealing material: Buna-N gasket

End cap material: aluminum plated steel, with corrosion resistance

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