Velcon FO Series Fiberglass Particle Filter Cartridge Compression Station Natural Gas Pre protection Filter

The FO series is a pre installed solid particle filter element, which is the first stage component of a horizontal filter separator. It only intercepts solid impurities such as rust, welding slag, and dust, and does not have the ability to coalesce and remove liquids. It is mainly used to protect the I-6 coalescence filter element at the rear end and extend the service life of the entire filter element.

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Velcon FO Series Fiberglass Particle Filter Cartridge Compression Station Natural Gas Pre protection Filter
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Product Introduction

Three major series division of labor (installation order cannot be reversed)

Airflow direction: FO particle filter → I-6 coalescence filter → SO separation filter


Structural appearance

-Appearance: Full body pure white fiberglass pleated filter material

-Filter material: borosilicate glass fiber impregnated resin, multi-layer folded structure, large pollutant holding capacity, good water and heat resistance

-Skeleton: Inner and outer metal mesh, anti-corrosion coated carbon steel center pipe and end cap

-Sealing: Buna-N nitrile rubber sealing ring; Epoxy resin thermosetting sealing to prevent medium bypass short circuit

-Flow direction: from outside to inside


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.


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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