GW & GE Series – Wet Gas Filter Separators
Product Code: GW & GE Series – Wet Gas Filter Separators

GW series filter separators for wet gas, remove particles of dust, dirt, sand and pipe scale plus liquids, including water, natural gas liquids, and light hydrocarbons. These housings have a two-stage construction utilizing cartridges and a mist eliminator. Choose the vertical configuration GW Series for low-volume applications. Also available is the GE series (horizontal housing configuration) for high-volume applications.

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A workhorse of the gas industry, the Gas Filter Separator is one of the most widely used filtration devices on the market. Introduced more than 70 years ago, it has become the equipment of choice to purify natural gas and protect your capital investment.

 

The function of a Gas Filter Separator is to remove fine-to-medium sized solid contaminants and entrained liquid from a natural gas stream. Typical contaminant include:

  • High and medium surface tension liquids such as water and hydrocarbons.
  • Non shear sensitive solids such as sand, corrosion compounds and abrasives.
  • Pipeline and plant chemicals.

The versatility of the gas filter separator is characterized through its high dirt holding capacity and excellent liquid handling capability.

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JFS SERIES
Material of Construction Depth Style Polyester Depth Style Polypropylene
Maximum Temperature 240°F (Polyester) 180°F (Polypropylene)
Minimum Temperature -60°F
Change Out Differential 12- 15 PSID
Collapse Pressure >75 PSID
Available Micron Rating 0.3, 0.5, 1, 5, 10
Standard Sizes 312, 324, 336, 348, 372
512, 524, 536, 548, 572

 

JFG SERIES
Material of Construction Fiberglass
Maximum Temperature 275°F
Minimum Temperature -60°F
Change Out Differential 12-15 PSID
Collapse Pressure >75 PSID
Available Micron Rating 1, 5,10
Standard Sizes 312, 324, 336, 372, 536, 572

 

JMG SERIES
Material of Construction Micro-Glass
Maximum Temperature 275°F
Minimum Temperature -60°F
Change Out Differential 12-15 PSID
Collapse Pressure >75 PSID
Available Micron Rating 0.3, 0.5, 1, 5, 10
Standard Sizes 312, 324, 336, 372, 536, 572

Often confused with a Reverse Flow Coalescer or a Separator, its design consists of three stages of filtration and separation: the knockout stage, the element stage and the separator stage. The element and separation stages are housed in separate compartments.

Knockout Stage
As natural gas enters the Filter Separator, it impinges on element support posts, also known as risers. Correct length of the risers is important to prevent direct gas impingement on the elements. Gas impingement on the risers is used to disengage any contaminant from the gas stream via impaction, deflection and gravity. In order to maximize deflection and make the
most of gravity separation, Jonell Systems Filter Separators utilize a special optimized riser layout.

Element Stage
In the standard offering the element stage of the Filter Separator is fitted with Jonell Systems patent pending TRI-SHiELD depth cartridges for maximum dirt loading. The direction of flow is outside-to-inside for maximum solids removal. The cartridges also serve the function of coalescing liquid droplets. At this stage the precoalesced droplets are ready to be removed from the gas stream in the final separator stage. Typically cartridge change-out is performed based on a pre-determined interval or differential pressure.

Separation Stage
Depending on the nature of contaminant, the separation stage can be equipped with one of three available separation devices:

  • A wire mesh mist eliminator
  • A vane pack or mesh-vane assembly
  • A centrifugal device

Major Applications of Gas Filter Separators:

  • Gas storage facilities
  • Glycol dehydrators
  • Metering stations
  • Natural gas compressors