Replacement Velcon coalescer filter element I-6566TB

Introduction:

Coalescer filter cartridges are employed as the first stage in filter/separator vessels for hydrocarbon fluids. They perform two functions: 

(1) coalesce (combine) highly dispersed, emulsified water particles into larger water drops and (2) filter-out particulate contaminants.

HOW COALESCER CARTRIDGES WORK? 

The top photo shows a highly magnified view of the coalescing process. Tiny droplets  of water contact and adhere to strands of fiberglass. Flow pushes the droplets along  the strand until they reach an intersection of strands where they combine with other  droplets (coalesce) into large drops. These large drops are then carried to the outside  surface of the cartridge. Having a higher specific gravity than the hydrocarbon fluid,  they release and settle to the bottom of the vessel. The larger the drops, the faster  and more efficiently they fall out. In general, particle removal efficiency increases with coalescing efficiency. This is  accomplished by employing a tighter, finer filtration media. Flow direction is from  inside to outside of the cartridge. This minimizes surface velocity and helps prevent  the water drops from breaking up and being carried downstream.

Technical parameters:

Item: coalescer filter element 

P/N: I-6566TB

Size: OD152*ID89*H1422mm

Filter construction: fiberglass

Micron rating (µm): 2

Seal material: Buna-N

End cap configuration: threaded base

Maximum pressure differential: 75 psi (5.2 bar)

Changeout pressure differential: 15 psi (1 bar)

pH range: continuous cperation is 5 - 9

Maximum operating temperature: 66-71 °C (150-160 °F)

FEATURES:

• Cost effective particle and emulsified water removal from hydrocarbon fluids 

• Easy installation and replacement with one-piece design 

• Choice of Threaded Base or Open End cartridges 

• Choice of All-Fiberglass Media or Combination Fiberglass and Pleated Media 

• Field proven performance 

• Ongoing qualification testing to meet changing commercial and military requirements

APPLICATIONS: 

Coalescer cartridges are used primarily to coalesce emulsified water and remove  particles from hydrocarbon fluids. The largest single application is the filtration of  aviation jet fuel. They are also used with other types of fuels, process streams in  refineries and petrochemical plants, and condensate streams where natural gas is  produced. Other liquids can be separated if they are immiscible, the specific gravities differ, and high concentrations of surface active agents are not present. As a rule of  thumb, if a sample of the mixture readily separates in an hour or two, a coalescer can  probably be used. If the mixture hasn’t separated after 24 hours, coalescing probably won’t work.

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