Customer Cases

Introduction:

LEFILTER FI3739 Series filter cartridges provide high efficiency and economical filtration of fluids in a wide variety of applications. These applications include petrochemical, oil and gas, and other related industries.

LEFILTER FI3739 Series filter cartridges are available in several basic types of medias:

• Glass Cellulose

• Cellulose

• Polyester blend

These filter cartridges are 3.75” OD by 2.20” ID and are 38.56” nominal length. They are offered in various micron grades and ratings, which provide absolute micron ratings with Beta >200 at the stated micron rating.

LEFILTER FI3739 Series filter cartridges are manufactured with pleated media, metal end caps with an internal 

O-ring seal, metal center tube, and a nylon outer sleeve for pleat stability.

This construction allows the cartridge to withstand a differential pressure of 100 psid and temperatures of 275 ˚F. The pleated design offers a large effective surface area from 45-60 square feet, depending on the media and micron size used.

Benefits:

• Lifting handle for easy cartridge removal

• Tin plated metal end caps

• Tin plated metal, spiral, perforated center tube

• O-ring seal with a variety of elastomers available

• Nylon mesh outer sleeve

• Pleated medias for high surface area and dirt holding 

capacity

• Absolute micron ratings: 1-50 micron

• Epoxy adhesives

Other optional models:

FI3739C2A

FI3739C5A

FI3739C10A

FI3739C20A

FI3739C30A

FI3739C50A

FI3739K5A

FI3739K10A

FI3739K20A

FI3739K50A

Materials:

Filter media options:

2 - 10 μm: Glass Cellulose

20 - 50 μm: Cellulose

5 - 20, 50 μm: Polyester Blend

Gasket Materials: 

Standard: Buna-N

Optional: Other gasket material available

Components:

Center Core: Tin Plated, Spiral Perforated Steel Core

End Caps: Tin Plated Steel

Outer Body: Nylon Mesh Sleeve

Adhesives: Epoxy

Technical data: