Particle Filter Systems

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Tailored flexibility to meet your requirements

At Friedrichs Filtersysteme, our championing of environmental preservation and process efficiency is represented by our advanced filter systems.

Join us in shaping a sustainable future: Friedrichs Filtersysteme invites you to explore our particle filter solutions, which unite responsible practices with state-of-the-art technology for a cleaner and more sustainable tomorrow.

Committed to responsible filtration solutions, our systems not only meet but exceed industry standards:  

  • Environmental protection. Our filters contribute to environmental conservation and resource efficiency in capital goods processes.
  • Innovation. We develop cutting-edge particle filter systems that set new benchmarks for sustainability and performance.
  • Responsibility. Our commitment to responsible filtration solutions is reflected by our continuous research and development efforts.

EF 4.121

Single Filter

Materials

Housing: AlMg4.5Mn (alternatively St or VA)
Filter hood: GK-AlSi12 (Cu) (alternatively St or VA)
Filter element: see separately available data sheet (FE B)
Differential pressure gauge: see separately available data sheet (5.02-TDB)
Seals: NBR Nitrile (FKM Fluor elastomer - on request)
Special materials on request

Applications

Filtration of pressure fluids, lubricants, industrial fluids, gases and water with inline filter

Pressure

Max. working: 1,6 MPa (16 bar) other upon request

Working temperature

From -10° to +120°C

EF 4.121 diagram
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NSF 4.125

Single by-pass filter with upright filter element

Materials

Housing: Aluminium
Upper part: Welded steel
Internal support system: Chrome-nickel steel and Aluminium
Filter element: Glass fibre reinforced paper filter fleece, both sides pleated with
chrome-nickel steel supporting/protective tissue;
longitudinal seam bonded and U-profile reinforced;
cast seals made from silicone
see separately available data sheet (FE NSF)
Seals: NBR Nitrile (FKM Fluor elastomer - on request)

Applications

Filtration of industrial fluids

Pressure

Max. working: 1,6 MPa (16 bar)

Working temperature:

From -10° to +80° C

NSF 4.125 product example
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DF 4.221

Double Changeover Filter with 90° connection

Materials

Housing: EN-GJL-250 (alternatively EN-GJS-400-15)
Filter hood: GK-AlSi12 (Cu) (alternatively St)
Bypass valve: Brass.
Seals: NBR Nitrile (FKM Fluor elastomer - on request)
Filter elements: see separately available data sheet (Filter elements FE B)
Differential pressure indicator housing: AlSi 10 (Mg) hard-coated
Special materials upon request

Applications

Filtration of pressure fluids, lubricants, industrial fluids and water

Pressure

Max. working: 1,6 MPa (16 bar), 4 MPa (40 bar) and other on request

Working temperature

From -10° to +120° C

DF 4.221 product example
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DF 4.222

Double in-line changeover filter

Materials

Housing: EN-GJL-250
Filter hood: GK-AlSi12 (Cu)
Seals: NBR Nitrile (FKM Fluor elastomer - on request)
Filter elements: see separately available data sheet (Filter elements FE A)
Differential Pressure Indicator housing: AlSi 10 (Mg) hard-coated, others see separately available data sheet 5.22
Special materials upon request

Application

Filtration of pressure fluids, lubricants, industrial fluids and water

Pressure:

Max. working: 1,6 MPa (16 bar), 4 MPa (40 bar) and other upon request

Working temperature:

From -10° to +120° C

DF 4.222 product example
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DF 4.225

Double Filter with sideways arrangement and 90° connection

Materials

Housing, switchover element and hoods: GK-Al Aluminium
Bypass valve: n.a.
Seals: NBR Nitrile (FKM Fluor elastomer - on request)
Filter elements: see separately available data sheet (Filter elements Type B)
Differential pressure indicator housing: AlSi 10 (Mg) hard-coated
Special materials upon request

Applications

Filtration of pressure fluids, lubricants, industrial fluids, gases and water

Pressure

Max. working: 1,6 MPa (16 bar)

Working temperature:

From -10° to +120° C

DF 4.225 diagram
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DF 4.212

Double Filter for High Pressure Applications

Materials

Housing: CrNi-Steel
Filter hood: CrNi-Steel
Filter element: see separately available data sheet (FE A)
Seals: NBR Nitrile (FKM Fluor elastomer - on request)
Special materials on request

Applications

Filtration of pressure fluids, lubricants, industrial fluids and water

Pressure:

Max. working: 1,6 MPa (16 bar), 4 MPa (40 bar) and other upon request.

Working temperature:

From -10° to +120° C

DF 4.212 product example
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