Duplex filters are used in hydraulic systems for separating solid materials from the hydraulic fluids and lubricating oils. They are intended for installation into piping. They allow for the exchange of the filter element without operational interruption.

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Duplex Filter with Filter Element according to DIN 24550

Type: 50 LD(N)

Size according to DIN: 24550: 0040 to 0400
Additional sizes: 0130, 0150
Nominal pressure: 50 bar [725 psi]
Connection: Up to SAE 1 1/2" 6000 psi
Operating temperature: -10 °C to 100 °C [14 °F to 212 °F]; Shortly-30 °C [-22 °F]

Features

They distinguish themselves by the following:

  • Special highly efficient filter media
  • Adsorption of very fine particles across a broad pressure differential range
  • High dirt holding capacity thanks to large specific filter area
  • High dirt holding capacity across a broad pressure differentialrange
  • Good chemical resistance of the filter elements
  • High collapse resistance of the filter elements (e.g. in case of cold start)
  • Filter ratings of 3 µm to 100 µm
  • By default equipped with mechanical optical maintenance indicator with memory function
  • Continuous operating mode due to duplex filter design

 

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Duplex Filter with Filter Element according to DIN 24550

Type: 150 LD(N)

Size according to DIN 24550: 0040 to 0400
Additional sizes: 0130, 0150
Nominal pressure: 160 bar [2321 psi]
Connection: Up to SAE 1 1/2" 6000 psi
Operating temperature: -10 °C to 100 °C [14 °F to 212 °F]; Shortly-30 °C [-22 °F]

Features

They distinguish themselves by the following:

  • Special highly efficient filter media
  • Adsorption of very fine particles across a broad pressure differential range
  • High dirt holding capacity thanks to large specific filter area
  • High dirt holding capacity across a broad pressure differential range
  • Good chemical resistance of the filter elements
  • High collapse resistance of the filter elements (e.g. in case of cold start)
  • Filter ratings of 3 µm to 100 µm
  • By default equipped with mechanical optical maintenance indicator with memory function
  • Continuous operating mode due to duplex filter design

 

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Duplex Filter with Filter Element according to DIN 24550

Type: 400 LD(N)

Size: according to DIN 24550: 0040 to 0400
Additional sizes: 0130, 0150
Nominal pressure: 400 bar [5714 psi]
Connection: Up to SAE 1 1/2" 6000 psi
Operating temperature: -10 °C to 100 °C [14 °F to 212 °F]

Features

They distinguish themselves by the following:

  • Special highly efficient filter media
  • Adsorption of very fine particles across a broad pressure differential range
  • High dirt holding capacity thanks to large specific filter area
  • High dirt holding capacity across a broad pressure differentialrange
  • Good chemical resistance of the filter elements
  • High collapse resistance of the filter elements (e.g. in case of cold start)
  • Filter ratings of 3 µm to 100 µm
  • By default equipped with mechanical optical maintenance indicator with memory function
  • Continuous operating mode due to duplex filter design

 

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Duplex filter with Segment Change Over

Type: 40 FLD(N)

Nominal Size according to DIN: 24550: 0160 to 1001
Nominal Sizes acording to BRFS: 0045, 0274
Nominal pressure: 40 bar
Connection: Up to DN 100
Operating temperature: -10 °C to 100 °C [14 °F to 212 °F]

Features

They distinguish themselves by the following:

  • Filters for inline installation
  • Extremely large filter area
  • Low pressure drop
  • Special highly efficient filter media
  • Versatile applications

 

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Duplex Filter

Type: 40 FLDK(N)

Nominal Size according to DIN: 24550: 0063 to 0630
Nominal Sizes according to BRFS: 0015 to 0120
Nominal pressure: 40 bar 
Connection: Up to DN 80
Operating temperature: -10 °C to 100 °C [14 °F to 212 °F]

Features

They distinguish themselves by the following:

  • Filters for inline installation
  • Versatile applications
  • Compact design
  • Low Pressure Drop
  • Special highly efficient filter media

 

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Duplex Filter

Type: 100 FD(N)

Nominal sizes according to DIN 24550: 0160 to 1000
Nominal sizes according to BRFS: 0045 to 0270
Nominal pressure: 100 bar
Connection: up to DN 100
Operating temperature: -10 °C to 100 °C

Features

They distinguish themselves by the following:

  • Filters for inline installation
  • Versatile applications
  • Compact design
  • Low Pressure Drop
  • Special highly efficient filter media

 

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Duplex Filter

Type: 16 FD

Nominal sizes according to BRFS: 2500 to 7500
Nominal pressure: 16 bar
Connection: up to DN 300
Operating temperature: -10 °C to 90 °C

Features

They distinguish themselves by the following:

  • Filters for inline installation
  • Versatile applications
  • Compact design
  • Low Pressure Drop
  • Special highly efficient filter media