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The Cheminert design involves a flat rotor which is engraved with slots to connect the ports and a stator which is held against the rotor at a constant, preset force. When repairs are required, just take out two or three screws, replace the rotor, and put the screws back in and tighten them. No adjustments are possible, much less required. Other advantages of the design include easy panel mounting, low actuating torque, and compact size. The Cheminert design offers configurations for basic flow switching, sample injection, and stream selection up to 10 positions (26 positions in some models).
cheminert valve

Which valve do I need?

Materials of construction

Jump to:
 Cheminert injectors and valves for HPLC and UHPLC
Nanobore (.004" and .006" bore)
Microbore (.010" bore)
Analytical (.016" bore)
OEM injector or selector
Cheminert low pressure valves
OEM injector or selector
Cheminert multiposition stream/column selector valves

Applications
Two position injectors and valves

Sample loops

Cheminert injectors and valves for HPLC and UHPLC

  Nanobore valves
  360 µm fittings, 0.10 or 0.15 mm ports (.004" or .006")  
  Injectors and valves   Model No. 
      10,000 psi  NEW!   C72
      15,000 psi  NEW!   C72
      20,000 psi  NEW!   C72
  Nanobore valves
  1/32" fittings, 0.10 mm ports (.004")
  Injectors and valves     Model No. 
      5,000 psi CN2
      10,000 psi  NEW!   C72
      15,000 psi  NEW!   C72
      20,000 psi  NEW!   C72
  Internal sample injectors
      5,000 psi CN4
  Nanobore valves
  1/32" fittings, 0.15 mm ports (.006")
  Injectors and valves   Model No. 
      10,000 psi  NEW!   C72
      15,000 psi  NEW!   C72
      20,000 psi  NEW!   C72
  Nanobore valves
  1/16" fittings, 0.15 mm ports (.006")
  Injectors and valves   Model No. 
      10,000 psi  NEW!   C72
      15,000 psi  NEW!   C72
      20,000 psi  NEW!   C72
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  Microbore valves
  1/32" fittings, 0.25 mm ports (.010")
  Injectors and valves   Model No. 
      10,000 psi  NEW!   C72
      15,000 psi  NEW!   C72
      20,000 psi  NEW!   C72
  Microbore valves
  1/16" fittings, 0.25 mm ports (.010")
  Injectors and valves   Model No. 
      5,000 psi C2
      10,000 psi  NEW!   C72
      15,000 psi  NEW!   C72
      20,000 psi  NEW!   C72
      Centered port injector C3
      Vertical port injector C2V
      Through-the-handle injector   C1
      Continuous-flow injector  NEW!   C6
      Injector w/integrated motor (OEM) NEW!   C52
  Internal sample injectors
      5,000 psi – 0.15 mm ports (.006")  C4
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  Analytical valves
  1/16" fittings, 0.40 mm ports (.016")
  Injectors and valves   Model No. 
      5,000 psi C2
      Centered port injector C3
      Vertical port injector C2V
      Through-the-handle injector   C1
      Continuous-flow injector  NEW!   C6
      Injector w/integrated motor (OEM) NEW!   C52
  Internal sample injectors
      5,000 psi – 0.25 mm ports (.010")  C4
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Cheminert low pressure valves

  Valves with:   Model No. 
      Integrated motor (OEM) NEW!   C62
      Valco ZDV fittings – 1/16” C22Z
      1/4-28 fitting details for 1/16” tubing  C22
      1/4-28 fitting details for 1/8” tubing C22
      1/2-20 fitting details for 1/4” tubing C42
  Internal sample injectors with:
      Valco ZDV fittings – 1/16” C24Z
      1/4-28 fitting details for 1/16” tubing  C24
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Cheminert multiposition stream selector valves

  High pressure multiposition valves   Model No. 
      UHPLC column selector  NEW!   C75
      Stream selector
      w/integrated motor (OEM) NEW!   		C55
      HPLC stream selector C5
      HPLC column selector system C5
  Low pressure multiposition valves with:   
      Integrated motor (OEM) NEW!   C65
      Valco ZDV fittings – 1/16”
          4 - 14 positions 		C25Z
      Valco ZDV fittings – 1/16”
          20 - 26 positions 		C35Z
      1/4-28 fitting details for 1/16” tubing  C25
      1/4-28 fitting details for 1/8” tubing  C25
      1/2-20 fitting details for 1/4” tubing  C45
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