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Diaphragm valve

Microvolume internal sample injectors

1/32" and 1/16" fittings

Microvolume sample injectors are used to achieve sample sizes of .5 µl and 1 µl. The internal sample "loop" is actually an engraved connecting slot on the valve cap which is sized to contain a specified amount of sample. Valves are rated for 750 psi at 50°C, with Valco zero dead volume fittings for 1/32” or 1/16” tubing.


Applications

application   Click on the schematic
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Actuation

Actuator air (40-50 psi) is supplied to a side port with 10-32 female threads, permitting use of a variety of compression or barbed fittings. A 3-way solenoid is required for actuation. (Order separately.)


Further reference

Which valve do I need?
Sampling and switching diaphragm valves
Replacement diaphragms

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Includes stainless steel nuts and ferrules.
A 3-way solenoid is required for actuation. (Order separately.)

 Specs    Fitting  
 size  
 Bore    Sample  
 size  
 Product No.   
 50°C max
 750 psi liq
 Nitronic 60
    valve body  
 Polyimide
    diaphragm
 1/32”  0.25 mm  
 (.010") 
 .5 µl  DV12-1114-.5   
 1 µl  DV12-1114-1 
 1/16”  0.40 mm
 (.016")
 .5 µl  DV22-2114-.5
 1 µl  DV22-2114-1
 1/16”  0.75 mm
 (.030")
 .5 µl  DV22-3114-.5
 1 µl  DV22-3114-1
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