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What valve do I need?


Your choices so far:
1. GC   2. two position   3. Valco rotary  

Step 4

Select a Valco two position valve category:

Internal sample injectors

4 port microvolume sample injectors are used to achieve sample sizes of .06 µl to 2 µl. The internal sample "loop" is actually an engraved connecting slot on the rotor which is sized to contain a specified amount of sample. Rated 175°C at 1000 psi liq. select

• Sampling and switching valves

This is the largest category, with 4, 6, 8, or 10 ports and a variety of fitting sizes and port diameters. Unless you need the specific application described above, select one of these:
   • Medium temp – generally rated 225°C at 400 psi gas select
   • High temp – rated 350°C or 330°C at 300 psi gas select


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