Valco GC valves have been in almost all commercially-produced gas chromatographs from the time that valves originally began to replace other injection methods. New designs are smaller and easier to service, but still exhibit the quality and value that made them the industry standard.
Medium temperature GC valves have a rotor made of Valco E, a polyaryletherketone/PTFE composite. High temperature GC valves use a polyimide/PTFE/carbon composite designated Valcon T.
| Available as: | Injectors and valves Internal sample injectors Internally purged valves |
Injectors and switching valves
Select bore size for product numbers and information.
| Temp | Max temp | Pressure | Ports available | Fitting size | SELECT: Bore size |
|---|---|---|---|---|---|
| High | 330°C | 300 psi gas | 4, 6, 8, or 10 (3 and 12 optional) |
1/32" | 0.25 mm |
| 1/16" | 0.40 mm | ||||
| 0.75 mm | |||||
| 1/8" | 0.75 mm | ||||
| Medium | 225°C | 400 psi gas | 4, 6, 8, or 10 (3 and 12 optional) |
1/32" | 0.25 mm |
| 1/16" | 0.40 mm | ||||
| 0.75 mm | |||||
| 1/8" | 0.75 mm | Low | 75°C | 100 psi gas | 4, 6, or 8 | 1/4" | 4.00 mm |
Internal sample injectors
Select sample sizes for product numbers and information.
| Temp | Pressure | Fitting | Bore | SELECT: Sample sizes |
|---|---|---|---|---|
| 175°C | 1,000 psi liq | 1/32" | 0.25 mm | .06, .1, .2, or .5 µl |
| 1/16" | 0.40 mm | .06, .1, .2, or .5 µl | ||
| 0.75 mm | .2, .5, 1, or 2 µl | |||
| 1/8" | 0.75 mm | .2, .5, 1, or 2 µl |
