Valco Injectors and Valves for Gas Chromatography

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. The high temperature versions use a polyimide/PTFE/carbon composite designated Valcon T.

Available as: Injectors and valves
Internal sample injectors

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

Our Concept is to provide high-quality industry-specific design services even under the tightest budgets, deadlines, and we continually invest not only in new technologies, but also in our creative talent..

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