Valco GC valves have been in almost all commercially-produced gas chromatographs from the time that valves 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.
INJECTORS, SELECTORS, AND VALVES (Which one do I need?) ACTUATORS FITTINGS PRODUCTS FOR GC LIQUID HANDLING ADDITIONAL PRODUCTS UHPLC / NANO LC
PRODUCT SUPPORT VALVE APPLICATIONS CHROMATOGRAMS GENERAL REFERENCE UNIT CONVERSION REGULATORY SUPPORT