In the Valco design, the rotor is held in place by a preload assembly, which allows rotor replacement without removing loops and tubing and without disengaging the valve from the actuator or mounting bracket. In addition, the preload assembly insures that the valve is always reassembled to the factory-set tension.

Which valve do I need? Jump to: Valco injectors and valves for GC Valco injectors and valves for HPLC Valco multiposition valves Applications    Two position injectors and valves    Multiposition valves Sample loops

Valco injectors and valves for GC

Internal sample injectors
Sampling and switching valves
   Medium temp
   High temp
About two position valves

Valco injectors and valves for HPLC

Internal sample injectors
Injectors and switching valves
   Analytical
   Semi-preparative
   Preparative
About two position valves

Valco multiposition valves

Flowpath configurations
   SD low pressure
   SD high pressure
   SC
   SF
   ST low pressure
   ST high pressure
   STF
About multiposition valves

Materials of construction
Specifying a special body material
Leak testing