Overview of the Agilent InfinityLab Quick Change Valves

The Agilent InfinityLab Quick Change Valves can be installed in the Multicolumn Thermostat (G7116A/B), the 1290 Infinity Flexible Cube (G4227A) and in the 1290 Infinity III Valve Drive (G1170A).

For bio-inert modules use bio-inert parts only!

Do not mix with bio / biocompatible parts.

For biocompatible modules use bio / biocompatible parts only!

Do not mix with bio-inert parts.

**Table:** Overview of the available Agilent Quick Change Valve Kits
Valve Kit PN	Pressure [bar]	Positions	Ports	Typical Application
G4231A	800	2	6	Any two-way switching, e.g. between two detectors, between waste and detector, between two columns
G4231C	1300	2	6
G4232C	800	2	10	Anything a 2-position/6-port valve can do plus alternating column regeneration.
G4232D	1300	2	10
G4234A	800	6	14	6 column selection
G4234C	1300	6	14	6 column selection
G4235A	210	12	13	Solvent selection or fractionation
G4237A	800	4	10	4 column selection
G4239C	1300	8	18	8 column selection
G5631A	600	2	6	Bio-inert, same as G4231A
G5632A	600	2	10	Bio-inert, anything a 2-position/6-port valve can do plus alternation column regeneration
G5639A	600	4	10	Bio-inert 4 column selection
G5641A	1300	2	10	Bio, anything a 2-position/6-port valve can do plus alternation column regeneration

21-Jun-2025