Special Position Valves
Valves for multiinjection modes and column selection
Max. Pressure
up to 1200 bar/ 17400 psi
Function
Multi-injection mode: switch between direct sample loading, syringe and pump injection
Wetted Material
DLC coated stainless steel for high pressure applications, PEEK for biocompatibility
Function
Column selection and reverse flow with one valve
Application Area
analytical to small scale prep with 1/16" connection
Port number
8, 10, 16
Flow Rate Range
up to 50 ml/min
Internal volume
0.2 or 0.75 mm bore size
HPLC / UHPLC / FPLC Valves
Valves for eluent selection, sample injection, column selection and more.
Valves are ubiquitous in all HPLC and UHPLC applications. They act like a switch and can control the flow path of the chromatography system in various ways. Therefore, valves are indispensable for eluent selection, sample injection, column selection, and fractionation as well as any switching task.
KNAUER valves are designed for a wide range of chromatographic and dosing applications. Flexibility is provided by choice of different materials and sizes as well as drivers for various software packages. Valves are driven either manually or automatically through a valve drive.
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Applications for Special Position Valves
Whenever a 2-Position or a Multiposition Valve is not the right choice