What Valco Valve Do I Need

VICI Valve Selection Flowchart

GC
Up to 1500 psi
LC, FIA, SPE
Up to 1000 psi
NANOBORE
HPLC, UHPLC
Up to 20,000 psi
HPLC, UHPLC
Up to 20,000 psi
(with C72)
SFE, SFC
Up to 5000 psi
Two position
Multiposition
Two position
Multiposition
5000 psi
10,000 psi
15,000 psi
20,000 psi
Two position
Multiposition
Two position
Multiposition
Valco rotary
Diaphragm see Note #1
Valco
Cheminert
see Note #2
Internal sample
Sampling/switching
Dead end: SDMW
Common outlet: SCMW
Flow-through: SFMW
Trapping: STMW
Trapping/flow-through: STFMW
Internal sample
Sampling/switching
Internal sample
Sampling/switching
Standard stream selector
Stream selector with 20, 24, or 26 positions: C25G
Stream selector for 1/4" tubing: C45
Internal sample: C4N
Sampling/switching: C2N
Two position
Multiposition
Nanovolume stream selector: C75
Stream selector: C5
Stream selector: SDUW
Trapping/column selector: STUW
Internal sample: CI4W, CI4UW
Sampling/switching
Stream selector: SDUW
Trapping/column selector: STUW
1/32": NI4WE
1/16": CI4WE, CI4UWE
1/8": I4UWE
1/32": DV12
1/16": DV22
1/16" ZDV: C22Z
1/16" or 1/8" 1/4-28: C22
1/4" 1/2-20: C42
1/16" ZDV: C25Z
1/16" 1/8" 1/4-28: C25
Nanobore: C2N, C72
Internal sample: C4N, C4, C74
Specialized 6 ports
Sampling and switching: C2, C72
Internal sample: CI4W, CI4UW
Sampling/switching
1/16": W, UW
1/8": UW
1/32": NWE
1/16": WE, UWE
1/8": UWE
1/4": VLMWE
1/32": NWT
1/16": WT, UWT
1/8": UWT
360 µm: C72M
1/32": C72N
1/16": C72
132: C75N
1/16": W, UW
1/8": UW
Through the handle injector: C1, C1CF
Vertical port injector: C2V
Centered port injector: C3
Continuous flow: C6, C1CF
Notes:
1. Diaphragm valves are used primarily in process applications with a high number of actuations.
2. Cheminert is the normal choice, unless a port size or sample size only offered in the Valco line is required.
Medium temp
High temp ●