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22916 Supelco

8-Port Sampling and Switching Valve

fitting size 1/8 in., maximum temperature 300 °C

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Properties

Related Categories 8-Port Sampling and Switching Valve, Analytical/Chromatography, GC Accessories, Gas Chromatography (GC), Instrument Upgrades and Maintenance,
feature   number of ports 8
mfr. no.   VICI Valco®
maximum temperature   300 °C
fitting size   1/8 in.

Description

General description

Select between two columns connected to a single detector requiring auxiliary gas for the second column. The figure shows the 8-port sampling valve with two sample loops used for repetitive sample injections on one column.

Sampling valve basically supports the discrete volumes of the treated samples stream to periodically inject into the carrier gas stream of the chromatograph. Sampling valves are fitted with electric or pneumatic actuators which help them to be operated automatically. Switching valve are critical if binary pumps are used. It allows employment of different desired mobile phases. Switching valve consists of five parts: control unit, connecting device, valve body, a rotor and preloaded assembly.

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Valco is a registered trademark of Valco Instruments Co. Inc.

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Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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