High Temperature Rotary Valves

Extend your chromatography applications up to 350°C

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Industry Leading GC Valves

Browse our complete family of Gas Chromatography Valves, including Diaphragm Valves, Rotary Valves, and Sample Stream Selection Valves, all engineered for today’s most demanding applications.

GC Injection & Switching Diaphragm Valves

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Ports: 4, 6, 10, 14
Temp: 100°C, 180°C, 250°C
Pressure: 150, 300, 500, 1000 psi
Options: Purged Valves, Hastelloy®, and Dursan® or SilcoNert 2000® Coatings

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GC Sampling & Switching Rotary Valves

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Ports: 4, 6, 10, 14
Temp: 225°C, 350°C
Pressure: 150, 325, 400, 1000 psi
Options: Purged Valves and Dursan® Coating

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Sample Stream Selection Diaphragm Valves

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Ports: 2, 4, 6
Temp: 50°C, 180°C
Pressure: 300, 500 psi
Options: Purged Valve, SilcoNert 2000® and Dursan® Coating

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Find The Right Valve For Your Application

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Valve Accessories and Spare Parts

Find the fittings, tubes and accessories for your GC Valves

Standard Fitting

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Diaphragm Valve Spare Parts

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Rotary Valve Spare Parts

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Rotary Valve Accessories

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We Help You Build Better Analytical Instruments

AFP specializes in gas chromatography valves because we understand what it’s like to want the best product for your gas chromatography applications.

We started as an OEM manufacturing GC devices and realized that the best way to have a gas chromatography valve that was accurate and reliable was to develop our own.

We now have 10 patented products and multiple product lines including our Injection & Switching Diaphragm Valves, Sample Stream Selection Diaphragm Valves, and Gas Chromatography Sampling & Switching Rotary Valves.

Our experienced team is here to help you build better analytical instruments with our gas chromatography valves.

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