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Vici Valco Valves for Gas Chromatography

Analytics Shop offers Valco valves that have been the industry standard in gas chromatography for more than 40 years. New designs are smaller and easier to service, but still exhibit the quality and value that made them the industry standard.  Valves are available with 3, 4, 6, 8, 10, 12, or 14 ports, with 1/32", 1/16", 1/8", or 1/4" fittings, and with bore sizes from 0.25 mm (.010") to 4 mm (.156"): 

  • 1/32”, 1/16”, 1/8”, or 1/4” Valco ZDV fittings
  • 3, 4, 6, 8, 10, 12, and 14 port and internal sample two position versions
  • Five multiposition flowpath configurations with as many as 16 positions
  • A variety of materials for hostile environments and continuous use at elevated temperatures
  • Can be configured for use at temperatures up to 350°C or pressures up to 10,000 psi

In addition, Valco valves offer the widest range of rotor and body materials of any valve available, with alloys and polymer composites capable of meeting virtually any system requirement. Valves can be actuated manually or automated with pneumatic or electric actuators. A complete valve product number includes information about the valve, actuator, and mounting hardware. Valves include stainless steel nuts and ferrules. Medium temperature GC valves have a rotor made of Valco E, a polyaryletherketone/PTFE composite. High temperature GC valves use a polyimide/PTFE/carbon composite designated Valcon T.  Appropriate fittings are supplied with all valves. Valves rated at 1000 psi or less have Type 303 stainless ferrules; those rated above 1000 psi have Type 316 stainless ferrules. A valve ordered with an optional body material is supplied with ferrules of the same material as the body, with Type 316 stainless nuts. Find Valco valves sorted by pressure, temperature, number of ports, actuation, number of positions, bore size and fitting.

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