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Nickel-Clad Tubing with Options

Mon, 12/05/2011 - 7:19am

Valco tubingIdeally suitable for high-performance liquid chromatography and ultra-high-performance liquid chromatography, as well as in laboratory, food and beverage, pharmaceutical and chemical applications, Valco Instruments’ new nickel-clad tubing is available with fused silica, PEEK® or polyimide-coated fused silica. According to the company, more specifically:

  • The fused-silica tubing has a thick nickel coating to achieve a higher pressure rating, while a thin nickel coating may also be used for resistive heating. The nickel also performs as a temperature sensor, resulting in the lowest thermal mass fused-silica column currently available. Nickel-clad fused silica also allows the use of metal ferrules for improved leak-tight connections. This tubing, furthermore, permits resistive heating of columns and transfer lines, as well as optimizes heat transfer to fused silica over wire-heating methods. It incorporates a 1/32-inch outer diameter with inner diameters from 10 µm to 0.10 inches.
  • The PEEK tubing not only allows direct connections using metal ferrules to produce enhanced pressure performance, but also comes in a 1/32-inch outer diameter (with inner diameters of 0.002 to 0.015) and a 1/16-inch outer diameter (with inner diameters of 0.002 to 0.040), thereby permitting operation up to 40,000 PSI.
  • The nickel-clad polyimide-coated fused-silica tubing is available with a 1/32-inch?outer diameter and inner diameters from 10 to 250 µm. The nickel can be plated either directly over the fused silica polyimide layer or the bare silica for temperature applications above 400°C. A thin-wall, low mass version optimized for resistive heat applications is also available. 

valco@vici.com

www.vici.com

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