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HPLC and UHPLC fittings, kits and accessories
Quickly connect LC modules, valves, and columns using Thermo Scientific HPLC and UHPLC fittings for leak-free fluidic connections. Thermo Scientific Viper TQ UHPLC Fittings, and Thermo Scientific Viper and nanoViper Fingertight Fittings can help improve chromatographic results by supporting virtually zero dead volume. With no tools necessary for installation, all fittings are reusable and combine simplicity with high performance.
Which Viper or nanoViper Fingertight Fittings should I choose?
Viper TQ UHPLC Fittings feature tool-free installation and have a built-in torque-control mechanism to make installation even easier. A click you can hear, along with noticeable resistance in your fingertips signal that your fittings are properly connected. Overtightening is not possible with the torque-controlled design, giving you confidence in your installation. Viper and nanoViper Fingertight Fittings also offer tool-free installation. Our comprehensive fitting guide covers everything you need to know about selecting the right fittings for your system, including pressure ratings and material compatibility.
Viper and nanoViper Fingertight Fitting categories
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| Description | ||
| Viper TQ UHPLC Fittings, and Viper and nanoViper Fingertight Fittings are available in stainless steel and biocompatible materials. | Pre-assembled kits include all connections and capillaries needed to run standard or advanced workflows. | Connectors, plugs, filters, pre-heaters and post-column coolers, which use Viper Fingertight Fitting technology. |
Why are Viper HPLC and UHPLC Fittings better than conventional fittings?
| Conventional fittings with ferrule | Viper TQ UHPLC Fittings | Viper Fingertight Fittings |
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| Ferrule sealing is prone to dead volume. Tools required for installation. | Face sealing produces virtually zero dead volume. Confident tool-free connections you can hear and feel. | Minimum dead volume with tip sealing. No tools required for installation. |
Key components of Viper TQ UHPLC Fittings
Tool-free installation
Fingertight connections make installation easy for every user. Lock in a smoother, more consistent pressure-driven flow with just your fingertips.
Torque-controlled tightening
Haptic feedback with an audible and noticeable resistance in your fingertips indicates the fitting is properly connected.
Virtually zero dead volume
Seals at the tip of the tubing minimize extra column volumes for higher efficiency and accuracy.
Easy to grip
Viper TQ UHPLC Fittings are easy to grip and have a sleek design to fit into the tightest gaps.
More options
A variety of materials and dimensions (length and ID) are available for nearly every system and application.
Temperature- and pressure-tolerant
The robust materials can withstand temperatures up to 120 °C and support ultra-high pressures up to 1500 bar.
Reliable
Secure a seamless, leak-free and clog-free connection with built-in confidence in every sense.
Reusable
Robustness has been proven by testing across more than 300 connects and disconnects, ensuring long-lasting performance.
