Custom-Length Tubing with Flanged Fittings Installed

flanged fittings installed on tubing
  • FEP, PFA, ETFE, and PTFE tubing
  • 1/16" or 1/8" OD
  • Color-coded with 12 colors
  • Great volume discounts

For your convenience, we now offer 1/16" OD x .030" ID or 1/8" OD x 1/16" ID tubing of the length and material you specify, with color-coded flanged fittings already installed. Cheminert 1/4-28 flanged tube end fittings attach directly to Cheminert valves and fittings, and are easily joined to each other with a union. Finger-tightness is all that is required to make a leak-free seal at 500 psi liquid.

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  • Fluorinated ethylene propylene (FEP) is another member of the fluorocarbon family with similar chemical properties. It is generally more rigid than PTFE, with somewhat increased tensile strength. It is typically more transparent than PTFE, slightly less porous, and less permeable to oxygen. FEP is not as subject to compressive creep at room temperature as PTFE, and because of its slightly higher coefficient of friction is easier to retain in a compression fitting.
  • Perfluoroalkoxy (PFA) is a fluorocarbon with chemical and mechanical properties similar to FEP. More rigid than either PTFE or FEP. Commonly used for injection molded parts.
  • Ethyltrifluoroethylene (ETFE) is the generic name for the material such as Tefzel®. A fluoropolymer used for sealing surfaces, it is resistant to most chemical attack; however, some chlorinated chemicals will cause a physical swelling of ETFE tubing.
  • Polytetrafluoroethylene (PTFE) is the generic name for the class of materials such as Teflon®. It offers superior chemical resistance but is limited in pressure and temperature capabilities. Because it's so easy to handle, it is often used in low pressure situations where stainless steel might cause adsorption. PTFE tubing is relatively porous, and compounds of low molecular weight can diffuse through the tubing wall.