Flowmeter Liner Selection Guide

Use this Selection Guide to see the exact specifications for the various liner types, and get a quick overview of the best liners ( ◉ ) to use within different application areas.

PFA PFTE Neoprene EPDM NBR Linatex Ebonite Ceramic Novolak
Drinking Water
Wastewater
Abrasive Liquids
Chemicals
Food & Beverage
Pulp & Paper

The information presented in the following table has been supplied by Siemens or other reputable sources and is to be used only as reference. Please consult the Siemens catalogue FI 01 and chemical compatibility tables for further product/media compatibility and specific product temperature limitations.

View Full Liner Selection table (PDF – 262kb)

Properties PFA PFTE Neoprene EPDM NBR Linatex Ebonite Ceramic Novolak
Other names Perfluoroalkoxy Polytetraflouro
-ethylene
Polychloroprene Ethylenepropyl
-enediene
Nitrile Butadiene Rubber Nautral Soft Rubber Hard Rubber Zirconium Oxide (ZrO2) Aluminium
Oxide (Al2O3)
Epoxy Coating
General Attributes Excellent chemical resist-ance,
withstands high temperatures without
deformation
Excellent chemical resistance Performs well in contact with oils and many chemicals. Drinking water and many other media than hydrocarbons (oil, tar, graese) Excellent for water and general purpose
applications.
Excellent abrasion performance. Suitable for wastewater and several chemical
applications. Useable for temperatures up to 95ºC and for applications with high pressure.
Chemically inert
in the presence of most substances, even at elevated temperatures. Vaccum resistant.
Chemical process and pulp and
paper applications. High- temperature applications.
Wear Resistance ✔✔ ✔✔ ✔✔✔ ✔✔
Applications
Drinking Water ✔✔✔ ✔✔
Wastewater ✔✔✔ ✔✔✔ ✔✔
Abrasive Liquids ✔✔ ✔✔✔
Chemicals ✔✔✔ ✔✔✔ ✔✔ ✔✔ ✔✔
Food & beverage ✔✔✔ ✔✔✔ ✔✔ ✔✔✔
Pulp & Paper ✔✔✔ ✔✔✔ ✔✔
Acid Resistance
Diluted ✔✔✔ ✔✔✔ ✔✔✔ ✔✔ ✔✔ ✔✔✔
Concentrated ✔✔✔ ✔✔✔ ✔✔
Temperature
Maximum temperature (F/C) 300F 356F 158F 158F 158F 158F 203F 392F 266F
150C 180C 70C 70C 70C 70C 95C 200C 130C

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