Polytetrafluoroethylene (PTFE) offer the ultimate chemical resistance and purity. Our PTFE diaphragms are extremely chemically resistant, often used with heptane and methyl chloride.
- Extremely steam resistant
- Not really an elastomer; has cold flow issues that can result in leaking
- Relatively higher cost to other materials
- Currently only available for our tank valves
All our diaphragms are laser-etched with cure dates and batch numbers, ensuring that they are completely traceable.