The PROCO Series 231/ET PTFE lined expansion joints are designed for tough
demanding corrosive chemical applications, as found in: Chemical & Petrochemical
Process Facilities and Highly Corrosive Industrial Piping & Pollution Control Systems.
The greatest usage of the Series 231/ET is found in the Pulp and Paper Industry
where the ability to resist corrosive attack at elevated temperature and pressure is
unmatched by metallic, plastic or other competitive expansion joints
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