The Proco Series 231/ET expansion joint is engineered to withstand highly corrosive chemical applications in demanding industries like chemical processing, petrochemical, and pollution control. This expansion joint excels in the paper industry due to its unparalleled resistance to corrosive attack at high temperatures and pressures, surpassing metal and plastic alternatives.
ET 231: Unrivaled Chemical Resistance in Pulp and Paper Applications
The 231/ET expansion joint offers exceptional chemical resistance across the entire pH range, making it ideal for challenging pulp and paper processes. This includes:
- White, green, and black liquor processing
- Bleach plant chlorination
- Caustic extraction stages
Advanced Construction for Enhanced Performance
Utilizing tire cord technology, the redesigned 231/ET expansion joint boasts enhanced strength, flexibility, and movement capabilities. Woven polyester tie cord forms a robust fabric matrix, bonded with an EPDM elastomer reinforced with metal and a PTFE liner. This innovative construction results in superior operating performance.
Key Features and Benefits of the Proco ET 231 Expansion Joint
The Proco Series 231/ET offers a range of advantages:
- Enhanced Movement: A lower, wider arch profile allows for greater movement.
- Cost-Effective Solution: Provides exceptional chemical service at a minimal cost.
- Stress and Vibration Management: Absorbs pipe movements and stress, reducing system noise and isolating mechanical vibrations.
- Improved Alignment: Compensates for misalignment and offset.
- Electrolysis Prevention: Eliminates electrolytic action and electrolysis.
- Protection from Surge Forces: Safeguards against startup and surge forces.
ANSI/NSF 61 Certification for Potable Water Applications
Proco Products, Inc. holds ANSI/NSF 61 Certification for the Series 231/ET, ensuring its suitability for potable water applications. The EPDM/PTFE elastomer construction meets the rigorous standards set by the National Sanitation Foundation (NSF) and the American National Standards Institute (ANSI) for materials in contact with drinking water. The 231/ET is available in sizes ranging from 1″ I.D. to 120″ I.D.
For detailed specifications and further information, download the Proco Series 231/ET brochure. Contact PROCO for current pricing and availability.
