Seals for critically clean applications

Pharmaceutical and food process lines which are required to operate at the highest hygiene levels, use pure, high temperature aggressive water (WFI) systems for their SIP (Steam in Place) and CIP (Clean in Place) processes. The operation of repeated steam recycling places severe demands upon any sealing products incorporated within control valves used in the process pipework.

These valves are widely used to control flow, pressure and temperature of fluid media within the system. Dichtomatik, an official Dupont licensee, is able to supply the Kalrez 6221 perfluorelastomer compound O-rings and other sealing profiles including custom shapes.

These products are thermally stable up to 260°C, and suitable for stage II sterilisation application processes where other elastomers can lose their sealing capabilities.