ONE Secondary Rim Seal

Spring-Loaded, Rim-Mounted, Full-Contact Secondary Rim Seal

The ONE Secondary Rim Seal warrants for a circumferential and horizontally positioned sealing tip, being in contact with the tank shell at all times.

Thus, exchange of atmosphere below the ONE secondary seal and ingress of rainwater are eliminated throughout the entire tank circumference.

Key Performance Features

  • Working range of R(-X/+3X) per EEMUA Publication 159.

  • Tailored X-values for the required working range to accommodate any tank out-of-roundness.

  • Multi-Layer Sealing Tip to ensure sealing efficiency against the tank shell and compensation of shell irregularities.

  • Installation options for all existing roof rim configurations (no hot-work).

  • Combining the ONE secondary and ONE primary seal allows to comply with the most stringent emissions regulations (separate emission calculations required).

  • Seal material selection based the expected climate conditions and the chemical environment.

  • Flame retardant materials in compliance with DIN 22100 / 22118.

  • Exceptional ROI (Return On Investment) due to the lifetime of 20 years and more.

  • Turnkey installation service available from our experienced and qualified field service team.

  • Short installation time.