The Capacity+ Low-Profile Secondary Seal allows for maximized tank useable volume with reliable, worry-free operation. Featuring the lowest vertical height of any secondary seal on the market with the most versatile working range, the DirecTank Capacity+ provides the best option for tank owners to efficiently and reliably optimize working capacity of their tanks.

Featuring robust, custom-engineered components, and supplied with several key items pre-assembled, the Capacity+ is also simpler to install than competing products, requiring fewer installation man-hours and resulting in a safer overall installation process.

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Capacity Plus Low-Profile Secondary Seal

Key Design Features:

  • Versatile working range
  • Robust abrasion-resistant wiper tip pre-wrapped with heavy-duty Teflon
  • Excellent water shedding ability
  • Unparalleled flexibility and working range
  • Premium materials for long, worry-free operational life
  • Pre-assembled components and installation-friendly features to minimize installation time
  • Vapor Barrier Fabric provided pre-punched to facilitate rapid installation
  • Non-metallic fabric support members to assist with water-shedding and prevent tearing or shearing of the vapor barrier fabric
  • Materials are compatible with any product normally stored in floating roof tanks.

Key Benefits:

  • Low Vertical Profile for increased working volume.
  • Tight-Fit, Zero Gap design utilizing high-strength, hardened stainless spring steel compression members that provide uniform, consistent sealing pressure against the tank shell.
  • Reliable, maintenance-free operational life.
  • Allows for easy visual inspection of all components, including access to the primary seal.