Bonneville Dam
At Seals Unlimited, we provide global solutions. The quality, responsiveness, and technical experience of our team, has developed a loyal following in the hydro industry. We’ve done business with nearly every major hydro owner in North America, and we’ve provided seals to large and small projects around the globe.

Hydro Industry Segments

The hydro industry poses unique challenges, from extreme cold and heat, to low/high head gates. Each condition can affect a product’s performance. That’s why we work closely with you to choose the materials and manufacturing process that solves your problem.

  • Door Seals
  • Fish Mitigation
  • Flood Protection
  • Irrigation & Waterway
  • Power Generation
  • Water Dams & Navigation Locks
  • Water Treatment

Rubber Gate Seals

Huntington Brand rubber gate seals are respected for their performance and durability. Our hydro specialists will help you design the gate seal needed for your application.

  • Bulkhead Gates
  • Cofferdams
  • Crest Gates
  • Custom Gates
  • Flood Gates
  • Mitre Gates
  • Roller Gates
  • Slide Gates
  • Sluice Gates
  • Stop Logs
  • Tainter Gates


We have the largest tooling inventory in the industry, allowing us to mold and fabricate seals with fully molded corners. With such extensive resources, we’re able to respond quickly and cost effectively in most applications.