Caps for metal containers

4s® Closure System

For over 100 years, steel drums fitted with Tri-Sure® closures have set the international standard, and they continue to do so. The innovative Tri-Sure® 4s® double washer system creates an "airbag" for your drum. Each metal flange is fitted with two rubber washers to prevent leakage more effectively.

The Tri-Sure® 4s® double washer system also helps protect the contents of the drum from contamination. The double washers act as a seal, preventing the entry of air, dust, and other contaminants. Also, the washers help reduce the risk of corrosion by providing a barrier between the metal drum and its contents. The washers also provide a cushioning effect, helping to protect the contents from impact and vibration. By using the Tri-Sure® 4s® double washer system, companies can ensure the safety of their products and extend the life of the drum.

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Tri sure 4s industrial container closure system for drums metal
<ul><li>The Tri-Sure® 4s® closure system reduces your liability exposure.</li><li>The drum manufacturer can supply drums performing to the highest global standards.</li><li>Global manufacturing footprint ensures trouble-free supply. </li><li>Drum fillers can rest assured that the drums' content is sealed with maximum security.</li><li>Everyone will benefit from a hazard-free environment.</li><li>The broader chemical resistance of the two washers combined can help you to reduce your number of drum and closure specifications.</li></ul>
  • For protection against corrosion, the standard Tri-Sure® closure system is available in the zinc plated execution. You can also choose from stainless steel or unplated, tinplated, or phosphate mild steel.
  • Zinc plating and phenolic or epoxy phenolic lacquering are available for protection against aggressive products.
  • This industrial closure is for metal containers.
Tri Sure brochure 4s

More information about the Tri-Sure® 4s® Closure System

Tri-Sure is committed to its mission of protecting the environment worldwide, and the 4s® Closure System is one of many products that meets or surpasses an environmentally focused minimum standard. The quality and confidence forged over a hundred years make Tri-Sure a trusted source and an industry leader. 4s®Closure System fits the mold of the Tri-Sure brand - quality you can trust and a price point that stands up against any other industrial closure in its segment.