For metal containers

4s® Closure System

For over 85 years, steel drums fitted with Tri-Sure® closures have set the international standard, and they continue to do so. Our 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.

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Tri sure 4s industrial container closure system for drums metal
Advantages
<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 wider chemical resistance of the two washers combined can help you to reduce your number of drum and closure specifications.</li></ul>
Options
  • 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 phosphated mild steel.
  • Zinc plating and phenolic or epoxyphenolic lacquering is available for protection against aggressive products.
Tri Sure brochure 4s

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