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The First Choice The World Over
The Tri - Sure Metel System

Universally recognised as the world's most secure closure, the Tri-Sure Closure System provides total protection and security for all industrial drum packaging applications.

2" and 3/4" Tri-Sure closures are engineered and manufactured as a total system consisting of the following components:

  1. Octagonal Flanges.
  2. Flage Washers.
  3. Label-Rings or Liners.
  4. Plug-Washers.
  5. Plugs.
  6. Tab-Seal Caps.

This unique system is designed to ensure ease of application and maximum security in drums of material thickness from 0.6 mm to 2 mm. Standard Tri-Sure plugs and flanges are made from mild steel and can be supplied in a range of finishes for maximum product compatibility. After the plug has been securely tightened, the closure is completed using the tamper evident Tri-Sure Tab-Seal cap. This provides the final level of protection sealing the contents from leakage, tampering and pilferage.


The Tab-Seal cap is crimped on either by hand or pneumatically operated Tri-Sure sealing tool. Customers with automated filling lines can take advantage of a flexible pneumatically operated sealing tool which is available to Tri-Sure closure users around the world. Each component in the Tri-Sure Closure System is totally interchangeable. Replacement parts are available without the need to replace the entire closure system.

A standard range of insertion dies and sealing tools are supplied throughout the world against a returnable deposit. All the resources of a worldwide network of after-sales and spares support are at your disposal ensuring continutiy of supply and international standards of uniformity.

2" Steel Flange and Plug
3/4" Steel Flange and Plug
Available in 2" or 3/4" sizes with tamper-evident Tab-Seal Caps in plain colour or printed to your own design.
The Tri - Sure Metel Tab-Seal Cap
2" Metal Tab-Seal Cap
3/4" Metal Tab-Seal Caps
Securely crimped over the Tri-Sure flange and plug, Tab-Seal Caps are available in 2" and 3/4" sizes and incorporate a 'flowed-in' compound gasket.
Tab-Seal Caps can be supplied in plain colours or printed with your own logo or message regarding the contents.

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