Wheaton® Headspace Pressure Release Seals

These seals are special crimp closures with bridges and scorelines in the aluminum seal. This design is an added safety feature, allowing the internal pressure to be released when 3.0 +/-0.5 bar has been exceeded.
Image(s) are representative of the product group and not necessarily the individual product.

Septum: Aluminum Faced Silicone Septa

Septum: PTFE/gray butyl molded septa

Septum: PTFE/silicone septa