HVAC Duct &
Circular Penetration
Seals

For pipe penetrations greater than 42” diameter, flange diameter vessel penetrations, rectangular duct penetration and for module/module and module/deck seal systems, MCL offer their Firetex Skirt Seal System. A single skirt installation provides AO and HO protection and has been proven to withstand blast overpressures up to 1.16 barg.

In addition to these hydrocarbon test, MCL have also successfully tested their skirt seal system with stainless steel mesh reinforced latex over shroud and have proven integrity through 58 minutes.

Testing was carried out in strict accordance with HSE’s specification 071 63495.