We design, manufacture and install hinged and sliding blast resistant doorsets and are available as pre-engineered solutions or designed to withstand individual dynamic blast load cases, or the combonation of serveral blast cases. Door construction varies upon the blast pressure and if fragmentation and fire resistance is required. The standard range of blast doorsets are designed to behave elastically during the effects of the blast and remain operational after the blast, thus providing repeated blast resistance and continued fire protection together with emergency egress or access
THE VIDEO ABOVE SHOWS THE SHRAPNEL PENETRATION SPREAD OF THE INSIDE OF A BLAST BUNKER. THE DOORS REMAINED FULLY INTACT FROM BOTH THE POSITIVE AND NEGATIVE BLAST PRESSURE
Depending upon the structural opening size, the multiple latching mechanism is utilised to ensure that a safe haven is provided with the door set self closing and latching after each operation. Where high blast loads or sizes dictate, then a shoot bolt system is used to withstand the effects of both rebound and negative blast pressures. Both options are available with pneumatic, hydraulic or electrical power station operation with a selection of safety mechanisms
Added fragmentation protection can be provided to the external door skin to prevent projectile penetration through the door leaf.