BIS Pacifyre® MK II Fire Sleeve
For plastic leadthroughs or metal pipes
The BIS Pacifyre® MK II Fire Stop is a single part fire sleeve which seals a pipe lead-through with a grommet type seal making it fire resistant and smoke tight. Only one BIS Pacifyre® MK II Fire Stop is required to seal off the aperture between the pipe and the wall or ceiling making it fire resistant and smoke proof. Escape routes and rescue access therefore remain unobstructed for longer and free of smoke, allowing occupants to vacate the building in good time and in a safe manner.
Unique features
The Pacifyre® has many unique properties. The sleeve:
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is easily and simply installed
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is suitable for apertures through floors, ceilings, solid walls and stud walls
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is maintenance-free and unaffected by moisture or any other building chemicals in common use
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does not affect the duct or any other construction components
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guaranteed to remain operational for decades
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permits shrinkage and expansion or sideways movement of the ducting
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does not contain any asbestos or other dangerous substances
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does not emit any toxic fumes or develop any smoke worth mentioning in the event of fire
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limits operational noise transmission between pipe and wall or ceiling
BIS Pacifyre MK II Fire Stop in action
The BIS Pacifyre® MK II Fire Stop consists of a stainless steel collar for counter pressure and protection. A low-expansion material guarantees the seal in the event of fire and the three strips of foam do not permit smoke to penetrate to the adjacent room or escape and rescue route.
The fire sleeve will expand from a temperature of 140°C. If the operational temperature of the pipe exceeds 120°C, the aperture must first be thermally insulated before installing the BIS Pacifyre MK II Fire Stop around the insulation.
Metal pipe
When used around a metal pipe, the collar seals off the space between the pipe and the wall making it fire resistant. If the metal pipe is insulated, the collar squeezes the insulating material to seal the gap between the pipe and the wall to make the aperture fire proof. A BIS Pacifyre® MK II is available to fit all metal pipes from Ø 15 up to and including 549 mm.
Plastic pipe
When used around a plastic pipe, the collar seals off the leadthrough by completely squeezing the pipe. A BIS Pacifyre® MK II is available to fit all non-insulated plastic pipes from Ø 15 up to and including 200 mm.
Strength in fire resistance
The BIS Pacifyre MK II particularly shows its strength in fire resistance. We are pleased to present the independently tested facts in the table below:
| Fire resistance | Concrete / Aerated concrete | Stud / system wall |
| Metal pipe | up to 240 minutes | up to 150 minutes |
| Plastic pipe | up to 120 minutes | up to 120 minutes |
Click here for a summary of independent fire safety tests
Article Number 214 9 999 902
Guarantee and identification card
The BIS Pacifyre® MK II Fire Stop guarantee is only valid when the correctly executed aperture is provided with a correctly completed Pacifyre® MK II Identification Card. The card must be ordered separately. Please refer to the guarantee certificate for other conditions of guarantee.