An electrically operated barrier assembly. Barrier assemblies comprises a woven steel and glass fabric wound on to a steel roller, powered by an internal 24 V d.c. electric motor, enclosed within a 1.2 mm-thick stainless steel box. A bottom bar is fitted to the bottom edge of the curtain providing tension to the curtain with sufficient weight for the curtain to ‘fail-safe by gravity’.

The 24 V motor contains an electromagnetic brake to arrest motion of the curtain when in the open position. Barrier assemblies have been tested to the requirements of BS EN 1634-1:2014 for ‘Fire Resistance’ (240 minutes integrity). Barrier assemblies have been tested to the requirements of BS EN 1634-1:2014 for ‘Radiant Heat Flux’ (30 minutes).

Operation:

Barrier assemblies commences movement upon initiation of alarm or power or system failure, and fully deploy to the fire operational position within the range of velocities of 0.06 m/s to 0.15 m/s using the unique VarioSpeed™ function. Operating speeds are site adjustable without altering the bottom bar mass. Speeds may be dictated by those authorities having jurisdiction for ‘safety in use’ according to the location, nature or function of each unit.

In the event of a mains supply power failure, the curtain is retained in the open position for a pre-determined period (nominally 30 minutes), using battery back-up power. At the end of the period, the barrier assembly will deploy.

Fire resistance:

240 minutes (4 hours) integrity (single).

Radiation resistance:

35 minutes <15 kW/m² (single).

Classification:

E240 EW30 C0.

Certification:

Complete barrier assemblies are certified by an independent accredited certification body operating to ISO/ IEC 17065:2012. Complete barrier assemblies are certified with an independent accredited certification body operating an accredited United Kingdom Accreditation Service (UKAS) scheme for installation, commissioning and servicing.

Product certification, performance and/ or testing:

Barrier assemblies are certified by an independent accredited certification body operating to ISO/ IEC 17065:2012.
Barrier assemblies have been tested for fire resistance to BS EN 1634-1. The barrier assembly achieved 240 minutes integrity and 30 minutes radiation.
Motor(s) used within barrier assemblies have been tested for operation at temperatures of 400°C as required by BS 8524-1.
The fabric used in the barrier assemblies have been tested to BS 476 pt 6 and pt 7.
The fabric used in the barrier assemblies have been tested to BS 6853.
The fabric used in the barrier assemblies have been classified as 'A1' to EN 13501-1.

Approving standards:

The following standards apply to this product:

BS EN 1634-1:2008, Fire resistance and smoke control tests for door, shutter and, openable window assemblies and elements of building hardware. Fire resistance tests for doors, shutters and openable windows.
BS EN 1363-1:2012, Fire resistance tests – Part 1: General requirements.
BS EN 1363-2:1999, Fire resistance tests – Part 2: Alternative and additional procedures.
BS EN 13501-2:2007+A1, Fire classification of construction products and building elements. Classification using data from fire resistance tests, excluding ventilation services rating.
BS 476-6, Method of test for fire propagation for products.
BS 476-7, Method of test to determine the classification of the surface spread of flame for products.
BS 6853: 1999 – Annex D.8.4, Methods for measuring smoke density.
BS EN 13501-1:2007+A1:2009, Fire classification of construction products and building elements. Classification using test data from reaction to fire tests.
BS EN ISO 14184-1:2011. Textiles. Determination of formaldehyde. Free and hydrolysed formaldehyde (water extraction method).
BS EN ISO 9001:2015, Quality management system.
BS EN ISO 14001:2015, Environmental management system.

FIREMASTER 4/1000 FIRE CURTAIN