NBS Source
SmokeStop DH120 Smoke Curtain

Application

Suitable to be used to form a virtually continuous barrier against smoke.

Description

An electrically operated active smoke curtain barrier assembly. Smoke curtain barrier assemblies comprises a metallic fabric wound on to a steel roller, powered by an internal 24 V d.c. electric motor, enclosed within a 1.2 mm (0.047 in) 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.


Features and benefits:

  • The barrier assemblies have been tested to the requirements of BS EN 12101:2006, Annex B for ‘Reliability and response times’ (1000 cycles on primary power and an additional 50 cycles using back-up power; closing speed of 0.15 m/s).
  • The barrier assemblies have been tested to the requirements of BS EN 12101:2006, Annex C for ‘Permeability of materials to smoke’ (0.3 m³/h/m²).
  • The barrier assemblies have been tested to the requirements of BS EN 12101-1:2006, Annex D for ‘Temperature/ Time Resistance Tests’ (120 minutes integrity).

General information

Shape

Rectangle

Material

Stainless steel

EFP™ A1, which is a stainless steel wire reinforced glass fabric.

Fabric

Glass fabric.

WarrantyDescription

One year

Size

Unlimited width x 4.8 m drop (maximum size).

Uniclass

Pr_25_80_79_38 Horizontal active fire curtain barriersPrimary

CAWS

L20/610 Roller shutters/ curtains

L20/810 Fire-resisting and smoke control doors/ door assemblies/ doorsets/ roller shutters and curtains – contractor installed

L20/60 Doors

Specification data - Horizontal active fire curtain barriers Enhanced data

Third-party certification

To ISO/ IEC 17065:2012 and UKAS.

Size

Unlimited width x 4.8 m drop (maximum size).

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Material:

Stainless steel wire reinforced glass fabric.

  • EFP™ A1.
  • Rigid.

Extras

Not required.

Voice warning.

Audio or spoken multi message facility when mains or emergency power is available.

Beam protection and obstruction warning.

A beam detector, with delay timer which will sound in the event of any obstruction being placed in the barrier drop line when mains or emergency power is available.

Visual alert system.

Light warning system when mains or emergency power is available.

Split drop delay.

To partially deploy to pre-determined level to permit escape, and initial smoke containment. After delay fully deploys to its fire operational position when mains, or emergency power is available.

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Fire resistance

To BS EN 1634-1, 120 minutes.

Area weight

Curtain material.

665 g/m² -5%, +10%.

Motor

24 V d.c. electric motor.

Enclosed within a 1.2 mm (0.047 in) stainless steel box.

Classification

DH 120.

Standard

To BS EN 12101-1.

Annex C for ‘Permeability of materials to smoke’.

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