L20_610
Products - NBS Plus Specifications

L20 DOORS / SHUTTERS / HATCHES

610

Norfycurtain  Fire Resisting Curtain .

The fire curtain is deployed by gravity upon receipt of a fire signal or failure with the alarm system, which ensure a Fail safe system. The system has been tested to BS 476: Part 22 and has achieved a 4 hour rating.

Dimensions:
Electric operation - opening height up to 6000mm, opening width up to 6000mm for a single curtain. Widths above 6000mm will be manufactured from multiple roller with a 600mm overlap with a common bottom rail

Curtain
Constructed from  1, 2, 4 ½ Hour rated , Glass cloth fabric with a polymer coated to both sides, tested to BS 476 Parts 6,7, 20 and 22

Bottom Rail
The lower edge of the curtain will incorporate a twin inverted powder coated mild steel angle which acts as a weight bar to enable the curtain to un wind upon receipt a fire signal.

Side Guides
Galvanised steel guides 100mm deep x 50mm width. Incorporating a fabric retaining system to prevent the fabric pulling out of the guides under pressure from the fire source.

Roller Assembly
Enclosed within a 1.2mm galvanised steel head box. The barrel is manufacture from 76mm Diameter tube with 4mm wall, this give support to the curtain fabric and bottom rail.

Endplates
The curtain assembly is supported by mild steel endplates with mounting angles for fixing to the support structure

Electric OperationThe  motor assembly is responsible for driving and then stopping the curtain  in the normal operational position  via a current limiting circuit and providing a controlled speed of descent via a back EMF generation.Control PanelThe group control panel can support up to 6 No fire curtains rollers. In normal operation the GCP provides a constant 24v AC  supply to the roller under its control. Should a fire condition arise or the test key activated the GCP removes the 24v and the curtains descends under the gravity.Fire ResistanceTo BS 476: Part 22: 1987. 4 hours fire resistance (tested by the Loss Prevention Council). LPCP Approved and certified.

Consult with Northern Doors (UK) Ltd technical literature for details. Northern Doors can also provide a design and specification advisory service and it is recommended that they are consulted early in the design process.

Manufacturer: Northern Doors (UK) Ltd, Kingsforth Road, Thurcroft, Rotherham, South Yorkshire, S66 9HU. Tel: 01709 545 999. Fax: 01709 545 341. Email: This email address is being protected from spam bots, you need Javascript enabled to view it Web: www.northerndoors.co.uk

Product reference: Norfycurtain  Fire Resisting Curtain .

Performance: 4 hours fire resistance.

Arrangement: Vertical Roller Curtain

Shutter curtain: Glass cloth fabric with a polymer coated to both sides.

Finish as delivered:

Polyester powder coated guides and roller enclosure

Colour: Consult with Northern Doors (UK) Ltd for availability of alternative colours and to obtain samples.

Frame/ Guides:
Bottom Rail: Twin inverted powder coated mild steel angle

Side Guides: Cold rolled mild steel channel sections secured to the opening structure by continuous mild steel fixing angles.

Roller Assembly: The barrel is manufacture from 76mm Diameter tube with 4mm wall, this give support to the curtain fabric and bottom rail.

Endplates: The curtain assembly is supported by mild steel endplates with mounting angles for fixing to the support structure
.
Finish as delivered: Powder coated finish to guides and bottom rail.
Consult with Northern Doors (UK) Ltd for availability of alternative finishes.

Operation:
240 volt Electric operation

Ironmongery: Consult with Northern Doors (UK) Ltd for recommendations and details.

Other requirements:
Automatic Closing:
Fusible Link