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fire-resistant-roller-shutter

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fire-resistant roller shutter

Standards
complete assembly, identical in construction and installation with a specimen that has been submitted to the fire resistance test and has fulfilled all the relevant test requirements to achieve the nominated fire resistance level, typically comprising—
  1. (a) a curtain;
  2. (b) vertical guides between which the curtain can slide when being raised or lowered, together with associated fittings;
  3. (c) a horizontal barrel, mounted above the opening, on which the curtain is rolled when being raised or lowered, together with associated fittings;
  4. (d) a fusible link to provide for automatic operation; and
  5. (e) a governing device to control the speed of descent of the curtain immediately following actuation.
Source - AS 1905.2-2005: Components for the protection of openings in fire-resistant walls