Version 6.00
Date of editing: 16.09.2022
r.
Page 3 of 30
Technical documentation
KWP-L
1.
INTRODUCTION
The purpose of technical documentation is to familiarize the user with the intended use, design, operation principle,
installation, periodic maintenance and operation of product.
2.
LEGAL REGULATIONS
Fire dampers KWP-L have
Certificate of Constancy of Performance No. 1438-CPR-0509
, issued by Scientific and
Research Centre for Fire Protection
–
National Research Institute.
The KWP-L fire dampers are designed for application in general ventilation systems as cut-off partitions separating the
fire-engulfed zone from the remaining part of the building (normally open). The purpose of these dampers is to
prevent the spread of fire, heat and smoke.
The dampers are designed, manufactured and tested in accordance with the following standards:
PN-EN 15650
“Ventilation for buildings –
Fire dampers” and
PN-EN 13501-3
“Fire classification of construction products and
building elements
–
Part 3: Classification using data from fire resistance tests on products and elements used in
building service installations: fire resisting ducts and fire dampers.”
The effectiveness of the dampers is confirmed by tests according to
PN-EN 1366-2
“Fire resistance tests for service
installations
–
Part 2: Fire
dampers.”
The KWP-L fire damper is classified as tightness class C (housing tightness) on the basis of tests carried out according
to
PN-EN 1751
“Ventilation for buildings. Air terminal devices. Aerodynamic testing of dampers and valves.”
3.
INTENDED USE
The KWP-L fire dampers are classified in the following fire resistance classes and may be installed in the following
building partitions:
a.
EI 120 (ve ho i
↔
o) S
▪
ceilings
with density of 2,200 ± 200
[kg/m3] or higher, 140 [mm] in thickness or more, and a fire resistance
class EI120 or higher,
▪
rigid walls with low density (650 ± 200
[kg/m3]) or higher, 100 [mm] in thickness or more, and EI120 or a
higher fire resistance class (e.g. concrete walls, solid brick walls, cellular concrete block walls, hollow
masonry unit walls or concrete slab walls)
▪
flexible walls, 125 [mm] in thickness or more and EI 120 or a higher fire resistance class (thicker, higher
density, more board layers)
▪
rigid walls, 125 [mm] in thickness or more, and EI120 or a higher fire resistance class (e.g. concrete walls,
solid brick walls, cellular concrete block walls, masonry unit walls or concrete slab walls).
▪
away from rigid walls of low density (650 ± 200
[kg/m3]) or higher, 120 [mm] in thickness or more and
EI120 or a higher fire resistance class (e.g. concrete walls, solid brick walls, cellular concrete block walls,
hollow masonry unit walls or concrete slab walls).
b.
EI 90 (ve i
↔
o) S
▪
flexible walls, 100 mm in thickness or more and EI 90 or a higher fire resistance class (thicker, higher
density, more board layers)
▪
rigid walls, 100 mm in thickness or more, and EI90 or a higher fire resistance class (e.g. concrete walls, solid
brick walls, cellular concrete block walls, hollow masonry unit walls or concrete slab walls).
c.
EI 60 (ve i
↔
o) S
▪
flexible walls (gypsum plasterboard walls, 12.5 mm in thickness, steel profiles) 75 mm in thickness or more
and EI 60 or a higher fire resistance class (thicker, higher density, more board layers)
▪
rigid walls, 75 mm in thickness or more, and EI60 or a higher fire resistance class (e.g. concrete walls, solid
brick walls, cellular concrete block walls, hollow masonry unit walls or concrete slab walls).
d.
EI 30 (ve i
↔
o) S
▪
flexible walls, 75 mm in thickness or more and EI30 or a higher fire resistance class (thicker, higher density,
more board layers)
▪
rigid walls, 75 mm in thickness or more, and EI30 or a higher fire resistance class (e.g. concrete walls, solid
brick walls, cellular concrete block walls, hollow masonry unit walls or concrete slab walls).
Содержание KWP-L
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