Version 6.00
Date of editing: 16.09.2022
r.
Page 4 of 30
Technical documentation
KWP-L
Table 1. Table of fire resistance
Construction
type
Minimum
thickness of the
Building
partition mm
Fire resistance
class
Sealing type
Ceiling
≥140 mm
EI 120 (h
o
i
↔
o) S
MORTAR
Rigid wall
≥100 mm
EI 120 (v
e
i
↔
o) S
MORTAR
≥100 mm
EI 90 (v
e
i
↔
o) S
MORTAR
≥75 mm
EI 60 (v
e
i
↔
o) S
MORTAR
≥75 mm
EI 30 (v
e
i
↔
o) S
MORTAR
Standard wall
≥125 mm
EI 120 (v
e
i
↔
o) S
MINERAL WOOL
≥100 mm
EI 90 (v
e
i
↔
o) S
MINERAL WOOL
≥75 mm
EI 60 (v
e
i
↔
o) S
MINERAL WOOL
≥75 mm
EI 30 (v
e
i
↔
o) S
MINERAL WOOL
Montage away
from wall
construction
(silicate
boards)
≥120 mm
EI 120 (v
e
i
↔
o) S
MINERAL WOOL
where:
E
–
fire integrity,
I
–
fire insulation,
S
–
smoke leakage,
120/90/60/30
–
duration of fulfilment of E, I and S criteria, expressed in minutes,
ve
–
damper installed directly in a wall,
ho
–
damper mounted directly in a floor,
i
↔
o
–
operating effectiveness criteria are met from inside to outside (fire inside), and from outside to inside
(fire outside).
The KWP-L fire dampers may also be installed in buildings partitions with a lower fire resistance rating. In this case,
the damper fire resistance rating is equal to the partition fire resistance rating, subject to the smoke leakage criterion.
The KWP-L fire dampers may be installed in vertical building partitions
with either horizontal or vertical rotation
axis
, with any actuator position.
The KWP-L fire dampers may also be installed in either inner or outer buildings partitions, as also at a distance from
them. In case of external wall installation, use of finishing element is required (intake or exhaust), which will protect
from influence of atmospheric factors. Drive system (actuator or spring mechanism) should be installed inside facility.
It is recommended to use dampers in special implementation (impregnated fireproof boards, anti-corrosive steel
elements).
Содержание KWP-L
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