INSTRUCTIONS FOR INSTALLATION AND MAINTENANCE
CE-marked ESAD
Smoke Control Duct System
FläktGroup DC_9422GB 620230530_R3 Specifications are subject to alteration without notice.
2
ESAD Smoke Control Duct System - Installation and Maintenance
GENERAL GUIDELINES FOR SMOKE CONTROL DUCT INSTALLATION
SMOKE CONTROL DUCT ESAD
ESAD is a CE-marked smoke control duct system for single compart-
ment applications. The ESAD duct is fire tested together with fixtures
and fittings. Smoke control ducts and fittings meet classification
E 120 S and pressure class 1500 Pa.
• For single compartment applications
• Sizes 010-100 cm
• Fire class E 120 S
• Easy installation
• To be used together with fire tested VELODUCT fittings
TIGHTNESS OF THE DUCT WORK
Tightness of smoke control ductwork is very important. Please follow
this installation instructions to fulfills the requirements of your desired
fire class.
Please note, that each joint has to be sealed additionally with alumi-
num/duct tape, which guarantees tightness in high temperatures (600
°C). Veloduct sealing system together with aluminum/duct tape seals
all joints for both normal ambient temperature conditions and fire situ-
ations.
DUCT HANGERS
ESAD smoke control drop rods are fire tested. Instructions for distance
between drop rods and ductwork must be adhered to.
FLEXIBLE JOINT EFLE
Ductwork will expand in higher temperatures. Flexible EFLE joints
should be used to stop these movements. The Product Code is EFLE-
aaa-1 with sizes 010-100 cm available.
VELODUCT DUCT FITTINGS AND OTHER COMPONENTS
Please note, that it is only allowed to use duct fittings and components
(IRIS dampers) which are fire tested and CE-marked according to prod-
uct standard EN 12101-7.
CE-MARKING IS MANDATORY FOR SMOKE CONTROL
PRODUCTS
Smoke control ducts, fittings and other duct components which are
used for smoke exhaust purposes, are in scope of the harmonised
product standard EN 12101-7 and have to be CE-marked. Please check
before starting installation work, that all components are CE-marked.
Veloduct fittings and components, CE product label
ESAD smoke control duct, CE product label
The markings prove to the building owner that they meet product stand-
ards for smoke control purposes for single compartment applications.
FläktGroup DC_9422GB 620230530_R3 Specifications are subject to alteration without notice.
3
ESAD Smoke Control Duct System - Installation and Maintenance
INSTALLATION
1. Select a suitable section of ducting and check that the duct can be
installed in accordance with the drawing below, before collecting the
necessary components from the storage area.
2. Collect the necessary fittings and ducts. Check that all parts are CE-
marked and they are not damaged in anyway that may cause air leak-
ages once installed.
3. Cut the ducts in straight lines to the desired length. Make sure you
deburr the duct ends thoroughly, using a deburring tool.
Locate the screws/pop rivets at a distance from the duct end, so the
rubber seal will not be damaged or peirced. Check the maximum dis-
tance for K from table 2 below.
5. Finally tape all joints carefully with aluminium/duct tape, which has
thickness at the minimum 30 μm and the width at the minimum of 50
mm. Lock the end of aluminium taping with screws or pop rivets.
Table 2.
Li
K
Table 1.
4. Assemble suitable sections on the floor. To connect one part into an-
other, turn part while pushing it in and then lock the joints.
All joints must be secured by means of pressure proof steel pop riv-
ets or screws (min Ø 4,2 mm). The number of screws / pop rivets are
specified in table 1.
6. Drop rods should not exceed the maximum distances according to
table 3. Drop rod strength class should be 8.8 and diameter according
to table 3.
Specified dimensions of duct clamp fasteners have to be used for sus-
pending the duct sections. Duct clamp fasteners have to be made from
galvanised steel, minimum thickness of
1,5 mm and a width of 25 mm. Example
type ‘BDSK’ or ‘Müpro’ duct clamp fas-
tener with or without vibration control.
See picture below.
Table 3.
Suspending solution for the ESAD duct sections is based on results of
official fire tests according to product standard EN 12101-7 for single
compartment applications.
Fire class for ESAD and fittings and other components is E 120 S. Fire
test temperature is 600 °C.
Duct clamp fasteners with drop rods should be placed always close to
joints, if possible.
Duct size
(cm)
Max distance
between hangers
L (m)
Threated rod
(mm)
010 28
012 2 8
016 2 8
020 2 8
025 2 8
031 2 8
040 210
050 210
063 210
080 210
100 210
Duct size (cm) Li (mm) Kmax (mm)
010...020 35 12
025...031 40 15
040...063 60 30
080...100 100 40
Duct size (cm) Number of screws / pop rivets
010...016 3
020...031 5
040...063 10
080...100 16
FläktGroup DC_9422GB 620230530_R3 Specifications are subject to alteration without notice.
4
ESAD Smoke Control Duct System - Installation and Maintenance
INSTALLATION (CONT.)
8. Note the use of flexible connection pieces (EFLE) where vertical and
horizontal ducts meet. The EFLE is fastened so that the collars are ap-
prox. 10 mm from the edges and the ends of the ducts inside the con-
nection piece are approx. 70 mm apart. The maximum installation dis-
tance for flexible connection pieces is 10 m.
9. Whenever the installation work is temporarily stopped, all open duct
ends must be sealed against the ingress of dust. The ductwork must
not be used for any temporary purposes during construction, or it must
be cleaned before it is put into actual use. The inside of the ductwork
must be checked for impurities when the installation work is finished,
and any impurities must be removed.
7. Vertical ducts must be supported on both sides by supports made of
galvanised L or U profile 2x30x30 (height 800 mm). The support spac-
ing must not exceed 2.5 m. The supports must be secured at angles
and to the wall using M8 bolts, and to the duct, using a minimum of six
4.8mm screws.
max 2500800
max 5000
2
1
1
1
2
800
s + d/2
d
s
1 Flexible
connection
piece EFLE
2 Support,
L or U profile
2x30x30
Flexible
connection
piece EFLE
Support, L or U profile
2x30x30 (on both sides
of the duct)
Six
screws,
min.
4.8 mm
FläktGroup DC_9422GB 620230530_R3 Specifications are subject to alteration without notice.
5
ESAD Smoke Control Duct System - Installation and Maintenance
DIMENSIONS, INSPECTION AND MAINTENANCE
Example of inspection record.
INSPECTION AND MAINTENANCE
After installation, when the system is running, it is recommended ac-
cording to product standard EN 12101-7 that the following inspection
procedure is carried out and recorded. These inspections should be un-
dertaken at least once a year. See example of inspection record below.
Ducts, clamp fasteners, drop rods and fittings are constructed of galva-
nised steel material for longer operating life.
Inspections of sealings have to be made at least once per year. Special
notice should be taken to inspect the condition of aluminium/duct tap-
ing, which guarantees the tightness in higher temperatures. If any fail-
ure is detected, maintenance work has to be done immediately.
Duct section reference
Date of inspection
Check ducting for damage
Check connections between duct sections and ancillary components
Check penetration seals at compartment boundaries
Check duct cleanliness and clean where necessary
Check the condition of seals, rectify and report where necessary
Confirm that the duct fulfils its function as part of the smoke control sys-
tem
NOTE: A smoke control duct section is inherently part of a smoke control
system. As this is the case the whole system should be checked as go-
verned by the operation and maintenance requirements for the system.
bbb
t
a
DIMENSIONS AND WEIGHTS
ESAD-a-bbb-1
Length (a)
3 = 3,00 m
bbb t
(mm)
Weight
(kg/m)
-010 0.7 2.0
-012 0.7 2.5
-016 0.7 3.2
-020 0.7 4.0
-025 0.7 5.0
-031 0.7 6.3
-040 0.7 7.9
-050 0.7 10.0
-063 0.7 12.2
-080 0.7 15.5
-100 0.9 25.5
WWW.FLAKTGROUP.COM ESAD 9422
»
Learn more on www.flaktgroup.com
or contact one of our oices
FG_DC_9422GB_ESAD_IN-MA_620230530_R3 © Copyright 2023 FläktGroup
FläktGroup is the European market leader for smart and energy eicient Indoor Air
and Critical Air solutions to support every application area. We oer our customers
innovative technologies, high quality and outstanding performance supported by
more than a century of accumulated industry experience. The widest product range
in the market, and strong market presence in 65 countries worldwide, guarantee
that we are always by your side, ready to deliver Excellence in Solutions.
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