Trox Technik EK-JZ User manual

EK-JZ
BVDAX FOR SMOKE
EXTRACT IN
COMBINATION WITH A
FREQUENCY INVERTER
BVDAX for smoke extraction
operation with frequency
inverter, CE-certified according
to EN12101-1 Temperature
category F400
WITH TROXNETCOM AS
AN OPTION
With TROXNETCOM as an
option
FOR MECHANICAL SMOKE
EXTRACT SYSTEMS AND
PRESSURISATION
SYSTEMS
For mechanical smoke extract
systems and pressurisation
systems
MAXIMUM PERFORMANCE
WITH MAXIMUM SIZE B =
1.20 M, H = 2.03 M
Maximum size, maximum
performance
B = 1.20 m, H = 2.03 m
TYPE EK-JZ
FOR USE IN MECHANICAL SMOKE EXTRACT SYSTEMS,
PRESSURISATION SYSTEMS, AND NATURAL SMOKE
AND HEAT EXHAUST SYSTEMS, ALSO FOR USE AS AN
ADDITIONAL SUPPLY AIR INLET
Rectangular smoke control dampers with ventilation function, low installation
depth and large cross section for heat and smoke exhaust with mechanical
smoke extract systems, for the provision of additional supply air and for use in
pressurisation systems
Nominal sizes 200 × 430 – 1200 × 2030 mm, for smoke gas flow rates up to
87700 m³/h or 24360 l/s at 10 m/s
Quick and easy installation in or on building structures, for smoke and heat
exhaust, remote control with an actuator
Casing, damper blades and actuator encasing made of temperature-
resistant calcium silicate
Fulfils pressure level 2 (operating pressure -1000 to 500 Pa)
Automatic release (AA), option of manual override (MA)
For smoke extract ducts from 35 mm wall thickness
C = for the smoke extract and ventilation function in combined systems
and thus pneumatic volume flow rate balancing via the selection of
intermediate positions
Closed blade air leakage to EN 1751, class 3
Casing air leakage to EN 1751, class C
Optional equipment and accessories
Cover grille (various constructions)
Connecting subframe for calcium silicate and sheet steel smoke extract
ducts
Integration into the central BMS with TROXNETCOM
Coating for use in exterior walls
Modulation control for selection of desired damper blade positions
Installation accessories
mod
 Configure now
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
Application
Smoke control damper of Type EK-JZ, with CE marking and declaration of performance, for heat and smoke exhaust with mechanical smoke extract systems
Can be used for the provision of fresh air (additional supply air) to mechanical smoke extract systems
Can be used in pressurisation systems
Can be used for ventilation if the mechanical smoke extract system has been certified (general building inspectorate licence) for use with combined systems
Integration into the central BMS with TROXNETCOM
Special characteristics
C for the smoke extract and ventilation function in combined systems and thus pneumatic volume flow rate balancing via the selection of intermediate positions
Complies with the requirements of EN 12101-8
Tested to EN 1366-2 and 1366-10 for fire resistance properties
Closed blade air leakage to EN 1751, class 3, and casing air leakage to EN 1751, class C
Low sound power level and differential pressure
Any airflow direction
Manual release is also possible using TROXNETCOM
Integration into the central BMS with standard bus systems
Long-time testing to EN 1366-10, with 20000 OPEN/CLOSE cycles
Classification
• EI 120/90 (v i↔o) S1000 Cmod HOT400/30 MA multi
MINIMUM LEAKAGE WITH
BOTH HIGH AND LOW
TEMPERATURES DUE TO
TWO-LEVEL SEALING
SYSTEM
Minimum leakage with both high
and low temperatures due to
two-level sealing system
mod
edw

Nominal sizes
200 × 430 – 1200 × 2030 mm
Casing lengths L = 250 mm
Parts and characteristics
Airflow direction is not critical
Fulfils pressure level 2 (operating pressure -1000 to 500 Pa)
For automatic and manual release
Smoke control damper with ventilation function
Attachments 1
Connecting subframe for calcium silicate and sheet steel smoke extract ducts
Cover grille – crimped wire mesh or square perforated metal plate
Cover grille – grille with straight or slanted blades
Attachments 2
Open/Close actuators with 24 V AC/DC or 230 V AC supply voltage
Network modules for the integration with AS-i networks
Network modules for other standard bus systems
Optional products
TROXNETCOM
X-FANS control unit extract air and smoke extract control
TROX-X smoke exhaust fans from the X-FANS subassembly
Smoke exhaust fan for roof installation BVDAX/ BVD
Smoke exhaust fan for wall installation BVW/ BVWAXN
Smoke exhaust centrifugal fan BVREH /BVRA
Smoke extract jet fans BVGAX/BVGAXN
All smoke exhaust fans are tested to EN 12101-3, for F200/F300/F400 and F600, depending on the type. With CE marking, declaration of performance and application
approval for the German market.
Speed adjustment on smoke exhaust fans
Certified frequency inverter unit X-FANS control
Safe and precise speed adjustment of smoke exhaust fans both in one-zone and in multi-zone systems.
Construction features
Rectangular construction
Smoke control damper actuator controlled by reversible open/close actuator
Remote control with actuator
Suitable for the connection of cover grilles or connecting subframes
Materials and surfaces
Casing, damper blade and actuator encasing made of calcium silicate


Brass bearings
Blade shafts, drive arm and shaft bearing made of galvanised steel
Standards and guidelines
Construction Products Regulation
EN 12101-8 Smoke and heat control systems – Smoke control dampers
EN 1366-10 Fire resistance tests for service installations – Smoke control dampers
EN 1366-2 Fire resistance tests for service installations – Fire dampers
EN 13501-4 Fire classification of construction products and building elements using data from fire resistance tests
EN 1751 Ventilation for buildings – Air terminal devices
Maintenance
Smoke control dampers must be operational at all times and must be maintained regularly so that they provide the required services.
Maintenance is required at least every 6 months
A maintenance report must be created; documents must be kept for reference
The functional reliability of the smoke control damper must be tested at least every six months; this has to be arranged by the owner of the smoke extract system;
functional tests must be carried out in compliance with the basic maintenance principles stated in EN 13306 and DIN 31051. If two consecutive tests, one 6 months
after the other, are successful, the next test can be conducted one year later.
Depending on where dampers are installed, country-specific regulations may apply.
For details on maintenance and inspection refer to the installation and operating manual
Description
Nominal sizes
200 × 430 – 1200 × 2030 mm
Casing lengths L = 250 mm
Attachments 1
Connecting subframe for calcium silicate and sheet steel smoke extract ducts
Cover grille – crimped wire mesh or square perforated metal plate
Cover grille – grille with straight or slanted blades
Attachments 2
Open/Close actuators with 24 V AC/DC or 230 V AC supply voltage
Network modules for the integration with AS-i networks
Network modules for other standard bus systems

TECHNICAL INFORMATION

Function, Technical data, Quick sizing, Specification text, Order code
Smoke control dampers are used in mechanical smoke extract systems.
They are used for extracting smoke gases and for providing additional supply air to one or more fire compartments.
The dampers are made of calcium silicate panels and are opened by an encased actuator; when smoke is detected, the actuator is triggered by a signal
either from a duct smoke detector or from a fire alarm system.
Smoke control dampers have two safe positions: open and closed.
In the case of fire-resistant smoke control dampers for multiple compartments, the safe position is either 'open' or 'closed', depending on the fire site and the
path of the smoke to be extracted.
If the safe position is 'open', the free area must be maintained even in the event of a fire.
The blades of EK-JZ move to the defined safe position upon receiving an automatically or manually triggered control signal. According to the specified time-
temperature curve, an EK-JZ can still fully open or close after 25 minutes (MA, manual release).
Similarly, position changes for modulation applications (C ) and thus pneumatic volume flow rate balancing via the section of intermediate positions of
the damper blade section are possible with the product type EK-JZ.
Regular maintenance of the smoke control damper is required to ensure its functional reliability.
Schematic illustration
① Casing
② Blades
③ Blade tip seal (special profile seal)
④ Side seal
⑤ Travel stop, bottom
⑥ Rating plate
⑦ Actuator
⑧ Cover fixing
⑨ Linkage
⑩ Actuator encasing
 Cover of the actuator encasing (sectional view)
 Handle (to remove the cover)
 Travel stop, top
mod
Nominal sizes W × H 200 × 430 mm – 1200 × 2030 mm
Casing length 250 mm
Volume flow rate range Up to 24361 l/s or 87700 m³/h
Differential pressure range Pressure level 2: -1000 – 500 Pa
Operating temperature -30 to 50 °C; the temperature should not fall below the dew point
Upstream velocity* ≤ 10 m/s with the largest size, > 10 – 15 m/s with smaller sizes; 87700 m³/h max.

* Data applies to uniform upstream and downstream conditions for the smoke control damper
No. of blades, cross section and sound reduction index, height 430, 630 mm
B H n ① ② ③
200 430 2 0,06 0,09 37
250 430 2 0,08 0,11 36
300 430 2 0,09 0,13 36
350 430 2 0,11 0,15 35
400 430 2 0,12 0,17 34
450 430 2 0,14 0,19 34
500 430 2 0,15 0,22 33
550 430 2 0,17 0,24 33
600 430 2 0,18 0,26 33
650 430 2 0,2 0,28 32
700 430 2 0,22 0,30 32
750 430 2 0,23 0,32 32
800 430 2 0,25 0,34 31
850 430 2 0,26 0,37 31
900 430 2 0,28 0,39 31
950 430 2 0,29 0,41 31
1000 430 2 0,31 0,43 30
1050 430 2 0,32 0,45 30
1100 430 2 0,34 0,47 30
1150 430 2 0,35 0,49 30
1200 430 2 0,37 0,52 30
200 630 3 0,09 0,13 36
250 630 3 0,12 0,16 35
300 630 3 0,14 0,19 34
350 630 3 0,16 0,22 33
400 630 3 0,19 0,25 33
450 630 3 0,21 0,28 32
500 630 3 0,23 0,32 32
550 630 3 0,26 0,35 31
600 630 3 0,28 0,38 31
650 630 3 0,3 0,41 31
700 630 3 0,33 0,44 30
750 630 3 0,35 0,47 30
800 630 3 0,37 0,50 30
850 630 3 0,4 0,54 29
900 630 3 0,42 0,57 29
950 630 3 0,44 0,60 29
1000 630 3 0,47 0,63 29
1050 630 3 0,49 0,66 28
1100 630 3 0,51 0,69 28
1150 630 3 0,54 0,72 28
1200 630 3 0,56 0,76 28
Number of blades: n
① Cross section A [m ]
② Cross section A [m ]
③ Sound reduction index R [dB]
No. of blades, cross section and sound reduction index, height 830, 1030 mm
Free 2
geo 2
w

B H n ① ② ③
200 830 4 0,13 0,17 35
250 830 4 0,16 0,21 34
300 830 4 0,19 0,25 33
350 830 4 0,22 0,29 32
400 830 4 0,25 0,33 31
450 830 4 0,28 0,37 31
500 830 4 0,31 0,42 31
550 830 4 0,35 0,46 30
600 830 4 0,38 0,5 30
650 830 4 0,41 0,54 29
700 830 4 0,44 0,58 29
750 830 4 0,47 0,62 29
800 830 4 0,5 0,66 28
850 830 4 0,53 0,71 28
900 830 4 0,57 0,75 28
950 830 4 0,06 0,79 28
1000 830 4 0,63 0,83 27
1050 830 4 0,66 0,87 27
1100 830 4 0,69 0,91 27
1150 830 4 0,72 0,95 27
1200 830 4 0,75 1 27
200 1030 5 0,16 0,21 34
250 1030 5 0,2 0,26 33
300 1030 5 0,24 0,31 32
350 1030 5 0,28 0,36 31
400 1030 5 0,32 0,41 31
450 1030 5 0,35 0,46 30
500 1030 5 0,39 0,52 30
550 1030 5 0,43 0,57 29
600 1030 5 0,47 0,62 29
650 1030 5 0,51 0,67 28
700 1030 5 0,55 0,72 28
750 1030 5 0,59 0,77 28
800 1030 5 0,63 0,82 28
850 1030 5 0,67 0,88 27
900 1030 5 0,71 0,93 27
950 1030 5 0,75 0,98 27
1000 1030 5 0,79 1,03 27
1050 1030 5 0,83 1,08 26
1100 1030 5 0,87 1,13 26
1150 1030 5 0,91 1,18 26
1200 1030 5 0,95 1,24 26
B H n ① ② ③
Number of blades: n
① Cross section A [m ]
② Cross section A [m ]
③ Sound reduction index R [dB]
No. of blades, cross section and sound reduction index, height 1230, 1430 mm
Free 2
geo 2
w

B H n ① ② ③
200 1230 6 0,19 0,25 33
250 1230 6 0,24 0,31 32
300 1230 6 0,28 0,37 31
350 1230 6 0,33 0,43 30
400 1230 6 0,38 0,49 30
450 1230 6 0,43 0,55 29
500 1230 6 0,47 0,62 29
550 1230 6 0,52 0,68 28
600 1230 6 0,57 0,74 28
650 1230 6 0,62 0,80 28
700 1230 6 0,66 0,86 27
750 1230 6 0,71 0,92 27
800 1230 6 0,76 0,98 27
850 1230 6 0,81 1,05 26
900 1230 6 0,85 1,11 26
950 1230 6 0,90 1,17 26
1000 1230 6 0,95 1,23 26
1050 1230 6 1,00 1,29 26
1100 1230 6 1,04 1,35 25
1150 1230 6 1,09 1,41 25
1200 1230 6 1,14 1,48 25
200 1430 7 0,22 0,29 32
250 1430 7 0,28 0,36 31
300 1430 7 0,33 0,43 30
350 1430 7 0,39 0,50 30
400 1430 7 0,44 0,57 29
450 1430 7 0,50 0,64 29
500 1430 7 0,55 0,72 28
550 1430 7 0,61 0,79 28
600 1430 7 0,66 0,86 27
650 1430 7 0,72 0,93 27
700 1430 7 0,78 1,00 27
750 1430 7 0,83 1,07 26
800 1430 7 0,89 1,14 26
850 1430 7 0,94 1,22 26
900 1430 7 1,00 1,29 26
950 1430 7 1,05 1,36 25
1000 1430 7 1,11 1,43 25
1050 1430 7 1,16 1,50 25
1100 1430 7 1,22 1,57 25
1150 1430 7 1,27 1,64 25
1200 1430 7 1,33 1,72 24
B H n ① ② ③
Number of blades: n
① Cross section A [m ]
② Cross section A [m ]
③ Sound reduction index R [dB]
No. of blades, cross section and sound reduction index, height 1630, 1830 mm
Free 2
geo 2
w

B H n ① ② ③
200 1630 8 0,25 0,33 32
250 1630 8 0,32 0,41 31
300 1630 8 0,38 0,49 30
350 1630 8 0,44 0,57 29
400 1630 8 0,51 0,65 29
450 1630 8 0,57 0,73 28
500 1630 8 0,63 0,82 28
550 1630 8 0,70 0,90 27
600 1630 8 0,76 0,98 27
650 1630 8 0,82 1,06 26
700 1630 8 0,89 1,14 26
750 1630 8 0,95 1,22 26
800 1630 8 1,01 1,30 26
850 1630 8 1,08 1,39 25
900 1630 8 1,14 1,47 25
950 1630 8 1,20 1,55 25
1000 1630 8 1,27 1,63 25
1050 1630 8 1,33 1,71 24
1100 1630 8 1,39 1,79 24
1150 1630 8 1,46 1,87 24
1200 1630 8 1,52 1,96 24
200 1830 9 0,29 0,37 31
250 1830 9 0,36 0,46 30
300 1830 9 0,43 0,55 29
350 1830 9 0,50 0,64 29
400 1830 9 0,57 0,73 28
450 1830 9 0,64 0,82 28
500 1830 9 0,71 0,92 27
550 1830 9 0,79 1,01 27
600 1830 9 0,86 1,10 26
650 1830 9 0,93 1,19 26
700 1830 9 1,00 1,28 26
750 1830 9 1,07 1,37 25
800 1830 9 1,14 1,46 25
850 1830 9 1,21 1,56 25
900 1830 9 1,29 1,65 25
950 1830 9 1,36 1,74 24
1000 1830 9 1,43 1,83 24
1050 1830 9 1,05 1,92 24
1100 1830 9 1,57 2,01 24
1150 1830 9 1,64 2,10 23
1200 1830 9 1,71 2,20 23
B H n ① ② ③
Number of blades: n
① Cross section A [m ]
② Cross section A [m ]
③ Sound reduction index R [dB]
No. of blades, cross section and sound reduction index, height 2030 mm
Free 2
geo 2
w

B H n ① ② ③
200 2030 10 0,32 0,41 31
250 2030 10 0,4 0,51 30
300 2030 10 0,48 0,61 29
350 2030 10 0,56 0,71 28
400 2030 10 0,64 0,81 28
450 2030 10 0,71 0,91 27
500 2030 10 0,79 1,02 27
550 2030 10 0,87 1,12 26
600 2030 10 0,95 1,22 26
650 2030 10 1,03 1,32 25
700 2030 10 1,11 1,42 25
750 2030 10 1,19 1,52 25
800 2030 10 1,27 1,62 25
850 2030 10 1,35 1,73 24
900 2030 10 1,43 1,83 24
950 2030 10 1,51 1,93 24
1000 2030 10 1,59 2,03 24
1050 2030 10 1,67 2,13 23
1100 2030 10 1,75 2,23 23
1150 2030 10 1,83 2,33 23
1200 2030 10 1,91 2,44 23
B H n ① ② ③
Number of blades: n
① Cross section A [m ]
② Cross section A [m ]
③ Sound reduction index R [dB]
Free 2
geo 2
w
Quick sizing tables provide a good overview of the volume flow rates for different airflow velocities as well as of differential pressures
The differential pressures shown apply to smoke control dampers without a cover grille, installation type C
Differential pressures for smoke control dampers with a cover grille or for other installation types can be calculated with a correction factor
Precise values based on project-specific data can be determined with our Easy Product Finder design software
You will find the Easy Product Finder on our website

Specification text
Rectangular or square smoke control dampers to product standard EN 12101-8, tested to EN 1366-10 and EN 1366-2, for use in smoke extract systems. Smoke
control dampers are not only used for the exhaust of smoke, heat and combustion products, but also for the controlled removal of dangerous and toxic fire
suppression gases.
EK-JZ smoke control dampers can also be used in pressurisation systems and as pressure relief dampers in gas fire extinguishing systems. Also for extracting
smoke gases and for providing additional supply air for the natural or mechanical smoke extract to one or more fire compartments and in all listed systems of the
same type that need to fulfil modulation applications.
EK-JZ can be used in combined smoke exhaust systems which have been approved for controlled ventilation. The fire-resistant smoke control damper for multiple
compartments is suitable for installation in and on fire-resistant smoke extract ducts or smoke extract shafts and in fire-resistant standard supporting constructions. It
is controlled with open/close actuators that can be combined with control modules that are factory wired and fitted inside the temperature-resistant actuator
encasing.
Classification
EI 120/90 (vedw i↔o) S1000 Cmod HOT400/30 MA multi
Special characteristics
▪Cmod for the smoke extract and ventilation function incombined systems and thus pneumatic volume flow ratebalancing via the selection of intermediate positions
▪Complies with the requirements of EN 12101-8▪Tested to EN 1366-2 and 1366-10 for fire resistanceproperties
▪Closed blade air leakage to EN 1751, class 3, and casing airleakage to EN 1751, class C
▪Low sound power level and differential pressure
▪Any airflow direction
▪Manual release is also possible using TROXNETCOM
▪Integration into the central BMS with standard bus systems
▪Long-time testing to EN 1366-10, with 20000 OPEN/CLOSEcycles
Materials and surfaces
▪Casing, damper blade and actuator encasing made ofcalcium silicate
▪Brass bearings
▪Blade shafts, drive arm and shaft bearing made of galvanisedstee
Technical data
▪Nominal sizes B × H: 200 × 430 mm – 1200 × 2030 mm
▪Casing length: 250 mm
▪Volume flow rate range: up to 24361 l/s or up to 87700 m³/h
▪Differential pressure range: pressure level 2: -1000 to 500 Pa
▪Operating temperature: -30 °C to 50 °C; the temperatureshould not fall below the dew point
▪Upstream velocity*: ≤ 10 m/s with the largest dimensions,> 10 – 15 m/s with smaller dimensions; 87700 m³/h max.* Data applies to uniform upstream and
downstream conditionsfor the smoke control damper
Attachments
Connecting subframe and cover grille for the operating side and/or installation side.
▪Connecting subframe for calcium silicate and sheet steelsmoke extract ducts
▪Cover grille – crimped wire mesh or square perforated metalplate
▪Cover grille – external weather louvre or ventilation grille
Open/Close actuators for the control of smoke control dampers,with automatic (AA) or manual release (MA).Optional control or communication module for
integration withthe central BMS.
▪Supply voltage 24 V AC/DC or 230 V AC
▪Limit switches for capturing the end positions OPEN andCLOSED
▪Override control for up to 25 minutes
▪Module for the control of smoke control dampers (optional)
▪Indicator lights for indicating the damper blade position
▪Monitoring of signal receptio
Sizing data
qᵥ _______________________ [m³ /h]
Δp _______________________ [Pa]
Air-regenerated noise
L _______________________ [dB(A)]
st
PA

EK-JZ – R – C1 / DE / 1200 × 2030 / EGS / A0 / B24A
| | | | | | | |
1 2 3 4 5 6 7 8
1 Type
EK-JZ Smoke control damper
2 Actuator encasing as seen from the operating side
R = On the right (as standard)
L = Left
3 coating
No entry = none
C1 = Promat SR impregnation
4 Country of destination
DE Germany
Other destination countries upon request
5 Nominal size [mm]
B × H
6 Accessories 1
EG = fibre paper bottom (standard)
EGS = bottom and side
MA = fixing tab
EGSMA = possible
(E = Ètanchêité)
(S = site)
(G = ground)
7 Attachments 1
No entry: none
F0, 0F, FF Connecting subframe, galvanised steel Cover grilles
A0, 0A, AA Crimped wire mesh, 20 × 20, galvanised steel
B0, 0B, BB Square perforated metal plate, 10 × 10, galvanised steel
C0, 0C, CC Grille with slanted blades made of aluminium
D0, 0D, DD Grille with slanted blades, aluminium, additionally with crimped wire mesh, 20 × 20, galvanised steel
E0, 0E, EE Grille with slanted blades, aluminium, additionally with welded wire mesh, 6 × 6 mm, galvanised steelSign 1 defines operator side,Sign 2 defines
installation side,Example: FA: Connecting subframe on the operating side, crimped wire mesh on the installation sideAny combination is possible
8 Attachments 2
Belimo actuators
B24 BE 24-12; BLE 24-12, 24 V AC/DC
B230 BE 230-12; BLE 230-12, 230 V AC
Combinations of actuator and control module
B24A BE 24-12 / BLE 24-12, with AS-EM/EK, 30 V DC (AS-i)
B24AS BE24-12 / BLE 24-12, with AS-EM/SIL2, 30 V DC (AS-i)
B24BKNE BE 24-12 / BLE 24-12, with BKNE230-24
B24C BE 24-12 / BLE24-12, with BC24
B24D BE 24-12 / BLE 24-12, with BRM-10-F-ST
B230D BE 230-12 / BLE 230-12, with BRM-10-F
B24AM BE24-12 / BLE24-12, with AS-EM/M, 30V DC (AS-i), for function C
Order example: EK-JZ-R-C1/DE/800×1030/ES/A0/B24A
Actuator encasing Operating side, on the right
Coating Impregnation
Country of destination Germany
Nominal size 800 × 1030
Accessories 1 Fibre paper, fixing tab
Attachment 1 Cover grille on the operating side
Attachment 2 24 V AC/DC with TROXNETCOM control module AS-EM/EK
mod
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Home Contact Imprint Delivery and payment terms Privacy Disclaimer 20.12.2020 © TROX
Austria GmbH

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DIMENSIONS, PRODUCT DETAILS
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L H B
200 250 300 350 400 450 500 550 600 650
250 430 29 31 32 33 35 36 38 39 41 42
250 630 37 39 41 43 44 46 48 50 51 53
250 830 46 48 50 53 54 56 58 61 62 64
250 1030 54 56 59 61 63 66 68 70 73 75
250 1230 62 65 67 70 73 75 78 81 83 86
250 1430 71 73 76 79 82 85 88 91 94 97
250 1630 79 82 85 88 92 95 98 101 105 108
250 1830 87 91 94 98 101 105 108 112 115 119
250 2030 95 99 103 107 111 114 118 122 126 130
Installation and commissioning
Installation on/in concrete or masonry shaft walls
Installation in lightweight partition walls
Installation in shaft walls that are covered on one side
Installation in or on tested, fire-resistant vertical or horizontal smoke extract ducts
Installation in fire-resistant REI 90 or EI 90 walls
For smoke extract ducts made of calcium silicate from 35 mm wall thickness
For sheet steel smoke extract ducts
After installation the damper must remain accessible for inspection, cleaning and repair
Connected smoke extract ducts must have an inspection access
Mechanical smoke extract systems require that the power supply is maintained even in the event of a fire
Smoke control dampers must be installed, connected and attached according to the operating and installation manual
Homepage
>Products >Fire and Smoke Protection >Smoke Control Damper >Type EK-JZ
Home Contact Imprint Delivery and payment terms Privacy Disclaimer 20.12.2020 © TROX
Austria GmbH