ISO 5925-1:1981
(Main)Fire tests — Evaluation of performance of smoke control door assemblies — Part 1: Ambient temperature test
Fire tests — Evaluation of performance of smoke control door assemblies — Part 1: Ambient temperature test
Includes a method for assessing the performance of door and shutter assemblies intended to act as barriers to smoke in a fire. The severity of heat exposure conditions governs the smoke control performance of doors and this has led to the preparation of a series of test methods.
Essais au feu — Évaluation de performance des ensembles-portes pare-fumée — Partie 1: Essai à la température ambiante
Požarni preskusi – Ocenjevanje lastnosti dimnih vrat z opremo – Preskus pri sobni temperaturi
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International Standard
INTERNATIONAL ORGANIZATION FOR STANDARDIZATIONWlEX,4YHAPOC(HAR OPI-AHM3ALWlR fl0 CTAH,QAPTbl3ALWl.ORGANISATlON INTERNATIONALE DE hORMALISATION
Fire tests - Evaluation of Performance of smoke control
door assemblies -
Part 1 : Ambient temperature test
- Evaluation de Performance des ensembles-portes pare- fumke - Partie 7 : Essai 2 la tempkrature ambiante
Essais au feu
First edition - 1981-11-01
UDC 69.028.1 : 699.81 : 620.1 Ref. No. ISO5925/1-1981 (E)
Descriptors : construction materials, fire tests, fire-stop doors, results, specimens.
Price based on 6 pages
---------------------- Page: 1 ----------------------
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of
national Standards institutes (ISO member bedies). The work of developing Inter-
national Standards is carried out through ISO technical committees. Every member
body interested in a subject for which a technical committee has been set up has the
right to be represented on that committee. International organizations, governmental
and non-governmental, in liaison with ISO, also take part in the work.
Draft International Standards adopted by the technical committees are circulated to
the member bodies for approval before their acceptance as International Standards by
the ISO Council.
International Standard ISO 5925/1 was developed by Technical Committee
ISO/TC 92, Fire tests on building materials, components and structures, and was cir-
culated to the member bodies in February 1980.
lt has been approved by the member bodies of the following countries :
Romania
Australia I reland
Belgium Israel South Africa, Rep. of
Brazil Italy Spain
Sweden
Czechoslovakia Japan
Korea, Rep. of Switzerland
Denmark
Egypt, Arab Rep. of Netherlands United Kingdom
Finland New Zealand
Germany, F. R. Notway
The member bodies of the following countries expressed disapproval of the document
on technical grounds :
Austria
France
Hungary
USA
0 International Organkation for Standardkation, 1981
Printed in Switzerland
---------------------- Page: 2 ----------------------
INTERNATIONALSTANDARD ISO 5925/1-1981 (E)
- Evaluation of Performance of smoke control
Fire tests
door assemblies -
Part 1 : Ambient temperature test
0 lntroduction 3 Definitions
This method of test is one of a series for the assessment and For the purpose of this International Standard, the definitions
evaluation of Performance of door and shutter assemblies in-
given in ISO 1804 and ISO 3261, together with the following,
tended to act as barriers to smoke in a fire. The severity of the
aPPlY l
heat exposure conditions governs the smoke control petfor-
mance of doors and this has led to the preparation of a series of
3.1 door assembly; doorset : An assembly consisting of a
test methods. Further explanation and guidance on this and
other considerations will form the subject of ISO 5925/0. fixed part (the door frame), one or more movable Parts (the
door leaves), and their hardware, the function of which is to
Further tests in the series will rform the subjects of : allow or to prevent access.
ISO 592512, Fire tests - Evaluation of petiormance of smoke
3.2 smoke control door : A door assembly whose primary
con trol door assemblies - Part 2 : Medium temperature test.
function is to resist the passage of smoke.
ISO 5925/3, Fire tests - Evaluation of Performance of smoke
con trol door assemblies - Part 3 : tiigh temperature test.
3.3 ambient temperature : A temperature of 25 + 15 OC,
representative of that normally found in buildings.
1 Scope and field of application
This International Standard specifies a method of testing and
4 Principle
evaluating the performante of door assemblies and shutters,
intended to control the passage of smoke in ambient condi-
Determination of the rate of flow of air from the high to the Iow
tions.
pressure side of a door assembly.
2 References When smoke from a fire Starts to spread, a pressure differente
tan develop between the two sides of a door assembly.
ISO 1804, Doors - Terminology. Leakage of smoke tan occur through the clearance between
the door leaf and the frame and other openings. This test
ISO 3008, Fire resistance tests - Door and shutter assemblies.
simulates the conditions which may be experienced in practice
by doors during the very early stages of fire development, or by
ISO 3261, Fire tests - Vocabulary. doors remote from the seat of a fire.
1
---------------------- Page: 3 ----------------------
ISO 5925/1-1981 (El
5.3 Air flow measuring equipment
5 Apparatus
The test chamber shall be provided with instrumentation for
The basic test apparatus consists of the following :
measuring3) the rate of air leakage when the test door or shutter
a) an air leakage test chamber with one side open and a is in place. The air flow measuring equipment shall be capable
surround into which a door assembly tan be built; the sur- of measuring the rate of air leakage with an accuracy of
round shall be capable of being fixed and sealed against the
-1: 5 %. lt may be necessary to use more than one instrument
opening (see figure 1); to achieve the required accuracy.
a means of providing a differential air pressure across
b)
the specimen
6 Preparation of test specimens
a means of measuring the rate of flow of air by volume,
Cl
into or out of the apparatus;
6.1 Construction
means of measu ring the diff erences in pressure bet-
d) a
The test shall be performed on a complete door assembly as in-
ween the two faces of the test specimen.
tended to be used in practice, incorporating all hardware and
other equipment4). The finish and form of the specimen shall be
representative of the finish and form of the door as installed in
5.1 Test chamber
its intended Position of use.
The test chamber shall be so constructed that when the open-
The mounting of the specimen shall be representative of its use
ing in the surround is sealed, the rate of air leakage shall not ex-
in practice so that appropriate clearances between the door
ceed 1 mVh at 100 Pa’). (An example of a suitable design for
leaves and the frame or the surround exist. The clearance bet-
the test chamber is shown in figure 1.)
ween the door edge and frame shall be measured at three posi-
tions along each edge.
The chamber shall be equipped with :
Before measuring the air leakage, any joint or clearance bet-
ween the frame of the door assembly and its surround shall be
sealed.
When the specimen is examined in a surround intended for the
b) connections to provide for the supply to and exhaustion
determination of fire resistance, additional requirements,
of air from the chamber, and a means of ensuring that the
specified in sub-clause 5.2 of ISO 3008, also apply. Attention
air flow Pattern in the chamber gives a uniform pressure at
shall be paid to the sealing of the surface of this surround.
the face of the doorz) in Order to comply with the re-
quirements of 5.2 and 7.3.
6.2 Conditioning
The chamber may be fitted with a reversible air flow System
(sec figure 2).
Spetimens containing hygroscopic materials or other materials
which tan be affected by moisture shall be conditioned to
equilibrium with the prevailing conditions in the laboratory
52
...
SLOVENSKI STANDARD
SIST ISO 5925-1:1999
01-september-1999
Požarni preskusi – Ocenjevanje lastnosti dimnih vrat z opremo – Preskus pri sobni
temperaturi
Fire tests -- Evaluation of performance of smoke control door assemblies -- Part 1:
Ambient temperature test
Essais au feu -- Évaluation de performance des ensembles-portes pare-fumée -- Partie
1: Essai à la température ambiante
Ta slovenski standard je istoveten z: ISO 5925-1:1981
ICS:
13.220.50 Požarna odpornost Fire-resistance of building
gradbenih materialov in materials and elements
elementov
91.060.50 Vrata in okna Doors and windows
SIST ISO 5925-1:1999 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
---------------------- Page: 1 ----------------------
SIST ISO 5925-1:1999
---------------------- Page: 2 ----------------------
SIST ISO 5925-1:1999
International Standard
INTERNATIONAL ORGANIZATION FOR STANDARDIZATIONWlEX,4YHAPOC(HAR OPI-AHM3ALWlR fl0 CTAH,QAPTbl3ALWl.ORGANISATlON INTERNATIONALE DE hORMALISATION
Fire tests - Evaluation of Performance of smoke control
door assemblies -
Part 1 : Ambient temperature test
- Evaluation de Performance des ensembles-portes pare- fumke - Partie 7 : Essai 2 la tempkrature ambiante
Essais au feu
First edition - 1981-11-01
UDC 69.028.1 : 699.81 : 620.1 Ref. No. ISO5925/1-1981 (E)
Descriptors : construction materials, fire tests, fire-stop doors, results, specimens.
Price based on 6 pages
---------------------- Page: 3 ----------------------
SIST ISO 5925-1:1999
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of
national Standards institutes (ISO member bedies). The work of developing Inter-
national Standards is carried out through ISO technical committees. Every member
body interested in a subject for which a technical committee has been set up has the
right to be represented on that committee. International organizations, governmental
and non-governmental, in liaison with ISO, also take part in the work.
Draft International Standards adopted by the technical committees are circulated to
the member bodies for approval before their acceptance as International Standards by
the ISO Council.
International Standard ISO 5925/1 was developed by Technical Committee
ISO/TC 92, Fire tests on building materials, components and structures, and was cir-
culated to the member bodies in February 1980.
lt has been approved by the member bodies of the following countries :
Romania
Australia I reland
Belgium Israel South Africa, Rep. of
Brazil Italy Spain
Sweden
Czechoslovakia Japan
Korea, Rep. of Switzerland
Denmark
Egypt, Arab Rep. of Netherlands United Kingdom
Finland New Zealand
Germany, F. R. Notway
The member bodies of the following countries expressed disapproval of the document
on technical grounds :
Austria
France
Hungary
USA
0 International Organkation for Standardkation, 1981
Printed in Switzerland
---------------------- Page: 4 ----------------------
SIST ISO 5925-1:1999
INTERNATIONALSTANDARD ISO 5925/1-1981 (E)
- Evaluation of Performance of smoke control
Fire tests
door assemblies -
Part 1 : Ambient temperature test
0 lntroduction 3 Definitions
This method of test is one of a series for the assessment and For the purpose of this International Standard, the definitions
evaluation of Performance of door and shutter assemblies in-
given in ISO 1804 and ISO 3261, together with the following,
tended to act as barriers to smoke in a fire. The severity of the
aPPlY l
heat exposure conditions governs the smoke control petfor-
mance of doors and this has led to the preparation of a series of
3.1 door assembly; doorset : An assembly consisting of a
test methods. Further explanation and guidance on this and
other considerations will form the subject of ISO 5925/0. fixed part (the door frame), one or more movable Parts (the
door leaves), and their hardware, the function of which is to
Further tests in the series will rform the subjects of : allow or to prevent access.
ISO 592512, Fire tests - Evaluation of petiormance of smoke
3.2 smoke control door : A door assembly whose primary
con trol door assemblies - Part 2 : Medium temperature test.
function is to resist the passage of smoke.
ISO 5925/3, Fire tests - Evaluation of Performance of smoke
con trol door assemblies - Part 3 : tiigh temperature test.
3.3 ambient temperature : A temperature of 25 + 15 OC,
representative of that normally found in buildings.
1 Scope and field of application
This International Standard specifies a method of testing and
4 Principle
evaluating the performante of door assemblies and shutters,
intended to control the passage of smoke in ambient condi-
Determination of the rate of flow of air from the high to the Iow
tions.
pressure side of a door assembly.
2 References When smoke from a fire Starts to spread, a pressure differente
tan develop between the two sides of a door assembly.
ISO 1804, Doors - Terminology. Leakage of smoke tan occur through the clearance between
the door leaf and the frame and other openings. This test
ISO 3008, Fire resistance tests - Door and shutter assemblies.
simulates the conditions which may be experienced in practice
by doors during the very early stages of fire development, or by
ISO 3261, Fire tests - Vocabulary. doors remote from the seat of a fire.
1
---------------------- Page: 5 ----------------------
SIST ISO 5925-1:1999
ISO 5925/1-1981 (El
5.3 Air flow measuring equipment
5 Apparatus
The test chamber shall be provided with instrumentation for
The basic test apparatus consists of the following :
measuring3) the rate of air leakage when the test door or shutter
a) an air leakage test chamber with one side open and a is in place. The air flow measuring equipment shall be capable
surround into which a door assembly tan be built; the sur- of measuring the rate of air leakage with an accuracy of
round shall be capable of being fixed and sealed against the
-1: 5 %. lt may be necessary to use more than one instrument
opening (see figure 1); to achieve the required accuracy.
a means of providing a differential air pressure across
b)
the specimen
6 Preparation of test specimens
a means of measuring the rate of flow of air by volume,
Cl
into or out of the apparatus;
6.1 Construction
means of measu ring the diff erences in pressure bet-
d) a
The test shall be performed on a complete door assembly as in-
ween the two faces of the test specimen.
tended to be used in practice, incorporating all hardware and
other equipment4). The finish and form of the specimen shall be
representative of the finish and form of the door as installed in
5.1 Test chamber
its intended Position of use.
The test chamber shall be so constructed that when the open-
The mounting of the specimen shall be representative of its use
ing in the surround is sealed, the rate of air leakage shall not ex-
in practice so that appropriate clearances between the door
ceed 1 mVh at 100 Pa’). (An example of a suitable design for
leaves and the frame or the surround exist. The clearance bet-
the test chamber is shown in figure 1.)
ween the door edge and frame shall be measured at three posi-
tions along each edge.
The chamber shall be equipped with :
Before measuring the air leakage, any joint or clearance bet-
ween the frame of the door assembly and its surround shall be
sealed.
When the specimen is examined in a surround intended for the
b) connections to provide for the supply to and exhaustion
determination of fire resistance, additional requirements,
of air from the chamber, and a means of ensuring that the
specified in sub-clause 5.2 of ISO 3008, also apply. Attention
air flow Pattern in the chamber gives a uniform pressure
...
Norme internationale @ 592511
~~~ ~ ~~ ~ ~~ ~~ ~
INTERNATIONAL ORGANIZATION FOR STANDAROIZATIONOME~YHAPO~HAR OPïAHH3AUHR no CTAHAAPTH3AUHHOORGANlSATlON INTERNATIONALE DE NORMALISATION
Essais au feu - Évaluation de performance des
ensembles-portes pare-fumée -
Partie 1 : Essai à la température ambiante
Fire tests - Evaluation of performance of smoke control door assemblies - Part 1 : Ambient temperature test
Première édition - 1981-11-01
-
CDU 69.028.1 : 699.81 : 620.1
Réf. no : IS0 5925/1-1981 (FI
e
Descripteurs : matériau de construction, essai de comportement au feu, porte-coupe feu, résultat, spécimen.
s
Prix basé sur 6 pages
---------------------- Page: 1 ----------------------
I
Ava n t- p ro pos
L’ISO (Organisation internationale de normalisation) est une fédération mondiale
d’organismes nationaux de normalisation (comités membres de I’ISO). L’élaboration
des Normes internationales est confiée aux comités techniques de I’ISO. Chaque
comité membre intéressé par une étude a le droit de faire partie du comité technique
correspondant. Les organisations internationales, gouvernementales et non gouverne-
mentales, en liaison avec I’ISO, participent également aux travaux.
Les projets de Normes internationales adoptés par les comités techniques sont soumis
aux comités membres pour approbation, avant leur acceptation comme Normes inter-
I’ISO.
nationales par le Conseil de
La Norme internationale IS0 5925/1 a été élaborée par le comité technique ISO/TC 92,
Essais au feu sur les matériaux de construction, composants et structures, et a été sou-
mise aux comités membres en février 1980.
Les comités membres des pays suivants l’ont approuvée :
Espagne Pays-Bas
Afrique du Sud, Rép. d’
Finlande Roumanie
Allemagne, R. F.
Australie Irlande Royaume- Uni
Belgique Israël Suède
Brésil Italie Suisse
Japon Tchécoslovaquie
Corée, Rép. de
Norvège
Danemark
Égypte, Rép. arabe ci’ Nouvelle-Zélande
Les comités membres des pays suivants l’ont désapprouvée pour des raisons techni-
ques :
Autriche
France
Hongrie
U SA
O Organisation internationale de normalisation, 1981 O
Imprimé en Suisse
---------------------- Page: 2 ----------------------
~~ ~~
IS0 5925/1-1981 (F)
NORM E INTERNATIONALE
Essais au feu - Évaluation de performance des
ensembles-portes pare-fumée -
Partie 1 : Essai à la température ambiante
O Introduction 3 Définitions
Cette méthode d’essai fait partie d’une série pour la détermina- Dans le cadre de la présente Norme internationale, les défini-
tion et l’évaluation de la performance des ensembles de portes tions données dans I’ISO 1804 et I’ISO 3261, ainsi que les défi-
à la fumée
et fermetures prévus pour constituer une barrière nitions suivantes, sont applicables.
dans un incendie. C’est de la sévérité des conditions d‘exposi-
tion à la chaleur que dépend la performance des portes dans le
3.1 ensemble-porte : Ensemble comprenant une partie fixe
contrôle de la fumée, ce qui conduit à la préparation d’un
(dormant), une ou plusieurs parties mobiles (vantaux), ainsi
ensemble de méthodes d’essai. Des explications supplémentai-
que leurs accessoires de quincaillerie, dont la fonction est de
res et des directives concernant cette question, ainsi que
permettre ou d’interdire le passage.
d’autres problèmes, feront l’objet de I‘ISO 592510.
NOTE - Une porte peut comprendre seuil, imposte et panneauixi laté-
D‘autres essais de la série feront l’objet des normes suivantes :
raliauxi.
IS0 592512, Essais au feu - Evaluation de la performance des
ensembles-portes pare-fumée - Partie 2 : Essais à tempéra-
3.2 porte pare-fumée : Ensemble-porte dont la fonction
ture moyennement élevée.
principale est d‘empêcher le passage de la fumée.
IS0 5925/3, Essais au feu - Evaluation de la performance des
3.3 température ambiante : Une température de
ensembles-portes pare-fumée - Partie 3 : Essais à tempéra-
i 15 OC, représentative des températures rencontrées habi-
25
ture élevée.
tuellement dans les bâtiments.
1 Objet et domaine d’application
4 Principe
La présente Norme internationale spécifie une méthode d‘essai
et d‘évaluation de la performance des ensembles-portes et des
Mesurage du débit d‘air entre les côtés haute et basse pression
fermetures destinés à empêcher le passage de la fumée dans les
d‘un ensemble-porte.
conditions ambiantes.
Lorsque la fumée provenant d’un incendie commence à se
répandre, une différence de pression peut se produire entre les
2 Références
deux faces de l‘ensemble-porte. Des fuites de fumée peuvent
IS0 1804, Portes - Terminologie. à travers les jeux entre vantail et huisserie ainsi qu‘à
se produire
d’autres ouvertures. Cet essai simule les conditions qui peuvent
être expérimentées dans la pratique par des portes dans les tout
IS0 3008, Essais de résistance au feu - Portes et fermetures.
premiers stades de développement d‘un incendie, ou par des
portes éloignées du foyer principal.
IS0 3261, Essais au feu - Vocabulaire.
1
---------------------- Page: 3 ----------------------
IS0 5925/1-1981 (F)
5 Appareillage 5.3 Appareil de mesure du flux d’air
L’appareillage d’essai de base est constitué des éléments sui- La chambre d‘essai doit être équipée d’appareils permettant de
mesurer3) le débit de l‘air qui s’échappe lorsque la porte d’essai
vants :
ou le volet à essayer est en place. L’appareil de mesure du flux
a) une chambre d’essai pour la mesure du débit de fuite d‘air doit permettre de mesurer le débit de fuite d’air avec une
d’air, ayant l’une de ses faces ouverte et un cadre dans précision de k 5 YO. II peut être nécessaire d’utiliser plus d‘un
lequel un ensemble-porte peut être fixé; ce cadre doit pou- instrument pour obtenir la précision requise.
voir être fixé par un joint étanche contre l’ouverture (voir
figure 1);
un dispositif permettant de soumettre l’élément d’essai
b)
6 Préparation des éléments d‘essai
à une pression différentielle d’air;
un dispositif de mesure du débit volumétrique d‘air
c)
6.1 Fabrication
entrant ou sortant de l’appareillage;
L’essai doit être effectué sur un ensemble-porte complet tel
un dispositif de mesure des différences de pression
d)
qu‘il est destiné à être utilisé en pratique, avec toute sa quincail-
entre les deux faces de l’élément d’essai.
lerie et autres équipements4). Le fini et la présentation de l’élé-
ment d‘essai doivent être représentatifs du fini et de la présen-
5.1 Chambre d’essai
tation que la porte aura à l’endroit où il est prévu de l‘utiliser.
La chambre d’essai doit être construite de façon que, lorsque
Le montage de l‘élément d’essai doit être représentatif de son
l‘ouverture est obturée d‘une manière étanche, le débit de fuite
utilisation dans la pratique, de façon à ménager les jeux appro-
d’air ne dépasse pas 1 m3/h à 100 Pal). (Un exemple de cons-
priés entre les vantaux de la porte et l’huisserie ou le cadre. Le
truction convenable de la chambre d’essai est donné à la
jeu entre le bord du vantail et l’huisserie doit être mesuré en
figure 1.)
trois points le long de ce bord.
La chambre doit être dotée de :
Avant de mesurer la fuite d’air, tout joint ou jeu entre l’huisserie
de l’ensemble-porte et son cadre doit être obturé.
al un système de ventilation capable d’appliquer et de
maintenir une différence de pression de 100 Pal) de part et
Lorsque l‘élément d’essai est examiné dans un cadre destiné à
d’autre de la porte;
la détermination de la résistance au feu, les conditions supplé-
mentaires spécifiées en 5.2 de I’ISO 3008 doivent également
bl un raccordement pour alimenter la chambre en air et
être appliquées. On doit veiller à sceller la surface de ce cadre.
pour l‘en évacuer, ainsi qu’un moyen d’assurer que la répar-
tition du flux dans la chambre soit telle qu‘il exerce une pres-
sion uniforme sur la face de la portez) afin de satisfaire aux
conditions de 5.2 et 7.3.
6.2 Conditionnement
La chambre peut être dotée d’un système de circulation d’air
Les échantillons c
...
International Standard
INTERNATIONAL ORGANIZATION FOR STANDARDIZATIONOME~YHAP~~~~AR owAw3A~~~ no ~TAH~APTH~A~~~RGANISATI~N INTERNATIONALE DE F~ORMALISATION
- Evaluation of performance of smoke control
Fire tests
door assemblies -
Part 1 : Ambient temperature test
Essais au feu - Evaluation de performance des ensembles-portes pare-fumée - Partie 7 : Essai à la température ambiante
First edition - 1981-11-01
w
Y
UDC 69.0281 : 699.81 : 620.1
Ref. No. ISO 5925/1-1981 (E)
F
-8
I
Descriptors : construction materials, fire tests, fire-stop doors, resuits, specimens.
c
93
Si
0
v, Price based on 6 pages
---------------------- Page: 1 ----------------------
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of
national standards institutes (ISO member bodies). The work of developing lnter-
national Standards is carried out through ISO technical committees. Every member
body interested in a subject for which a technical committee has been set up has the
right to be represented on that committee. International organizations, governmental
and non-governmental, in liaison with ISO, also take part in the work.
Draft International Standards adopted by the technical committees are circulated to
the member bodies for approval before their acceptance as International Standards by
the ISO Council.
International Standard ISO 5925/1 was developed by Technical Committee
ISOITC 92, Fire tests on building materials, components and structures, and was cir-
culated to the member bodies in February 1980.
It has been approved by the member bodies of the following countries :
Ireland Romania
Australia
South Africa, Rep. of
Belgium Israel
Italy Spain
Brazil
Japan Sweden
Czechoslovakia
Switzerland
Denmark Korea, Rep. of
United Kingdom
Egypt, Arab Rep. of Netherlands
Finland New Zealand
Germany, F. R. Norway
the following countries expressed disapproval of the document
The member bodies of
on technical grounds :
Austria
France
Hungary
USA
0 International Organization for Standardization, 1981
Printed in Switzerland
---------------------- Page: 2 ----------------------
-~
INTERNATIONAL STANDARD ISO 5925/1-1981 (E)
.
- Evaluation of performance of smoke control
Fire tests
door assemblies -
Part 1 : Ambient temperature test
3 Definitions
0 Introduction
This method of test is one of a series for the assessment and For the purpose of this International Standard, the definitions
evaluation of performance of door and shutter assemblies in- given in ISO 1804 and ISO 3261, together with the following,
tended to act as barriers to smoke in a fire. The severity of the
aPPlY l
heat exposure conditions governs the smoke control perfor-
mance of doors and this has led to the preparation of a series of
3.1 door assembly; doorset : An assembly consisting of a
test methods. Further explanation and guidance on this and
fixed part (the door frame), one or more movable parts (the
other considerations Will form the subject of ISO 5925/0.
door leaves), and their hardware, the function of which is to
Further tests in the series Will form the subjects of : allow or to prevent access.
ISO 592512, Fire tests - Evaluation of performance of smoke
3.2 smoke control door : A door assembly whose primary
con trol door assemblies - Part 2 : Medium temperature test.
function is to resist the passage of smoke.
/SO 5Z?25/3, Fire tests - Evaluation of performance of smoke
con trol door assemblies - Part 3 : High temperature test.
3.3 ambient temperature : A temperature of 25 + 15 OC,
representative of that normally found in buildings.
1 Scope and field of application
This International Standard specifies a method of testing and
4 Principle
evaluating the performance of door assemblies and shutters,
intended to control the passage of smoke in ambient condi-
Determination of the rate of flow of air from the high to the low
tions.
pressure side of a door assembly.
When smoke from a fire starts to spread, a pressure difference
2 References
cari develop between the two sides of a door assembly.
ISO 1804, Doors - Terminology. Leakage of smoke cari occur through the clearance between
the door leaf and the frame and other openings. This test
ISO 3008, Fire resistance tests - Door and shutter assemblies.
simulates the conditions which may be experienced in practice
by doors during the very early stages of fire development, or by
ISO 3261, Fire tests - Vocabulary. doors remote from the seat of a fire.
---------------------- Page: 3 ----------------------
ISO 5925/1-1981 (E)
5 Apparatus 5.3 Air flow measuring equipment
The basic test apparatus consists of the following : The test chamber shall be provided with instrumentation for
measurings) the rate of air leakage when the test door or shutter
a) an air leakage test chamber with one side open and a
is in place. The air flow measuring equipment shall be capable
surround into which a door assembly cari be built; the sur- of measuring the rate of air leakage with an accuracy of
round shall be capable of being fixed and sealed against the + 5 %. It may be necessary to use more than one instrument
opening (see figure 1);
to achieve the required accuracy.
a means of providing a differential air pressure across
b)
specimen
the
6 Preparation of test specimens
volume,
cl a means of measuring the rate of flow of air by
into or out of the apparatus;
6.1 Construction
means of measu ring the diff erences in pressure bet-
d) a
The test shall be performed on a complete door assembly as in-
ween the two faces of the test specimen.
tended to be used in practice, incorporating all hardware and
other equipment4). The finish and form of the specimen shall be
representative of the finish and form of the door as installed in
5.1 Test chamber
its intended position of use.
The test chamber shall be SO constructed that when the open-
The mounting of the specimen shall be representative of its use
ing in the surround is sealed, the rate of air leakage shall not ex-
in practice SO that appropriate clearances between the door
ceed 1 mVh at 100 Pal). (An example of a suitable design for
leaves and the frame or the surround exist. The clearance bet-
the test chamber is shown in figure 1.)
ween the door edge and frame shall be measured at three posi-
tions along each edge.
The chamber shall be equipped with :
Before measuring the air leakage, any joint or clearance bet-
a) a fan system capable of applying and maintaining a
ween the frame of the door assembly and its surround shall be
pressure differential of 100 Pal) between the two faces of
the door; sealed.
When the specimen is examined in a surround intended for the
b) connections to provide for the supply to and exhaustion
determination of fire resistance, additional requirements,
of air from the chamber, and a means of ensuring that the
specified in sub-clause 5.2 of ISO 3008, also apply. Attention
air flow pattern in the chamber gives a uniform pressure at
shall be paid to the sealing of the surface of this surround.
the face of the door*) in order to comply with the re-
quirements of 5.2 and 7.3.
6.2 Conditioning
The chamber may be fitted with a reversible air flow system
(see figure 2).
Specimens containing hygroscopic materials or other materials
which cari be affected by moisture shall
...
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