oSIST prEN 12416-1:2023
(Main)Fixed firefighting systems - Powder systems - Part 1: Requirements and test methods for components
Fixed firefighting systems - Powder systems - Part 1: Requirements and test methods for components
This European Standard specifies requirements and test methods for materials, construction and performance of components intended for use in powder firefighting systems complying with prEN 12416-2:2000.
The components covered are as follows:
- powder containers
- expellant gas container assemblies
- pressure regulators and gauges
- actuators
- main isolating valves and selector valves
- nozzles.
The components are suitable for powder firefighting systems for general use in buildings and other construction works. In areas with a risk of explosion, earthquake zones, extreme environmental conditions e.g. marine, offshore, mining or aircraft additional considerations apply.
This standard covers components for use in powder extinguishing systems complying with prEN 12416-2:2000. It does not cover, for example, pipes and fittings which are covered by more general standards for which requirements and recommendations are given in prEN 12416-2:2000. Nor does it cover fire detectors or electrical control and indicating equipment.
Ortsfeste Brandbekämpfungsanlagen - Pulverlöschanlagen - Teil 1: Anforderungen und Prüfverfahren für Bauteile
Installations fixes de lutte contre l'incendie - Systèmes d'extinction à poudre - Partie 1: Exigences et méthodes d'essais des éléments constitutifs
Vgrajeni gasilni sistemi - Sistemi s praškom - 1. del: Zahteve in preskusne metode za sestavne dele
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 12416-1:2023
01-junij-2023
Vgrajeni gasilni sistemi - Sistemi s praškom - 1. del: Zahteve in preskusne metode
za sestavne dele
Fixed firefighting systems - Powder systems - Part 1: Requirements and test methods for
components
Ortsfeste Brandbekämpfungsanlagen - Pulverlöschanlagen - Teil 1: Anforderungen und
Prüfverfahren für Bauteile
Installations fixes de lutte contre l'incendie - Systèmes d'extinction à poudre - Partie 1:
Exigences et méthodes d'essais des éléments constitutifs
Ta slovenski standard je istoveten z: prEN 12416-1
ICS:
13.220.10 Gašenje požara Fire-fighting
oSIST prEN 12416-1:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 12416-1:2023
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oSIST prEN 12416-1:2023
DRAFT
EUROPEAN STANDARD
prEN 12416-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2023
ICS Will supersede EN 12416-1:2001+A2:2007
English Version
Fixed firefighting systems - Powder systems - Part 1:
Requirements and test methods for components
Installations fixes de lutte contre l'incendie - Systèmes Ortsfeste Brandbekämpfungsanlagen -
d'extinction à poudre - Partie 1: Exigences et méthodes Pulverlöschanlagen - Teil 1: Anforderungen und
d'essais des éléments constitutifs Prüfverfahren für Bauteile
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 191.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 12416-1:2023 E
worldwide for CEN national Members.
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prEN 12416-1:2023 (E)
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 General requirements for components . 9
4.1 Working temperature range . 9
4.2 General test facilities . 9
4.3 Stress corrosion test . 9
5 Powder container . 10
5.1 Capacity . 10
5.2 Design . 10
5.3 Maximum working pressure . 10
5.4 Colour . 10
5.5 Container components . 10
6 Expellant gas container assembly . 11
6.1 Expellant gas containers . 11
6.2 Expellant gas valves . 11
6.3 Actuators for expellant gas valves . 11
6.4 Manifolds . 11
6.5 Flexible connectors and non-return valve . 11
7 Pressure gauges . 11
8 Pressure regulators . 12
8.1 General . 12
8.2 Material . 12
8.3 Corrosion resistance . 12
8.4 Resistance to internal pressure . 12
8.5 Flow . 12
9 Actuators . 12
9.1 General . 12
9.2 Solenoid operated type actuators . 13
9.3 Pneumatic powered actuators . 13
9.4 Mechanical operated actuators . 13
9.5 Pyrotechnic actuators . 13
9.6 Manually released actuators . 14
9.7 Use in combination . 14
10 Main isolating valve and selector valve . 14
10.1 General . 14
10.2 Material . 14
10.3 Temperature resistance . 14
10.4 Resistance to pressure . 14
10.5 Flow characteristics . 14
10.6 Corrosion resistance . 15
10.7 Vibration resistance . 15
10.8 Operating force . 15
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11 Nozzles . 15
11.1 Material . 15
11.2 Resistance to pressure . 15
11.3 Resistance to heat . 15
11.4 Corrosion resistance . 15
11.5 Orifice diameter . 15
11.6 Connections . 15
11.7 Nozzle covers . 15
11.8 Discharge characteristics . 15
12 Documentation . 16
13 Marking . 17
13.1 General . 17
13.2 Powder containers . 17
13.3 Expellant gas containers and pilot containers . 17
13.4 Actuators . 17
13.5 Expellant gas valves and container valves . 17
13.6 Main isolating valves and selector valves . 18
13.7 Nozzles . 18
14 Type test methods . 18
14.1 Conditions . 18
14.2 Samples and order of tests . 18
15 Evaluation of conformity . 21
15.1 General . 21
15.2 Initial type testing . 21
15.3 Factory production control (FPC) . 21
Annex A (normative) Compliance test . 22
Annex B (normative) Internal pressure test . 23
Annex C (normative) Operating force and function test . 24
C.1 Actuators . 24
C.2 Main isolating valve and selector valve . 25
C.3 Pressure regulators . 25
C.4 Protective cover of nozzles . 26
Annex D (normative) Determination of the remaining media in the container after
discharge. 27
Annex E (normative) Opening and closing times . 28
Annex F (normative) Low temperature test for actuators and valves . 29
Annex G (normative) Low temperature test for actuators and valves . 30
G.1 Actuators and valves . 30
G.2 Nozzles . 30
Annex H (normative) Salt spray corrosion test . 31
Annex I (normative) Stress corrosion test . 32
Annex J (normative) Strength test for pressure regulators, main isolating valves and
selector valves . 33
Annex K (normative) Jet velocity test . 34
Annex L (normative) Flow rate test . 35
Bibliography . 36
3
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prEN 12416-1:2023 (E)
European foreword
This document (prEN 12416-1:2023) has been prepared by Technical Committee CEN/TC 191
“Fixed firefighting systems”, the secretariat of which is held by BSI.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 12416-1:2001+A2:2007.
This European Standard has the general title “Fixed firefighting systems - Powder systems” and
consists of the following two parts:
— Part 1: Requirements and test methods for components
— Part 2: Design, construction and maintenance
This document is included in a series of European Standards planned to cover also:
a) gas extinguishing systems (EN 12094);
b) sprinkler systems (EN 12259 and EN 12845);
c) smoke control systems (EN 12101);
d) explosion protection systems (EN 26184);
e) foam systems (EN 13565);
f) hose systems (EN 671);
g) water spray systems (EN 14816).
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prEN 12416-1:2023 (E)
Introduction
It has been assumed in the preparation of this document that the execution of its provisions is
entrusted to appropriately qualified and experienced people.
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prEN 12416-1:2023 (E)
1 Scope
This document specifies requirements and test methods for materials, construction and
performance of components intended for use in powder firefighting systems complying with
EN 12416-2:2001+A1:2007.
The components covered are as follows:
— powder containers
— expellant gas container assemblies
— pressure regulators and gauges
— actuators
— main isolating valves and selector valves
— nozzles.
The components are suitable for powder firefighting systems for general use in buildings and other
construction works. In areas with a risk of explosion, earthquake zones, extreme environmental
conditions e.g. marine, offshore, mining or aircraft additional considerations apply.
This document covers components for use in powder extinguishing systems complying with
EN 12416-2:2001+A1:2007. It does not cover, for example, pipes and fittings which are covered by
more general standards for which requirements and recommendations are given in
EN 12416-2:2001+A1:2007. Nor does it cover fire detectors or electrical control and indicating
equipment.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
EN 286-1:1998, Simple unfired pressure vessels designed to contain air or nitrogen - Part 1: Pressure
vessels for general purposes
EN 1964-3, Transportable gas cylinders - Specification for the design and construction of refillable
transportable seamless steel gas cylinders of water capacities from 0,5 litre up to and including 150
litres - Part 3: Cylinders made of seamless stainless steel with an Rm value of less than 1100 MPa
EN 12094-4, Fixed firefighting systems - Components for gas extinguishing systems - Part 4:
Requirements and test methods for container valve assemblies and their actuators
EN 12094-5, Fixed firefighting systems - Components for gas extinguishing systems - Part 5:
Requirements and test methods for high and low pressure selector valves and their actuators
EN 12094-8, Fixed firefighting systems - Components for gas extinguishing systems - Part 8:
Requirements and test methods for connectors
EN 12094-13, Fixed firefighting systems - Components for gas extinguishing systems - Part 13:
Requirements and test methods for check valves and non-return valves
EN 12416-2:2001+A1:2007, Fixed firefighting systems - Powder systems - Part 2: Design, construction
and maintenance
EN 60529, Degrees of protection provided by enclosures (IP Code)
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prEN 12416-1:2023 (E)
EN ISO 4126-1, Safety devices for protection against excessive pressure - Part 1: Safety valves (ISO
4126-1)
EN ISO 4126-2, Safety devices for protection against excessive pressure - Part 2: Bursting disc safety
devices (ISO 4126-2)
EN ISO 9809-1, Gas cylinders - Design, construction and testing of refillable seamless steel gas
cylinders and tubes - Part 1: Quenched and tempered steel cylinders and tubes with tensile strength
less than 1 100 MPa (ISO 9809-1)
EN ISO 9809-2, Gas cylinders - Design, construction and testing of refillable seamless steel gas
cylinders and tubes - Part 2: Quenched and tempered steel cylinders and tubes with tensile strength
greater than or equal to 1 100 MPa (ISO 9809-2)
EN ISO 10297, Gas cylinders - Cylinder valves - Specification and type testing (ISO 10297)
EN ISO 17871, Gas cylinders - Quick-release cylinder valves - Specification and type testing (ISO
17871)
ISO 3864-1, Graphical symbols — Safety colours and safety signs — Part 1: Design principles for
safety signs and safety markings
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1
actuator
component which when receiving a signal operates another component
3.2
bursting disc
diaphragm designed to burst at a predetermined pressure difference
3.3
calculation zone
zone for which the design quantity of the extinguishing media required is calculated separately
3.4
diptube (of the powder container)
tube through which powder from the lower part of the container is transported into the piping
3.5
equipment fire
fire of three dimensional objects, also subject to leakage, dripping or splashing
3.6
expellant gas container
high pressure container to store the expellant gas
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3.7
expellant gas container valve
valve which retains the expellant gas in the expellant gas container, and which releases it when
actuated
3.8
fill ratio (of the expellant gas container)
mass of an expellant gas relative to the net capacity of the expellant gas container, expressed in
kilograms per litre (kg/l)
3.9
flooding zone
zone comprising all calculation zones to be flooded simultaneously with the extinguishing media
via one selector valve
3.10
local application system
system to protect separate objects
3.11
maximum working pressure
pressure (at a temperature of 50 °C) at which the system or the component can still work and may
be operated
3.12
minimum release energy
energy which is needed for the operation of a component
3.13
minimum working pressure
pressure (at a temperature of - 20 °C) at which the system or the component can still be operated
3.14
non-return valve
component permitting flow only in one direction
3.15
nozzle
component to achieve determined performance characteristics and a uniform distribution into or at
a protected zone
3.16
pilot container
power source for a pneumatic alarm device and for actuation of the expellant gas container
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prEN 12416-1:2023 (E)
3.17
(extinguishing) powder
extinguishing medium composed of finely divided solid chemical products consisting of one or
more principle components, which are combined with additives to improve its characteristics
[SOURCE: EN 615]
Note 1 to entry: In North America and some other countries, the term “dry powder” is used to denote special
metal fire extinguishing agents and the term “dry chemical extinguishing agent” is used to denote the
extinguishing medium specified in this European Standard.
Note 2 to entry: When it is useful to indicate the class of fire for which a powder is designed, capital letters
may be added before the term. The letters used in this European Standard are those defined in EN 2.
EXAMPLE BC powder is designed to extinguish class B (liquids or liquefied solids) and class C (gases) fires;
ABC powder is designed to extinguish class A (solids which form glowing members), class B and class C fires.
3.18
protected zone
entire number of flooding zones protected by one system
3.19
selector valve
component which opens or prevents the flow of extinguishing media into a flooding zone
3.20
surface fire
fire spreading across horizontal surfaces. A surface fire may be a fire involving flammable liquids,
gases or solids, not subjected to smouldering
3.21
total flooding system
system to protect the entire contents of an enclosed space
3.22
working pressure
pressure at which the component is used in the system
3.23
working temperature range
temperature range at which the system or the component can still work and may be operated
4 General requirements for components
4.1 Working temperature range
The components shall have a working temperature range of - 20 °C to + 50 °C.
If CO pilot containers or CO expellant gas containers are used the working temperature range
2 2
shall be 0 °C to 40 °C.
4.2 General test facilities
It shall be ensured that the function of all actuators can be tested without discharging the expellant
gas. Depending on the type of the system test connectors for an external test cylinder shall be
available.
4.3 Stress corrosion test
If copper alloy parts are used they shall be subjected to the stress corrosion test in Annex K.
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5 Powder container
5.1 Capacity
The volume shall be not more than 4000 l.
5.2 Design
The powder container shall be designed in accordance with EN 286-1 and shall be made of steel.
5.3 Maximum working pressure
The maximum working pressure shall not exceed 25 bar.
5.4 Colour
The powder containers shall be coloured red in accordance with ISO 3864-1.
5.5 Container components
5.5.1 Powder filling opening
The powder filling opening of the container shall be not less than DN 100.
Sight-holes, handholes, headholes and manholes may be used for filling in accordance with
EN 286-1, if they are located on the top of the powder container.
5.5.2 Drain connection
For inspection of the interior of the container and testing of the powder, a drain connection to
empty the powder container should be provided.
Drain connections, if provided, shall be not less than:
— for V up to 1000 l: R 1/2 or R 1/2 or G 1/2;
p
— for V above 1000 l : R 1 or R 1 or G 1.
p
5.5.3 Pressure relief device
The powder container shall be fitted with a pressure relief device. The set pressure of the pressure
relief device is never greater than the maximum working pressure, but after pressure relief has
commenced the pressure can exceed the maximum working pressure by 10 % maximum. The gas
flow rate through the pressure relief device shall be greater than the maximum rate of expellant gas
entering into the powder container.
5.5.4 Connection for the expellant gas tube
The expellant gas tube shall be fitted to the powder container discharging the gas below the powder
surface. The system shall be designed to prevent powder entering the expellant gas system.
5.5.5 Powder diptube
The powder container shall be fitted with a powder diptube.
The diptube shall be fixed with sufficient strength to resist damage during operation (filling,
emptying of the container or during the discharge of powder).
The length and configuration of the diptube shall be such that the volume of powder remaining in
the container at the end of the discharge is less than 5 % of the internal volu
...
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