oSIST prEN 12514-2:2009
(Main)Parts for supply systems for demand appliance with liquid fuels - Part 2: Safety requirements and tests - Feed pumps, control and safety devices, operating vessels
Parts for supply systems for demand appliance with liquid fuels - Part 2: Safety requirements and tests - Feed pumps, control and safety devices, operating vessels
This European Standard applies to the following parts of supply systems for the automatic supply of liquid fuel to one or more consuming units from one or more tanks:
a) feed pumps;
b) control and safety devices;
c) service tanks;
d) service vessels.
The combination of single parts is acceptable.
Bauelemente für Versorgungsanlagen für Verbrauchsstellen mit flüssigen Brennstoffen - Teil 2: Sicherheitstechnische Anforderungen und Prüfungen - Förderaggregate, Regel- und Sicherheitseinrichtungen, Betriebsbehälter, Deutsche Fassung prEN 12514-2:2008
Diese Europäische Norm gilt für folgende Bauelemente von Versorgungsanlagen zur selbsttätigen Versorgung von Verbrauchsstellen mit flüssigem Brennstoff aus einem oder mehreren Tanks:
a) Förderaggregate;
b) Regel- und Sicherheitseinrichtungen;
c) Betriebstanks;
d) Betriebsbehälter.
Kombinationen von einzelnen Bauelementen sind zulässig.
Composants des systèmes d'alimentation pour les brûleurs de combustibles liquides - Partie 2 : Prescriptions de sécurité et essais -Pompes, dispositifs de régulation et de sécurité, réservoirs
La présente Norme européenne s’applique aux composants suivants des systèmes d’alimentation pour l’alimentation automatique de combustible liquide vers une ou plusieurs unités de consommation à partir d’un ou plusieurs réservoirs :
a) pompes d’alimentation ;
b) systèmes de contrôle et de sécurité ;
c) réservoirs de service ;
d) cuves de service.
La combinaison de pièces uniques est autorisée.
Sestavni deli sistemov za dovod tekočega goriva oljnim aparatom - 2. del: Varnostne zahteve in preskušanje - Napajalne črpalke, regulacijske in varnostne naprave, dnevni rezervoarji
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 12514-2:2009
01-julij-2009
6HVWDYQLGHOLVLVWHPRY]DGRYRGWHNRþHJDJRULYDROMQLPDSDUDWRPGHO
9DUQRVWQH]DKWHYHLQSUHVNXãDQMH1DSDMDOQHþUSDONHUHJXODFLMVNHLQYDUQRVWQH
QDSUDYHGQHYQLUH]HUYRDUML
Parts for supply systems for demand appliance with liquid fuels - Part 2: Safety
requirements and tests - Feed pumps, control and safety devices, operating vessels
Bauelemente für Versorgungsanlagen für Verbrauchsstellen mit flüssigen Brennstoffen -
Teil 2: Sicherheitstechnische Anforderungen und Prüfungen - Förderaggregate, Regel-
und Sicherheitseinrichtungen, Betriebsbehälter, Deutsche Fassung prEN 12514-2:2008
Composants des systèmes d'alimentation pour les brûleurs de combustibles liquides -
Partie 2 : Prescriptions de sécurité et essais -Pompes, dispositifs de régulation et de
sécurité, réservoirs
Ta slovenski standard je istoveten z: prEN 12514-2 rev
ICS:
27.060.10 *RULOQLNLQDWHNRþHLQWUGR Liquid and solid fuel burners
JRULYR
oSIST prEN 12514-2:2009 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 12514-2:2009
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oSIST prEN 12514-2:2009
EUROPEAN STANDARD
DRAFT
prEN 12514-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2009
ICS 27.060.10 Will supersede EN 12514-1:2000, EN 12514-2:2000
English Version
Parts for supply systems for consuming units with liquid fuels -
Part 2: Safety requirements and tests - Feed pumps, control and
safety devices, service vessels
Appareils et éléments de construction pour le transfert au Bauelemente für Versorgungsanlagen für
consommateur de liquide combustible - Partie 2 : Verbrauchsstellen mit flüssigen Brennstoffen - Teil 2:
Prescriptions de sécurité et essais - Pompes aspirantes et Sicherheitstechnische Anforderungen und Prüfungen -
refoulantes, réservoirs, accumulateurs á membrane, Förderaggregate, Regel- und Sicherheitseinrichtungen,
moyens de côntrole et de mesure Betriebsbehälter
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 47.
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 Management Centre has the
same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland 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
Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2009 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 12514-2:2009: E
worldwide for CEN national Members.
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oSIST prEN 12514-2:2009
prEN 12514-2:2009 (E)
Contents Page
Foreword .4
1 Scope .5
2 Normative references .5
3 Terms and definitions .6
4 Safety requirements .6
4.1 General requirements .6
4.1.1 Materials .6
4.1.2 Construction requirements .6
4.1.3 Pressure strength .6
4.1.4 Temperature range .6
4.1.5 Pipeline connections .7
4.1.6 Outlet pressure and supply volume.7
4.1.7 Function .7
4.1.8 Fitness for use .7
4.1.9 External leak-tightness .7
4.1.10 Internal leak-tightness .7
4.1.11 Inlet pressure .7
4.2 Part related requirements .8
4.2.1 Feed pump .8
4.2.2 Control and safety devices . 10
4.2.3 Service vessel . 12
4.2.4 Service tank . 13
4.2.5 Number of cycles for the fitness-for-use test . 13
5 Testing . 13
5.1 Testing the fitness for use of the feed pump . 13
5.1.1 General . 13
5.1.2 Testing the fitness for use of the complete feed pump . 14
5.1.3 Testing of the fitness for use of safety and control devices . 14
5.2 Testing of outlet pressure and supply volume . 14
5.2.1 General . 14
5.2.2 Type testing . 14
5.2.3 Factory production control . 15
5.3 Test of the leak-tightness of the service tank . 15
5.3.1 Type testing . 15
5.3.2 Factory production control . 15
5.4 Type testing of the temperature sensitive control unit of type TB . 15
5.4.1 Testing of the switch point at t . 15
s,max
5.4.2 Testing of the switch point at t . 15
a,max
5.5 Testing of the feed pump for the maximum outlet pressure ≤≤≤≤ 4 bar . 15
5.6 Functional test of the feed pump with control and safety devices . 16
5.6.1 Testing of the control device . 16
5.6.2 Testing of safety devices . 16
5.7 Evaluation of conformity . 18
6 Marking, packaging, and instruction . 18
6.1 General . 18
6.2 Marking . 18
6.3 Instructions for installation, maintenance and operation . 18
Annex A (normative) Machine related hazards – safety requirements and/or protective measures . 19
2
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prEN 12514-2:2009 (E)
A.1 General . 19
A.2 List of significant hazards . 19
A.3 Safety requirements and /or protective measures . 19
A.3.1 General . 19
A.4 Verification of machine safety requirements and/or protective measures . 22
A.5 Informations for marking, packaging, and instruction . 22
A.5.1 General . 22
A.5.2 Instructions for installation, maintenance and operation . 22
Bibliography . 23
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oSIST prEN 12514-2:2009
prEN 12514-2:2009 (E)
Foreword
This document (prEN 12514-2:2009) has been prepared by Technical Committee CEN/TC 47 “Atomizing oil
burners and their components – Function – Safety – Testing”, the secretariat of which is held by DIN.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 12514-1:2000, EN 12514-2:2000.
According to edition 2000 the following fundamental changes are given:
standards new structured;
technical requirements revised;
number of cycles for the fitness-for-use test added;
marking, packing and instructions revised;
harmonization of the standard to the Machinery Directive (MD) 2006/42/EC.
This standard consists of 4 Parts:
Parts for supply systems for consuming units with liquid fuel
Part 1: Safety requirements and tests — Terminology, general requirements
Part 2: Safety requirements and tests — Feed pumps, control and safety devices, service vessels
Part 3: Safety requirements and tests — Valves and meters
Part 4: Safety requirements and tests — Pipings and parts within pipelines
4
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oSIST prEN 12514-2:2009
prEN 12514-2:2009 (E)
1 Scope
This European Standard applies to the following parts of supply systems for the automatic supply of liquid fuel
to one or more consuming units from one or more tanks:
a) feed pumps;
b) control and safety devices;
c) service tanks;
d) service vessels.
The combination of single parts is acceptable.
2 Normative references
The following referenced documents are indispensable for the application 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 1050:1996, Safety of machinery -— Principles for risk assessment
EN 12266-2:2002, Industrial valves -— Testing of valves — Part 2: Tests, test procedures and acceptance
criteria; Supplementary requirements
prEN 12514-1:2009, Parts for supply systems for consuming units with liquid fuel — Part 1: Safety
requirements and tests — Terminology, general requirements
prEN 12514-3:2009; Parts for supply systems for consuming units with liquid fuel — Part 3: Safety
requirements and tests — Valves and meters
prEN 12514-4, Parts for supply systems for consuming units with liquid fuel — Part 4: Safety requirements
and tests — Pipework and parts within pipes
EN 12639, Liquid pumps and pump units — Noise test code — Grade 2 and grade 3 of accuracy
EN 14597, Temperature control devices and temperature limiters for heat generating systems
EN 50156-1, Electrical equipment for furnaces and ancillary equipment - Part 1: Requirements for application
design and installation
EN 60335-1; Household and similar electrical appliances -— Safety -— Part 1: General requirements
(IEC 60335-1:2001, modified + Corrigendum 1 (ed. 4.0):2002 + A1:2004 + Corrigendum 1 (ed. 4.1):2005 +
A2:2006 + Corrigendum 1 (A2):2006)
EN 60335-2-102, Household and similar electrical appliances - Safety - Part 2-102: Particular requirements for
gas, oil and solide-fuel burning appliances having electrical connections (IEC 60335-2-102:2004, modified)
EN 60529, Degrees of protection provided by enclosures (IP code) (IEC 60529:1989 + A1:1999)
EN ISO 2719, Determination of flash point — Pensky-Martens closed cup method (ISO 2719:2002)
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prEN 12514-2:2009 (E)
EN ISO 4871, Acoustics - Declaration and verification of noise emission values of machinery and equipment
(ISO 4871:1996)
EN ISO 12100-1, Safety of machinery - Basic concepts, general principles for design - Part 1: Basic
terminology, methodology (ISO 12100-1:2003)
EN ISO 12100-2:2003, Safety of machinery - Basic concepts, general principles for design - Part 2: Technical
principles (ISO 12100-2:2003)
IEC 60038, IEC standard voltages (IEC 60038:1983 + A1:1994 + A2:1997)
CLC TR 50404, Electrostatics. Code of practice for the avoidance of hazards due to static electricity
3 Terms and definitions
For the purposes of this document, the terms and definitions given in prEN 12514-1 and in EN ISO 12100-1
apply.
4 Safety requirements
4.1 General requirements
4.1.1 Materials
According to prEN 12514-1.
Test according to annex D.3 of prEN 12514-1:2009.
4.1.2 Construction requirements
According to prEN 12514-1.
Test according to annex D.3 of prEN 12514-1:2009.
4.1.3 Pressure strength
According to prEN 12514-1.
Test according to annex D.1 of prEN 12514-1:2009.
Additional test of thermoplastic materials according to annex C of prEN 12514-1:2009.
4.1.4 Temperature range
According to prEN 12514-1.
Test according to annex D.3 of prEN 12514-1:2009.
Additional test of parts designed for t = -20 °C according to annex F of prEN 12514-1:2009.
s,min
Additional test of thermoplastic materials according to annex C of prEN 12514-1:2009.
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prEN 12514-2:2009 (E)
4.1.5 Pipeline connections
According to prEN 12514-4.
Test according to annex D.3 of prEN 12514-1:2009 and prEN 12514-4.
4.1.6 Outlet pressure and supply volume
The supply volume shall be determined as a function of the outlet pressure with the liquid fuel according to
prEN 12514-1 indicated by the manufacturer.
Test according to 5.2.
4.1.7 Function
The part related functions according to 4.2 shall be demonstrated in accordance with clause 5:
during type testing, prior and after the fitness-for-use test according to 4.1.8;
during factory production control.
4.1.8 Fitness for use
The fitness-for-use test shall be conducted during type testing.
For the part related number of cycles, refer to 4.2.5.
The fitness-for-use test shall be carried out at a temperature t = (20 ± 5) °C.
t
Test according to 5.1.
4.1.9 External leak-tightness
No visible leakage.
Test according to annex D.2 of prEN 12514-1:2009.
Test of the service tank according to 5.3.
4.1.10 Internal leak-tightness
The internal leak-tightness needs to be demonstrated for parts with shut-off function or check valves only.
The testing of internal leak-tightness shall be carried out:
during type testing, after the fitness-for-use test;
during factory production control.
The leakage rate shall not exceed leakage rate B of EN 12266-2.
Testing of the backseal, test P21 – EN 12266-2:2002.
4.1.11 Inlet pressure
Determine the minimum and maximum inlet pressures.
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prEN 12514-2:2009 (E)
Test according to 5.2.2.
4.1.12 Electrical safety
According to prEN 12514-1.
For feed pumps, control and safety devices the following requirements apply additionally according to
prEN 12514-1.
When the environmental conditions (pollution degree and over voltage category) exceed those specified in
EN 60335-2-102 the electrical safety and equipment shall comply with EN 50156-1 and EN 60335-1.
Motors, controls and all other electric parts shall be so protected by suitable guards, shields or grilles of
adequate size, strength and durability that they are not liable to be touched accidentally. The degree of
protection shall be at least IP 20, according to EN 60529. Removal of such guards, shields or grilles shall be
possible only with the use of commonly available tools.
4.2 Part related requirements
4.2.1 Feed pump
4.2.1.1 Functional characteristics
Feed pumps shall be designed as a series in accordance with Table 1.
NOTE If required, the feed pump may be combined with a leak detection system according to EN 13160-4, see
Figure 9 to Figure 11 of prEN 12514-1:2009.
Test according to annex D.3 of prEN 12514-1:2009.
For feed pumps with level control device which have to be filled manually prior to commissioning, the
maximum filling height h shall be indicated.
max
Test of the declared value according to annex D.3 of prEN 12514-1:2009.
For feed pumps with service vessel, the lowest response pressure p of the low limit controller shall not fall
o,r,a
below the operating pressure by more than 50 mbar at the opening of the liquid fuel supply, see Figure 1.
For the assignment of the switch points of the control and safety devices for feed pumps with service vessel,
see Figure 1 and for feed pumps with service tank, see Figure 2.
Test according to 5.6.
For feed pumps with service vessels or service tanks, the manufacturer shall declare the suction volume.
For feed pumps with service vessel, it shall be ensured that no overpressure build-up can occur in the
connected suction pipeline.
For feed pumps where the outlet pressure is limited to ≤ 4 bar by design, this value shall be verified in
accordance with 5.5.
A filter with a maximum mesh size of 0,05 mm shall be integrated. If no filter element is integrated, a filter
complying with 4.2.9 of prEN 12514-3:2009 shall be mounted at the fuel-inlet of the feed pump.
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prEN 12514-2:2009 (E)
Key
p response pressure of the low limit controller
o,r,a
p operating pressure at opening of liquid fuel supply
o,1
p operating pressure at closing of liquid fuel supply
o,2
p response pressure of the high or low limit controller
o,r,b
p maximum allowable pressure
s
∆p = (p – p ) ≤ 50 mbar
a o,1 o,r,a
∆p = p – p
b s o,r,b
Figure 1 — Assignment of the switch points of the control and safety devices
for feed pumps with service vessel
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prEN 12514-2:2009 (E)
Key
h filling height (level) at opening of the liquid fuel supply
1
h filling height (level) at closing of the liquid fuel supply
2
h maximum filling height
max
∆h = 0,1 x h
a max
a low limit controller
Figure 2 — Assignment of the switch points
of the control and safety devices for feed pumps with service tank
4.2.1.2 Machine safety requirements and/or protective measures
Machine safety requirements and/or protective measures for feed pumps shall be according to Annex A.
The A-weighted emission sound pressure level shall be ≤ 70 dB(A). If the sound pressure level exceeds
70 dB(A) information of the sound power level shall be given.
NOTE The A-weighted emission sound pressure level of feed pumps for domestic use should be ≤ 50 dB(A).
Test of the feed pump according to EN 12639 also for driver rated power < 0,5 kW.
Feed pumps should be equipped with appropriate lifting gears.
4.2.2 Control and safety devices
4.2.2.1 General
Feed pumps shall at least be equipped with control, safety, and indication devices according to Table 1.
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oSIST prEN 12514-2:2009
prEN 12514-2:2009 (E)
Table 1 — Minimum equipment of feed pumps with control, safety, and indication devices
Safety device
Control Pressure
Feed pumps series
High limit Low limit e
device
gauge
controller controller
g a
Intermittent, pressure controlled operation X X X —
Intermittent, external electrically controlled
— X — —
b
operation
Feed pumps limited to an outlet pressure
— — — —
d
of ≤ 4 bar by design
Series related suitability for the generation
a
— X X X
of outlet pressures higher than 4 bar
c
Level controlled X — —
X
f
All other series — X X —
a
The low limit controller shall respond at the minimum value of p
o,r,a
b
External consuming units with flame supervision device.
c
The low limit controller shall respond at the minimum value of h or the value h .
1 2
d
Feed pumps with intermittent, pressure controlled or external electrically controlled operation, e. g. oscillating piston pumps.
e
Pressure gauges according to prEN 12514-3.
f
The low limit controller shall respond at the minimum value (p or h , respectively).
o,r,a 1
g
The high limit controller shall respond at the value p .
o,r,b
4.2.2.2 Control device
Upon reaching the lower limit of the operating range (pressure p , level h ), the device shall automatically
o,1 1
switch on the feed pump, and automatically switch off the pump upon reaching the upper limit of the operating
range (pressure p , level h ) (see Figure 1 and Figure 2).
o,2 2
Test according to 5.6.1.
4.2.2.3 High limit controller
The high limit controller shall prevent the pressure from exceeding the maximum allowable pressure p or the
s
maximum filling height h each reduced by at least 10 % (see Figure 1 and Figure 2).
max
p ≤ 0,9 × p (1)
o,r,b s
h ≤ 0,9 × h (2)
2 max
NOTE In the case of oscillating piston pumps, the response pressure of the high limit controller is realised by design
with a spring.
The high limit controller shall operate independently of the control device.
Test according to 5.6.2.1.1 and 5.6.2.2.1.
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4.2.2.4 Low limit controller
The low limit controller shall prevent the pressure from exceeding the maximum allowable pressure, p , or the
s
maximum filling height, h , each reduced by at least 10 % or prevent a falling below the lowest switch point
max
for liquid fuel supply to a value declared by the manufacturer (see Figure 1 and Figure 2).
If the controller is adjustable, adjustment shall only be possible by means of tools and any unauthorized
adjustment shall be visible (e. g. by means of a lacquer layer or a seal). The operation of the controller may be
taken over by means of an electronic control unit with corresponding continuous indication.
In the case of level controlled feed pumps, the low limit controller may be replaced by an overflow pipe. The
connection of the overflow pipe shall be dimensioned such that 1,5 times the maximum filling volume can
drain off.
Test according to 5.6.2.1.2 and 5.6.2.2.2.
In the case of feed pumps of other series according to Table 1 which are equipped with a low level controller
responding in the event of a failure of the power supply within a time declared by the manufacturer, the feed
pump shall not re-open automatically.
Test according to 5.6.2.1.3.
4.2.3 Service vessel
Service vessels are only suitable for fuels with a flash point of ≤ 55 °C determined in accordance with
EN ISO 2719 if PS × V ≤ 200 bar × l.
Service vessels are only suitable for fuels with a flash point of > 55 °C determined in accordance with
EN ISO 2719 if PS × V ≤ 10 000 bar × l.
NOTE If PS × V is higher than previously declared, Pressure Equipment Directive 97/23/EC shall be observed.
Service vessels shall be equipped with a control device complying with 4.2.2.2 and a low limit controller
complying with 4.2.2.4.
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prEN 12514-2:2009 (E)
4.2.4 Service tank
The maximum filling height h shall not be exceeded. Additionally, the tank shall be protected against
max
overflow, e. g. by means of an overflow pipeline or the control device of the feed pump.
If an overflow pipeline is used, its diameter shall be dimensioned such that at least 1,5 times the maximum
filling volume can drain off.
Service tanks shall be provided with a temperature sensitive control unit of the type TB as specified in
EN 14597 for temperature limitation, which automatically closes the liquid fuel supply, as soon as:
the temperature of the liquid fuel t exceeds the flash point determined in accordance with
s,max
EN ISO 2719; or
the ambient temperature t exceeds the flash point determined in accordance with EN ISO 2719 by
a,max
5 K.
Test according to 5.4.
4.2.5 Number of cycles for the fitness-for-use test
The number of cycles for testing the fitness for use of feed pumps with control, safety, and indication devices
shall be as specified in Table 2.
Table 2 — Number of cycles for the fitness-for-use test corresponding to the series of the feed tank
Number of cycles
Feed pump series
min
Intermittent, pressure controlled operation 25 000
Intermittent, external electrically controlled operation 250 000
Series related suitability for the generation of outlet pressures
50 000
higher than 4 bar
Level controlled 25 000
All other series 250 000
NOTE In order to reach the nominal lifetime according to 4.5 of prEN 12514-1:2009 the
manufacturer should declare the required number of cycles.
5 Testing
5.1 Testing the fitness for use of the feed pump
5.1.1 General
The fitness-for-use test shall be carried out on the complete feed pump with all control, safety, and indication
devices using liquid fuels of the class A, B or C intended for use.
The fitness-for-use test may be carried out on the complete feed pump according to 5.1.2 or alternatively
according to 5.1.3.
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prEN 12514-2:2009 (E)
5.1.2 Testing the fitness for use of the complete feed pump
The complete feed pump with all control, safety, and indication devices shall be:
connected at its inlet to a pipe through which liquid fuel shall be supplied at a temperature t = (20 ± 5) °C;
t
and
equipped with a nozzle at its outlet which enables flow;
within the range of operating pressures p and p (see Figure 1) for feed pumps with service vessel;
o,1 o,2
within the range of filling heights h an
...
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