Parts for supply systems for consuming units with liquid fuels - Part 3: Safety requirements and tests - Valves and meters

This European Standard applies to the following parts of supply systems for the automatic liquid fuel supply of consuming units from one or more tanks:
a)   isolating valve;
b)   quick-acting valve;
c)   switch-over valve;
d)   forced switch-over valve;
e)   check valve;
f)   pressure compensating device;
g)   discharge valve;
h)   pressure reducer;
i)   filter;
j)   meter;
k)   de-aerator;
l)   anti-siphon safety device;
m)   pressure retaining device;
n)   isolation device;
o)   pressure gauge;
p)   vapour/air separator;
q)   pressure control path;
r)   combined part
s)   other part.

Bauelemente für Versorgungsanlagen für Verbrauchsstellen mit flüssigen Brennstoffen - Teil 3: Sicherheitstechnische Anforderungen und Prüfungen - Armaturen und Zähler

Appareils et éléments de construction pour le transfert au consommateur de liquide combustible - Partie 3: Prescriptions de sécurité et essais - Armatures et compteurs

Sestavni deli sistemov za dovod tekočega goriva oljnim aparatom - 3. del: Varnostne zahteve in preskušanje - Ventili in števci

General Information

Status
Not Published
Public Enquiry End Date
19-Sep-2009
Technical Committee
Current Stage
98 - Abandoned project (Adopted Project)
Start Date
07-Oct-2013
Due Date
12-Oct-2013
Completion Date
07-Oct-2013

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SLOVENSKI STANDARD
oSIST prEN 12514-3:2009
01-julij-2009
6HVWDYQLGHOLVLVWHPRY]DGRYRGWHNRþHJDJRULYDROMQLPDSDUDWRPGHO
9DUQRVWQH]DKWHYHLQSUHVNXãDQMH9HQWLOLLQãWHYFL
Parts for supply systems for consuming units with liquid fuels - Part 3: Safety
requirements and tests - Valves and meters

Bauelemente für Versorgungsanlagen für Verbrauchsstellen mit flüssigen Brennstoffen -

Teil 3: Sicherheitstechnische Anforderungen und Prüfungen - Armaturen und Zähler

Appareils et éléments de construction pour le transfert au consommateur de liquide

combustible - Partie 3: Prescriptions de sécurité et essais - Armatures et compteurs

Ta slovenski standard je istoveten z: prEN 12514-3 rev
ICS:
27.060.10 *RULOQLNLQDWHNRþHLQWUGR Liquid and solid fuel burners
JRULYR
oSIST prEN 12514-3:2009 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN 12514-3:2009
---------------------- Page: 2 ----------------------
oSIST prEN 12514-3:2009
EUROPEAN STANDARD
DRAFT
prEN 12514-3
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 3: Safety requirements and tests - Valves and meters

Appareils et éléments de construction pour le transfert au Bauelemente für Versorgungsanlagen für

consommateur de liquide combustible - Partie 3: Verbrauchsstellen mit flüssigen Brennstoffen - Teil 3:

Prescriptions de sécurité et essais - Armatures et Sicherheitstechnische Anforderungen und Prüfungen -

compteurs Armaturen und Zähler

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 12514-3:2009: E

worldwide for CEN national Members.
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oSIST prEN 12514-3:2009
prEN 12514-3:2009 (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 ................................................................................................................................7

4.1.5 Pipeline connections .............................................................................................................................7

4.1.6 Flow resistance ......................................................................................................................................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 ...........................................................................................................................8

4.1.11 Corrosion resistance .............................................................................................................................8

4.1.12 Fireproof part .........................................................................................................................................8

4.1.13 Flood proof part .....................................................................................................................................8

4.1.14 Vacuum test ............................................................................................................................................8

4.2 Part related requirements .....................................................................................................................8

4.2.1 Isolating valve ........................................................................................................................................8

4.2.2 Quick-acting valve .................................................................................................................................9

4.2.3 Switch-over valve...................................................................................................................................9

4.2.4 Forced switch-over valve ......................................................................................................................9

4.2.5 Check valve ............................................................................................................................................9

4.2.6 Pressure compensating device ......................................................................................................... 10

4.2.7 Discharge valve................................................................................................................................... 10

4.2.8 Pressure reducer ................................................................................................................................ 11

4.2.9 Filter ..................................................................................................................................................... 14

4.2.10 Meter .................................................................................................................................................... 15

4.2.11 De-aerator ............................................................................................................................................ 15

4.2.12 Anti-siphon safety device .................................................................................................................. 15

4.2.13 Insulating device ................................................................................................................................. 17

4.2.14 Pressure gauge ................................................................................................................................... 17

4.2.15 Vapour/air separator ........................................................................................................................... 18

4.2.16 Pressure control path ......................................................................................................................... 18

4.2.17 Pressure retaining valve .................................................................................................................... 18

4.2.18 Combined part ..................................................................................................................................... 18

4.2.19 Other part ............................................................................................................................................. 18

5 Test ....................................................................................................................................................... 19

5.1 Testing the fitness for use of the parts ............................................................................................ 19

5.1.1 General ................................................................................................................................................. 19

5.1.2 Testing the fitness for use of manually operated parts .................................................................. 19

5.1.3 Testing the fitness for use of check valves ..................................................................................... 19

5.1.4 Testing the fitness for use of pressure compensating devices .................................................... 20

5.1.5 Testing the fitness for use of discharge valves .............................................................................. 20

5.1.6 Testing the fitness for use of pressure reducers ............................................................................ 20

5.1.7 Testing the fitness for use of de-aerators ........................................................................................ 21

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oSIST prEN 12514-3:2009
prEN 12514-3:2009 (E)

5.1.8 Testing the fitness for use of mechanical anti-siphon safety devices .......................................... 21

5.1.9 Testing the fitness for use of pressure retaining valve ................................................................... 23

5.2 Testing of the pressure compensating device ................................................................................. 23

5.3 Testing of the discharge valve ........................................................................................................... 24

5.3.1 Type testing ......................................................................................................................................... 24

5.3.2 Factory production control................................................................................................................. 25

5.4 Testing of the pressure reducer ........................................................................................................ 25

5.4.1 Pressure strength test ........................................................................................................................ 25

5.4.2 External leak-tightness test ................................................................................................................ 26

5.4.3 Internal leak-tightness test ................................................................................................................. 26

5.4.4 Functional test of the pressure reducer ............................................................................................ 26

5.5 Type testing of the filter ...................................................................................................................... 28

5.5.1 Testing of the differential pressure ................................................................................................... 28

5.5.2 Testing on the side of the return pipeline of a filter for two-pipe systems ................................... 28

5.5.3 Testing of the manual venting of the return pipeline ...................................................................... 29

5.5.4 Testing of the flow resistance ............................................................................................................ 29

5.6 Type testing of the de-aerator ............................................................................................................ 29

5.7 Testing of the mechanical anti-siphon safety device ...................................................................... 31

5.7.1 Testing of the anti-siphon function ................................................................................................... 31

5.7.2 Pressure strength test ........................................................................................................................ 33

5.7.3 External leak-tightness test ................................................................................................................ 33

5.7.4 Flow resistance test ............................................................................................................................ 34

5.7.5 Testing of the pressure relief of mechanical anti-siphon safety devices ...................................... 34

5.7.6 Internal leak-tightness test ................................................................................................................. 34

5.8 Testing of the pressure relief of electro-mechanical anti-siphon safety devices ......................... 34

5.9 Testing of insulating devices ............................................................................................................. 35

5.10 Testing of pressure retaining valve ................................................................................................... 35

5.10.1 Type testing ......................................................................................................................................... 35

5.10.2 Factory production control................................................................................................................. 36

5.11 Evaluation of conformity .................................................................................................................... 36

6 Marking, packaging, and instructions ............................................................................................... 37

6.1 General ................................................................................................................................................. 37

6.2 Marking ................................................................................................................................................. 37

6.3 Instruction for installation, maintenance, and operation ................................................................ 37

Bibliography ...................................................................................................................................................... 39

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oSIST prEN 12514-3:2009
prEN 12514-3:2009 (E)
Foreword

This document (prEN 12514-3:2009) 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;
 new parts for supply systems included;
 technical requirements revised;
 number of cycles for the fitness-for-use test added;
 requirements for flood proof parts included;
 marking, packing and instructions revised;

 harmonization of the standard to Measuring Instruments Directive (MID) 2004/22/EC.

This standard consists of 4 Parts:
Parts for supply systems for consuming units with liquid fuels
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
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oSIST prEN 12514-3:2009
prEN 12514-3:2009 (E)
1 Scope

This European Standard applies to the following parts of supply systems for the automatic liquid fuel supply of

consuming units from one or more tanks:
a) isolating valve;
b) quick-acting valve;
c) switch-over valve;
d) forced switch-over valve;
e) check valve;
f) pressure compensating device;
g) discharge valve;
h) pressure reducer;
i) filter;
j) meter;
k) de-aerator;
l) anti-siphon safety device;
m) pressure retaining device;
n) isolation device;
o) pressure gauge;
p) vapour/air separator;
q) pressure control path;
r) combined part
s) other part.
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 293, Oil pressure atomizing nozzles — Minimum requirements — Testing

EN 837-1, Pressure gauges — Part 1: Bourdon hose pressure gauges; dimensions, metrology, requirements

and testing
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oSIST prEN 12514-3:2009
prEN 12514-3:2009 (E)

EN 837-2, Pressure gauges — Part 2: Selection and installation recommendations for pressure gauges

EN 837-3, Pressure gauges — Part 3: Diaphragm and capsule pressure gauges; dimensions, metrology,

requirements and testing
EN 1267, Valves — Test of flow resistance using water as test fluid

EN 12266-1:2003, Industrial valves — Testing of valves — Part 1: Pressure tests, test procedures and

acceptance criteria — Mandatory requirements

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 12514-4, Parts for supply systems for consuming units with liquid fuel — Part 4: Safety requirements

and tests — Pipework and parts within pipes
EN 13636, Cathodic protection of buried metallic tanks and related piping
EN 14505, Cathodic protection of complex structures

EN ISO 9227, Corrosion tests in artificial atmospheres — Salt spray tests (ISO 9227:2006)

ISO 23553-1:2007, Safety and control devices for oil burners and oil-burning appliances — Particular

requirements — Part 1: Shut-off devices for oil burners

OIML R 117-1:2007, Dynamic measuring systems for liquids other than water — Part 1: Metrological and

technical requirements
3 Terms and definitions

For the purposes of this document, the terms and definitions given in prEN 12514-1 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.
---------------------- Page: 8 ----------------------
oSIST prEN 12514-3:2009
prEN 12514-3:2009 (E)
Test according to annex D.1 of prEN 12514-1:2009.

Additional testing for 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 testing for parts designed for t = -20 °C according to annex F of prEN 12514-1:2009.

s,min

Additional testing for thermoplastic materials according to annex C of prEN 12514-1:2009.

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 Flow resistance

The differential pressure of the part shall be declared by the manufacturer as a function of the flow rate of the

intended liquid fuel at a temperature of (20 ± 5) °C, preferably as flow rate coefficient, K , according to

EN 1267.
Type testing according to EN 1267.
4.1.7 Function

The part related functions according to 4.2 shall be demonstrated according to clause 5:

 during the type testing, prior and after the fitness-for-use test according to 4.1.8;

 during the 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.

The fitness-for-use test shall be carried out at a test temperature t = (20 ± 5) °C.

Test according to 5.1.
4.1.9 External leak-tightness
The external leak-tightness test shall be carried out:
 During the type testing, after the fitness-for-use test;
 during the factory production control.
No visible leakage.
---------------------- Page: 9 ----------------------
oSIST prEN 12514-3:2009
prEN 12514-3:2009 (E)
Test according to annex D.2 of prEN 12514-1:2009.
4.1.10 Internal leak-tightness

The internal leak-tightness needs to be demonstrated for parts with shut-off function only.

The internal leak-tightness test shall be carried out:
 during the type testing, after the fitness-for-use test;
 during the factory production control.

The leakage rate for parts with shut-off function shall not exceed leakage rate B of EN 12266-1 when in the

closed position.
Seat tightness test, test P12 – EN 12266-1:2003.

NOTE As the allowable differential pressure according to EN 12266-1, the maximum allowable pressure p shall be

used.
4.1.11 Corrosion resistance

Parts intended for use outside buildings shall be resistant to or protected against corrosion.

The suitability of the corrosion protection shall be demonstrated by a test carried out as part of the type

testing: neutral salt spray test (NSS) according to EN ISO 9227 with a test duration of 96 h.

After this test, it shall be demonstrated by visual inspection that the parts required for operation according to

the specifications do not show any signs of corrosion; salt residues due to the test shall be neglected.

Following this, the part related functions according to 4.2 shall be verified.
4.1.12 Fireproof part
According to 4.6 of prEN 12514-1:2009.
Type testing according to annex D.4 of prEN 12514-1:2009.
4.1.13 Flood proof part
According to 4.7 of prEN 12514-1:2009.
Type testing according to annex D.5 of prEN 12514-1:2009.
4.1.14 Vacuum test

The vacuum test shall be carried out as part of the type testing of parts which may be subject to vacuum, in

order to demonstrate their pressure strength and external leak-tightness.
Type testing according to annex D.6 of prEN 12514-1:2009.
4.2 Part related requirements
4.2.1 Isolating valve

An isolating valve directly exposed to the operating cycles of the consuming unit shall withstand

250 000 cycles.
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oSIST prEN 12514-3:2009
prEN 12514-3:2009 (E)
A manually operated isolating valve shall withstand 1 000 cycles.
Fitness-for-use test according to 5.1.2.
4.2.2 Quick-acting valve

The quick-acting valve shall only allow a completely opened or closed position, but no throttle position.

The open or closed position shall be visible.

Quick-acting valves for remote controlled mechanical operation shall, at the operating element, be provided

with a drilled hole of at least 2 mm.

A quick-acting valve directly exposed to the operating cycles of the consuming unit shall withstand

250 000 cycles.
A manually operated quick-acting valve shall withstand 1 000 cycles.
Fitness-for-use test according to 5.1.2.
4.2.3 Switch-over valve

The outlet of a switch-over valve shall be connected only with one inlet and shall be leak tight against the

other inlet.
The respective adjusted position shall be visible.
A manually operated switch-over valve shall withstand 1 000 cycles.
Fitness-for-use test according to 5.1.2.
4.2.4 Forced switch-over valve

The forced switch-over valve shall be adjustable only in a way where on the inlet side only one adjoined outlet

connection (e. g. return flow) is opened for the flow from each adjustable inlet connection (e. g. forward flow).

The respective position shall be visible and be protected against unintentional adjustment (e. g. by engaging).

A manually operated forced switch-over valve shall withstand 1 000 cycles.
Fitness-for-use test according to 5.1.2.
4.2.5 Check valve
The check valve shall prevent decrease of the fuel column.
The leakage rate shall not exceed leakage rate B of EN 12266-2.
Testing of the backseal, test P21 – EN 12266-2:2002.
A test pressure of 0,1 bar according to EN 12266-2 shall be used.
The check valve shall withstand 250 000 cycles.
Fitness-for-use test according to 5.1.3.
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oSIST prEN 12514-3:2009
prEN 12514-3:2009 (E)
4.2.6 Pressure compensating device

A pressure compensating device shall, by providing additional volume, limit the pressure build-up in defined

closed pipeline sections due to temperature related volume changes of the liquid fuel, without a draining-off of

fuel from the closed pipelines.

NOTE Reference to a method for the calculation of the pressure build-up in defined closed pipe sections can be

found in the bibliography.

The manufacturer of the pressure compensating device shall give the following information:

 minimum operating pressure p at which the pressure compensating device responds;

o,min
 maximum allowable operating pressure p (≤ p );
o,max s

 volume V which can be compensated between the minimum operating pressure p and the

p,o o,min
maximum operating pressure p .
o,max

A pressure compensating device shall be able to indicate the range between the minimum operating pressure

p and the maximum operating pressure p .
o,min o,max

A pressure compensating device shall withstand 1 000 cycles between the minimum operating pressure and

the maximum allowable operating pressure.
Fitness-for-use test according to 5.1.4 and functional test according to 5.2.
4.2.7 Discharge valve

The discharge valve shall prevent an excess of the maximum allowable pressure p or a specified operating

pressure p . It shall open at a specified pressure and remain in the open position when a pressure to be

o,max

declared is reached. If the pressure required for the opening of the discharge valve is not reached, it shall

close again to a tight seal.

Adjustable discharge valves shall be combined with a pressure gauge for the indication of the set response

pressure p . The pressure gauge is not necessary if the set response pressure p is represented by a

o,r o,r

marking with numbers. Its adjustment shall not change automatically and shall only be possible by means of

tools. Unauthorized adjustment shall be visible (e. g. by a lacquer layer or a lead seal).

The manufacturer shall give the following information:
 nominal flow rate V at nominal response pressure p in the open position;
n o,r,n
 response pressure p at which the discharge valve opens;
o,r

 nominal response pressure p at which the discharge valve is in the fully open position;

o,r,n
 lock-up pressure p at which the discharge valve closes to a tight seal.
o,l

For a safe draining-off of the liquid fuel, a pipeline connection for a return pipeline shall be provided. The

diameter of the pipeline connection at the outlet shall not be smaller than the one at the inlet.

An discharge valve shall withstand 250 000 cycles between the pressure p and the pressure p .

o,max o,l
Fitness-for-use test according to 5.1.5 and functional test according to 5.3.
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oSIST prEN 12514-3:2009
prEN 12514-3:2009 (E)
4.2.8 Pressure reducer
4.2.8.1 Design requirements for pressure reducers
4.2.8.1.1 General design of a mechanical pressure reducer
The general design of a mechanical pressure reducer is shown in Figure 1.

The schematic illustration represents an example; other construction properties are possible.

---------------------- Page: 13 ----------------------
oSIST prEN 12514-3:2009
prEN 12514-3:2009 (E)
Key
1 pressure sensing
2 closure member
3 cover
4 actuator (mechanical)
5 breather hole
Figure 1 — General design of a mechanical pressure reducer
including the essential components
4.2.8.1.2 General

The body and cover of a pressure reducer shall be so assembled as to ensure that they ca

...

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