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BS EN 13611:2019:2022 Edition

BS EN 13611:2019:2022 Edition

$215.11

Safety and control devices for burners and appliances burning gaseous and/or liquid fuels. General requirements

Published By Publication Date Number of Pages
BSI 2022 164
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PDF Catalog

PDF Pages PDF Title
2 undefined
13 1 Scope
14 2 Normative references
21 3 Terms and definitions
26 4 Classification
4.1 Classes of control
4.2 Groups of control
4.3 Classes of control functions
27 4.4 Types of DC supplied controls
5 Test conditions and uncertainty of measurements
5.1 Test conditions
5.2 Uncertainty of measurements
28 6 Design and construction
6.1 General
6.2 Mechanical parts of the control
6.2.1 Appearance
6.2.2 Holes
29 6.2.3 Breather holes
6.2.3.1 Requirements
6.2.3.2 Test for leakage of breather holes
6.2.4 Screwed fastenings
6.2.5 Jointing
30 6.2.6 Moving parts
6.2.7 Sealing caps
6.2.8 Dismantling and reassembly
6.2.9 Auxiliary canals and orifices
6.2.10 Presetting device
31 6.3 Materials
6.3.1 General material requirements
6.3.2 Housing
6.3.2.1 Requirements
6.3.2.2 Test
6.3.3 Zinc alloys
6.3.3.1 Requirements
32 6.3.3.2 Test
6.3.4 Springs
6.3.5 Resistance to corrosion and surface protection
6.3.6 Impregnation
6.3.7 Seals for glands for moving parts
6.4 Gas Connections
6.4.1 Making connections
6.4.2 Connection sizes
34 6.4.3 Threads
6.4.4 Union joints
6.4.5 Flanges
35 6.4.6 Compression fittings
6.4.7 Nipples for pressure test
6.4.8 Strainers
6.5 Electrical parts of the control
6.5.1 General
6.5.2 Switching elements
6.5.2.1 Requirements
36 6.5.2.2 Test of protecting measures against failure of switching elements
6.5.3 Electrical components
6.5.3.1 Performance of electrical components
6.5.3.2 Tests
37 6.5.3.3 Sensing element
6.5.3.4 Gas controls employing electrical components in the gas circuit
40 6.6 Protection against internal faults for the purpose of functional safety
6.6.1 Design and construction requirements
6.6.1.1 Fault avoidance and fault tolerance
41 6.6.1.2 Lock-out function
6.6.1.3 Reset device
6.6.1.4 Design documentation
42 6.6.2 Class A
6.6.3 Class B
6.6.3.1 Design and construction requirements
6.6.3.2 First fault
43 6.6.3.3 Fault introduced during lock-out or safety- shutdown
6.6.4 Class C
6.6.4.1 Design and construction requirements
6.6.4.2 First fault
44 6.6.4.3 Second fault
6.6.4.4 Faults during lock-out or safety-shutdown
45 6.6.5 Circuit and construction evaluation
6.6.5.1 Test conditions
6.6.5.2 Test criteria
46 6.6.5.3 Assessment
7 Performance
7.1 General
7.2 Leak-tightness
7.2.1 Requirements
47 7.2.2 Tests
7.2.2.1 General
7.2.2.2 External leak-tightness
7.2.2.3 Internal leak-tightness
48 7.3 Torsion and bending
7.3.1 General
7.3.2 Torsion and bending moments
7.3.2.1 Requirements
49 7.3.2.2 Tests
52 7.4 Rated flow rate
7.4.1 Requirement
7.4.2 Test
54 7.4.3 Conversion of air flow rate
7.5 Durability
7.5.1 Elastomers in contact with gas
7.5.2 Durability of marking
7.5.2.1 Requirements
7.5.2.2 Tests
7.5.3 Resistance to scratching
7.5.3.1 Requirement
7.5.3.2 Test
55 7.5.4 Resistance to humidity
7.5.4.1 Requirements
7.5.4.2 Test
7.5.5 Lubricants in contact with gas
56 7.6 Performance tests for electronic controls
7.6.1 At ambient temperature
7.6.2 At minimum temperature
7.6.3 At maximum temperature
7.7 Long-term performance for electronic controls
7.7.1 General
7.7.2 Stress test
7.7.2.1 Thermal stress test
57 7.7.2.2 Vibration test
58 7.7.3 Long-term performance tests
7.8 Data exchange
7.8.1 General
7.8.2 Type of data
59 7.8.3 Communication of safety related data
7.8.3.1 Transmission
60 7.8.3.2 Access to data exchange
61 8 Electrical requirements
8.1 General
8.2 Protection by enclosure
9 Electromagnetic compatibility (EMC)
9.1 Protection against environmental influences
9.2 Supply voltage variations below 85 % of rated voltage
62 9.3 Voltage dips and interruptions
9.4 Supply frequency variations
9.5 Surge immunity tests
63 9.6 Electrical fast transient/burst
9.7 Immunity to conducted disturbances induced by radio frequency fields
9.8 Immunity to radiated disturbances induced by radio frequency fields
9.9 Electrostatic discharge tests
9.10 Power frequency magnetic field immunity tests
9.11 Harmonics and interharmonics including mains signalling at a. c. power port, low frequency immunity tests
10 Marking, instructions
10.1 Marking
10.2 Instructions
64 10.3 Warning Notice
65 Annex A (informative)Abbreviations and Symbols
68 Annex B (informative)Leak-tightness tests for gas controls — volumetric method
70 Annex C (informative)Leak-tightness tests for gas controls — pressure loss method
72 Annex D (normative)Calculation of pressure loss into leakage rate
73 Annex E (normative)Electrical/electronic component fault modes
77 Annex F (normative)Additional requirements for safety accessories and pressure accessories as defined in EU Directive 2014 /68/EU
85 Annex G (normative)Materials for pressurized parts
87 Annex H (normative)Additional materials for pressurized parts
96 Annex I (normative)Requirements for controls used in DC supplied burners and appliances burning gaseous or liquid fuels
99 Annex J (normative)Method for the determination of a Safety integrity level (SIL)
100 J.4 Symbols
J.5 Special requirements to determine a Safety Integrity Level (SIL)
J.5.1 Functional safety
101 J.5.2 Management of functional safety
J.5.2.1 Methods of fault prevention
J.5.2.2 Functional Safety Management System
104 J.5.2.3 Specification of safety requirements
105 J.5.2.4 Design and development
J.5.2.5 Integration
J.5.2.6 Validation
106 J.5.2.7 Operation and maintenance
J.5.2.8 Information to the appliance manufacturer
107 J.5.3 Software requirements
J.5.4 Hardware requirements
J.5.4.1 General
127 Annex K (normative)Method for the determination of a Performance Level (PL)
128 K.4 Performance
K.4.1 Operation mode
129 K.4.2 PL and field data evaluation
K.4.3 Hardware failure tolerance (HFT)
K.4.4 Common cause failure (CCF)
K.4.4.1 General
K.4.4.2 Estimation of effect of CCF
130 K.4.5 Safe failure fraction (SFF)
K.4.5.1 Failure effects are classified as follows
131 K.4.6 Determination of the B10d value
K.4.6.1 Requirements
133 K.4.6.2 Tests
135 K.4.7 Determination of performance level (PL)
K.4.8 PFHD values for structures consisting of two controls
136 K.5 Marking, instructions
137 Annex L (informative)Relationship between Safety Integrity Level (SIL) andPerformance Level (PL)
138 Annex M (normative)Reset functions
M.4 Classification
M.5 Units of measurement and test conditions
M.6 Construction requirements
M.6.1 General
139 M.6.2 Mechanical parts of the control
M.6.3 Materials
M.6.4 Gas Connections
M.6.5 Electrical parts of the control
M.6.6 Protection against internal faults for the purpose of functional safety
M.7 Performance
M.7.1 General
140 M.7.2 Leak-tightness
M.7.3 Torsion and bending
M.7.4 Rated flow rate
M.7.5 Durability
M.7.6 Performance tests for electronic controls
M.7.7 Long-term performance for electronic controls
M.7.8 Data exchange
M.8 Electrical requirements
M.9 Electromagnetic compatibility (EMC)
M.10 Marking, instructions
M.10.1 Marking
M.10.2 Instructions
141 Annex N (informative)Guidance document on Environmental Aspects
144 Annex O (normative)Seals of elastomer, cork and synthetic fibre mixtures
O.3 Terms and Definitions
O.4 Materials
O.4.1 General
145 O.4.2 Thickness tolerances
O.4.2.1 Requirements
O.4.2.2 Thickness tests
O.5 Performance
O.5.1 Cork/Elastomer/Synthetic fibres material in contact with gas
O.5.1.1 Initial performance of seal material
149 O.5.1.2 Performance after ageing
O.5.1.3 Performance after immersion and drying
151 Annex ZA (informative)Relationship between this European Standard and the essential requirements of Directive 2009/142/EC aimed to be covered
154 Annex ZB (informative)Relationship between this European Standard and the essential requirements of Regulation (EU) 2016/426 aimed to be covered
157 Annex ZC (informative)Relationship between this European Standard and the essential requirements of Directive 2014/68/EU aimed to be covered

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BS EN 13611:2019
$215.11