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BS EN 1854:2022:2023 Edition

BS EN 1854:2022:2023 Edition

$152.82

Safety and control devices for burners and appliances burning gaseous and/or liquid fuels. Pressure sensing devices for gas burners and gas burning appliances

Published By Publication Date Number of Pages
BSI 2023 64
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EN 13611:2019, Clause 1 applies with the following modification: Modification: The 1st paragraph of EN 13611:2019, Clause 1 is replaced by: This document specifies the safety, design, construction, and performance requirements and testing of pressure sensing devices for burners and appliances burning one or more gaseous fuels. This document is applicable to pressure sensing devices for gaseous fuels, air, or combustion products with declared maximum inlet pressures up to and including 500 kPa. It applies to all types of pressure sensing devices, including electronic, differential and inferential types. It also specifies requirements for pressure sensing devices which are intended to be applied to steam boilers and as such need to meet increased reliability requirements. EN 13611:2019 Clause 1, 4th paragraph is not applicable.

PDF Catalog

PDF Pages PDF Title
2 undefined
10 1 Scope
2 Normative references
11 3 Terms and definitions
17 Classification
4.1 Classes of control
4.2 Groups of control
18 4.3 Classes of control functions
4.4 Types of DC supplied controls
Test conditions and uncertainty of measurements
Design and construction
6.1 General
6.2 Mechanical parts of the control
Appearance
6.2.2 Holes
6.2.3 Breather holes
6.2.3.1 Requirements
19 6.2.3.2 Test for leakage of breather holes
6.2.4 Screwed fastenings
6.2.5 Jointing
6.2.6 Moving parts
6.2.7 Sealing caps
Dismantling and reassembly
6.2.9 Auxiliary canals and orifices
6.2.10 Presetting device
Manual reset
6.2.102 Sensed medium
6.2.103 PSD-S
20 Materials
General material requirements
Housing
6.3.2.1 Requirements
6.3.2.2 Test
21 6.3.3 Zinc alloys
6.3.4 Springs
Resistance to corrosion and surface protection
Impregnation
Seals for glands for moving parts
6.3.101 Plastics materials
Gas connections
6.4.1 Making connections
6.4.2 Connection sizes
6.4.3 Threads
22 6.4.4 Union joints
6.4.5 Flanges
6.4.6 Compression fittings
6.4.7 Nipples for pressure test
6.4.8 Strainers
Connections for PSDs specified for air and combustion products
6.5 Electrical parts of the control
6.5.1 General
6.5.2 Switching elements
6.5.3 Electrical components
6.5.3.1 Performance of electrical components
23 6.5.3.2 Tests
6.5.3.3 Sensing element
6.5.3.4 Gas controls employing electrical components in the gas circuit
6.6 Protection against internal faults for the purpose of functional safety
6.6.1 Design and construction requirements
6.6.2 Class A
6.6.3 Class B
6.6.3.1 Design and construction requirements
6.6.3.2 First fault
6.6.3.3 Fault introduced during lock-out or safety-shutdown
24 6.6.4 Class C
6.6.4.1 Design and construction requirements
6.6.4.2 First fault
6.6.4.3 Second fault
6.6.4.4 Fault introduced during lock-out or safety-shutdown
6.6.5 Circuit and construction evaluation
Performance
7.1 General
25 Leak-tightness
7.2.1 Requirements
7.2.2 Tests
General
External leak-tightness
7.2.2.3 Internal leak-tightness
7.2.2.4 Burst pressure test (only applicable for PSD-S)
26 7.3 Torsion and bending
7.3.1 General
7.3.2 Torsion and bending moments
7.3.2.1 Requirements
7.3.2.2 Tests
27 7.4 Rated flow rate
7.5 Durability
7.5.1 Elastomers in contact with gas
7.5.2 Durability of marking
7.5.3 Resistance to scratching
7.5.4 Resistance to humidity
7.5.5 Lubricants in contact with gas
7.6 Performance tests for electronic controls
7.7 Long-term performance for electronic controls
7.7.1 General
7.7.2 Stress test
7.7.2.1 Thermal stress test
28 7.7.2.2 Vibration test
7.7.3 Long-term performance tests
7.8 Data exchange
29 Function of the PSD
7.101.1 MPSD
7.101.1.1 General
7.101.1.2 Deviation
7.101.1.3 Drift
30 7.101.1.4 Hysteresis
7.101.2 EPSD
7.101.2.1 General
31 7.101.2.2 Resolution
7.101.2.3 Repeatability
32 7.101.2.4 Hysteresis
7.101.2.5 Drift
7.101.2.6 Temperature sensitivity
7.101.2.7 Linearity
33 7.101.2.8 Transfer ratio
7.101.2.9 Offset
7.101.2.10 Supply voltage variations
34 7.101.2.11 Response time
7.101.3 Endurance
7.101.3.1 MPSD
35 7.101.3.2 EPSD
8 Electrical requirements
8.1 General
36 8.2 Protection by enclosure
9 Electromagnetic compatibility (EMC)
9.1 Protection against environmental influences
38 9.2 Supply voltage variations below 85 % of rated voltage
9.3 Voltage dips and interruptions
9.4 Supply frequency variations
9.5 Surge immunity tests
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
39 9.10 Power frequency magnetic field immunity tests
9.11 Harmonics and interharmonics including mains signalling at AC power port, low frequency immunity tests
10 Marking, instructions
Marking
40 10.2 Instructions
Warning notice
41 Annex A (informative)Abbreviations and Symbols
42 Annex B (informative)Leak-tightness test for gas controls – volumetric method
43 Annex C (informative)Leak-tightness test for gas controls – pressure loss method
44 Annex D (normative)Calculation of pressure loss into leakage rate
45 Annex E (normative)Electrical/electronic component fault modes
46 Annex F (normative)Additional requirements for safety accessories and pressure accessories as defined in EU Directive 2014/68/EU
47 Annex G (normative)Materials for pressurized parts
48 Annex H (normative)Additional materials for pressurized parts
49 Annex I (normative)Requirements for controls used in DC supplied gas burners and appliances burning gaseous or liquid fuels
50 Annex J (normative)Method for the determination of a Safety integrity level (SIL)
51 Annex K (normative)Method for the determination of a Performance Level (PL)
52 Annex L (informative)Relationship between Safety Integrity Level (SIL) and Performance Level (PL)
53 Annex M (normative)Reset functions
54 Annex N (informative)Guidance document on Environmental Aspects
55 Annex O (normative)Seals of elastomer, cork and synthetic fibre mixtures
56 Annex AA (normative)Declaration for EPSDs
57 Annex ZA (informative)Relationship between this European Standard and the essential requirements of EU Directive 2009/142/EC aimed to be covered
58 Annex ZB (informative)Relationship between this European Standard and the essential requirements of Regulation (EU) 2016/426 aimed to be covered
62 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 1854:2022
$152.82