09/30204183 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BS EN 88-1 - PRESSURE REGULATORS AND ASSOCIATED SAFETY DEVICES FOR GAS APPLIANCES - PART 1: PRESSURE REGULATORS FOR INLET PRESSURES UP TO AND INCLUDING 500 MBAR
Hardcopy , PDF
31-07-2011
English
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
4.1 Classes of control
4.2 Groups of control
4.3 Classes of control functions
5 Units of measurement and test conditions
6 Construction requirements
6.1 General
6.2 Mechanical parts of the control
6.2.1 Appearance
6.2.2 Holes
6.2.3 Breather holes
6.2.4 Test for leakage of breather holes
6.2.5 Screwed fastenings
6.2.6 Jointing
6.2.7 Moving parts
6.2.8 Sealing caps
6.2.9 Dismantling and reassembly
6.2.10 Adjustments
6.2.11 Resistance to pressure
6.2.12 Blockage of canals and orifices
6.2.13 Signal tube connections
6.3 Materials
6.3.1 General material requirements
6.3.2 Housing
6.3.3 Test for leakage of housing after removal of
non-metallic parts
6.3.4 Zinc alloys
6.3.5 Springs providing closing and/or sealing force
6.3.6 Resistance to corrosion and surface protection
6.3.7 Impregnation
6.3.8 Seals for glands for moving parts
6.4 Gas connections
6.4.1 Making connections
6.4.2 Connection sizes
6.4.3 Threads
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
6.5 Electronic parts of the control
6.6 Design against internal faults for the purpose of
functional safety
7 Performance
7.1 General
7.2 Leak tightness
7.3 Test for leak tightness
7.3.1 General
7.3.2 External leak-tightness
7.3.3 Internal leak-tightness
7.3.4 External leak-tightness for not combustion gas
signal carrying compartment(s)
7.4 Torsion and bending
7.5 Torsion and bending tests
7.6 Rated flow rate
7.7 Test for rated flow
7.7.1 Apparatus
7.7.2 Test procedure
7.7.3 Conversion of air flow rate
7.8 Durability
7.9 Performance tests for electronic controls
7.10 Long-term performance for electronic controls
7.11 Pressure regulator performance
7.11.1 General
7.11.2 General test procedure
7.11.3 Class A pressure regulator performance
7.11.4 Class B pressure regulator performance
7.11.5 Class C pressure regulator performance
7.11.6 Endurance
7.11.7 Lock-up pressure
7.11.8 Requirement for rendered inoperative pressure
regulators
7.11.9 Test for rendered inoperative pressure regulators
7.12 Pneumatic gas/air ratio pressure regulator performance
7.12.1 General
7.12.2 General test procedure
7.12.3 Control performance and stability
7.12.4 Settling time
7.12.5 Gas/air ratio adjustment
7.12.6 Offset adjustment
7.12.7 Endurance
8 EMC/Electrical requirements
8.1 Protection against environmental influences
8.2 Supply voltage variations below 85% of rated voltage
8.3 Short term voltage interruptions and decreases
8.4 Supply frequency variations
8.5 Surge immunity test
8.6 Electrical fast transient/burst
8.7 Immunity to conducted disturbances
8.8 Immunity to radiated fields
8.9 Electrostatic discharge immunity test
8.10 Power frequency magnetic field immunity test
8.11 Electrical requirements
8.11.1 General
8.11.2 Electrical equipment
9 Marking, installation and operating instructions
9.1 Marking
9.2 Installation and operating instructions
9.3 Warning notice
Annex A (informative) Gas connections in common use in the various
countries
Annex B (informative) Leak-tightness test - volumetric method
Annex C (informative) Leak-tightness test - pressure loss method
Annex D (normative) Conversion of pressure loss into leakage rate
Annex E (normative) Electrical/electronic component fault modes
Annex F (normative) Additional requirements for safety accessories
and pressure accessories as defined in EC Directive 97/23/EC
Annex G (normative) Materials for pressurized parts
Annex H (informative) Additional materials for pressurized parts
Annex I (normative) Requirements for controls used in DC supplied
gas burners and gas burning appliances
Annex J (informative) Typical pressure regulators and pressure
regulator parts
Annex K (informative) Summary of requirements and test conditions,
and examples of performance curves for pressure regulators
Annex ZA (informative) Relationship between this European Standard
and the Essential Requirements of EC Directive 90/396/EEC
relating to appliances burning gaseous fuels
Bibliography
BS EN 88-1
| Committee |
GSE/22
|
| DocumentType |
Draft
|
| Pages |
50
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| PREN 88-1 : DRAFT 2009 | Identical |
| EN ISO 228-2:2003 | Pipe threads where pressure-tight joints are not made on the threads - Part 2: Verification by means of limit gauges (ISO 228-2:1987) |
| EN 10226-2:2005 | Pipe threads where pressure tight joints are made on the threads - Part 2: Taper external threads and taper internal threads - Dimensions, tolerances and designation |
| EN 175301-803:2006 | Detail Specification: Rectangular connectors - Flat contacts, 0,8 mm thickness, locking screw not detachable |
| ISO 7005-3:1988 | Metallic flanges Part 3: Copper alloy and composite flanges |
| ISO 6708:1995 | Pipework components Definition and selection of DN (nominal size) |
| EN 161:2011+A3:2013 | Automatic shut-off valves for gas burners and gas appliances |
| EN ISO 6708:1995 | Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995) |
| EN ISO 228-1:2003 | Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation (ISO 228-1:2000) |
| ISO 262:1998 | ISO general purpose metric screw threads — Selected sizes for screws, bolts and nuts |
| ISO 7-1:1994 | Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation |
| IEC 60529:1989+AMD1:1999+AMD2:2013 CSV | Degrees of protection provided by enclosures (IP Code) |
| ISO 65:1981 | Carbon steel tubes suitable for screwing in accordance with ISO 7-1 |
| EN 13786:2004+A1:2008 | Automatic change-over valves having a maximum outlet pressure of up to and including 4 bar with a capacity of up to and including 100 kg/h, and their associated safety devices for butane, propane or their mixtures |
| EN 13785:2005+A1:2008 | Regulators with a capacity of up to and including 100 kg/h, having a maximum nominal outlet pressure of up to and including 4 bar, other than those covered by EN 12864 and their associated safety devices for butane, propane or their mixtures |
| ISO 7005-1:2011 | Pipe flanges — Part 1: Steel flanges for industrial and general service piping systems |
| EN 60529:1991/AC:2016-12 | DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015) |
| ISO 301:2006 | Zinc alloy ingots intended for castings |
| ISO 13849-1:2015 | Safety of machinery — Safety-related parts of control systems — Part 1: General principles for design |
| EN 60730-1:2016 | Automatic electrical controls - Part 1: General requirements |
| ISO 1817:2015 | Rubber, vulcanized or thermoplastic Determination of the effect of liquids |
| 1997/23/EC : 1997 | DIRECTIVE 97/23/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 29 MAY 1997 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES CONCERNING PRESSURE EQUIPMENT |
| IEC 60730-1:2013+AMD1:2015 CSV | Automatic electrical controls - Part 1: General requirements |
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