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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    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

    Available format(s):  Hardcopy, PDF

    Superseded date:  31-07-2011

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    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

    General Product Information - (Show below) - (Hide below)

    Comment Closes On
    Committee GSE/22
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    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
    EN 12864:2001/A3:2009 LOW-PRESSURE, NON ADJUSTABLE REGULATORS HAVING A MAXIMUM OUTLET PRESSURE OF LESS THAN OR EQUAL TO 200 MBAR, WITH A CAPACITY OF LESS THAN OR EQUAL TO 4 KG/H, AND THEIR ASSOCIATED SAFETY DEVICES FOR BUTANE, PROPANE OR THEIR MIXTURES
    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)
    EN ISO 228-1 : 2003 PIPE THREADS WHERE PRESSURE-TIGHT JOINTS ARE NOT MADE ON THE THREADS - PART 1: DIMENSIONS, TOLERANCES AND DESIGNATION
    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)
    EN 13611:2015/AC:2016 SAFETY AND CONTROL DEVICES FOR BURNERS AND APPLIANCES BURNING GASEOUS AND/OR LIQUID FUELS - GENERAL REQUIREMENTS
    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 (IEC 60730-1:2013, MODIFIED + COR1:2014)
    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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