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  • BS EN 12952-8:2002 (published 2002-06)

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    Water-tube boilers and auxiliary installations Requirements for firing systems for liquid and gaseous fuels for the boiler

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  13-06-2002

    Publisher:  British Standards Institution

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

    Foreword
    1 Scope
      1.1 Firing systems
      1.2 Fuels
      1.3 Operation
    2 Normative references
    3 Terms and definitions
    4 Fuel supply
      4.1 General
      4.2 Fuel transfer and preparation
      4.3 Fuel lines
      4.4 Safety shut-off devices (Safety trip valves)
    5 Equipment for air supply and flue gas discharge
      5.1 Air supply
      5.2 Air/fuel ratio
      5.3 Flue gas discharge
    6 Firing system
      6.1 Burners
      6.2 Flue gas recirculation
      6.3 Control and monitoring
      6.4 Electrical equipment
      6.5 Safety precautions
      6.6 Common stack for several firing systems
    7 Operating manual
    8 Particular requirements for firing systems burning gaseous
      fuels with high relative density
      8.1 Main firing systems
      8.2 Ignition burner systems
    Annex A (normative) Chemical recovery boiler (black liquor
             boiler)
          A.1 General
          A.2 Additional requirements for the firing system for
              black liquor in the chemical recovery boiler
          A.3 Special requirements for oil- or gas-firing for
              chemical recovery boilers
    Annex B (informative) Operational requirements for permanent
             supervised firing systems for liquid and gaseous fuels
          B.1 General
          B.2 Operation
          B.3 Fuel preparation
          B.4 Safety shutoff devices
          B.5 Air/fuel ratio
          B.6 Modification of firing, burner or air/fuel
               ratio setting
          B.7 Control and monitoring
          B.8 Purging, start-up and shut down
          B.9 Emergency operation
          B.10 Operating and maintenance instructions
          B.11 Firing systems burning gaseous fuels with relative
               density
    Annex ZA (informative) Clauses of this European Standard
             addressing essential safety requirements or other
             provisions of the Pressure Equipment Directives
    Bibliography

    Abstract - (Show below) - (Hide below)

    Gives requirements, for oil and gas firing systems of steam boilers and hot water generators as defined in EN 12952-1.

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

    Committee PVE/2
    Development Note Supersedes 98/716514 DC (07/2002)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    EN 676:2003+A2:2008/AC:2008 AUTOMATIC FORCED DRAUGHT BURNERS FOR GASEOUS FUELS
    EN 13480-2:2017 (edition 2) Metallic industrial piping - Part 2: Materials
    EN 751-3:1996/AC:1997 Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 3: Unsintered PTFE tapes
    EN 264 : 1991 SAFETY SHUT OFF DEVICES FOR COMBUSTION PLANTS USING LIQUID FUELS - SAFETY REQUIREMENTS AND TESTING
    ISO 6976:2016 Natural gas Calculation of calorific values, density, relative density and Wobbe indices from composition
    EN 293 : 1992 OIL PRESSURE ATOMIZING NOZZLES - MINIMUM REQUIREMENTS - TESTING
    EN 225 : 1987 ATOMIZING OIL BURNERS - PUMPS WITH ROTATING SHAFT & EXTERNAL DRIVE - DIMENSIONS
    EN 751-2 : 1996 SEALING MATERIALS FOR METALLIC THREADED JOINTS IN CONTACT WITH 1ST, 2ND AND 3RD FAMILY GASES AND HOT WATER - NON-HARDENING JOINTING COMPOUNDS
    PREN 50156-1 : DRAFT 2012 ELECTRICAL EQUIPMENT FOR FURNACES AND ANCILLARY EQUIPMENT - PART 1: REQUIREMENTS FOR APPLICATION DESIGN AND INSTALLATION
    ISO 7-2:2000 Pipe threads where pressure-tight joints are made on the threads Part 2: Verification by means of limit gauges
    EN 161:2011+A3:2013 AUTOMATIC SHUT-OFF VALVES FOR GAS BURNERS AND GAS APPLIANCES
    EN 267:2009+A1:2011 AUTOMATIC FORCED DRAUGHT BURNERS FOR LIQUID FUELS
    EN 1044 : 1999 BRAZING - FILLER METALS
    EN 12952-1:2015 WATER-TUBE BOILERS AND AUXILIARY INSTALLATIONS - PART 1: GENERAL
    ISO 7-1:1994 Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation
    ISO 3677:2016 Filler metal for soldering and brazing Designation
    IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    EN 230 : 2005 AUTOMATIC BURNER CONTROL SYSTEMS FOR OIL BURNERS
    IEC 60730-2-5:2013+AMD1:2017 CSV Automatic electrical controls - Part 2-5: Particular requirements for automatic electrical burner control systems
    EN 751-1 : 1996 SEALING MATERIALS FOR METALLIC THREADED JOINTS IN CONTACT WITH 1ST, 2ND AND 3RD FAMILY GASES AND HOT WATER - ANAEROBIC JOINTING COMPOUNDS
    EN 298:2012 AUTOMATIC BURNER CONTROL SYSTEMS FOR BURNERS AND APPLIANCES BURNING GASEOUS OR LIQUID FUELS
    EN 88:1991/A1:1996 PRESSURE GOVERNORS FOR GAS APPLIANCES FOR INLET PRESSURE UP TO 200 MBAR
    EN 226:1987/AC1:1987 Atomizing oil burners - Connecting dimensions between burners and heat generators
    EN 299 : 2009 OIL PRESSURE ATOMIZING NOZZLES - DETERMINATION OF THE ANGLE AND SPRAY CHARACTERISTICS
    ISO 228-1:2000 Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation
    EN 12952-5:2011 WATER-TUBE BOILERS AND AUXILIARY INSTALLATIONS - PART 5: WORKMANSHIP AND CONSTRUCTION OF PRESSURE PARTS OF THE BOILER
    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
    EN 287-1:2011 QUALIFICATION TEST OF WELDERS - FUSION WELDING - PART 1: STEELS
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