• EN 13786:2004+A1:2008

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    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

    Available format(s): 

    Superseded date:  01-06-2013

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Comite Europeen de Normalisation

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

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
      3.1 General terms and definitions
      3.2 Terms and definitions concerning gas
      3.3 Terms and definitions concerning pressures
      3.4 Terms and definitions concerning rates
    4 Types of automatic change over devices
      4.1 Introduction
      4.2 Automatic change over devices for installations
          where the final regulator supplies a pressure
          specified in EN 437
      4.3 Other automatic change over devices installation
    5 Constructional characteristics
      5.1 General
      5.2 Materials
      5.3 Special requirements
      5.4 Mechanical strength
      5.5 Soundness
      5.6 Mechanical endurance
      5.7 Resistance to humidity changes
      5.8 Resistance to corrosion
    6 Performance characteristics
      6.1 General
      6.2 Operational limit characteristics (regulation function)
      6.3 Operational limit characteristics (Change over function)
    7 Test methods
      7.1 General conditions
      7.2 Verification of constructional characteristics
      7.3 Verification of performance characteristics
    8 Marking, packaging, instructions
      8.1 General
      8.2 Marking of the device
      8.3 Packaging
      8.4 Instructions for use and maintenance
    Annex A (normative) - Special requirements for automatic
            change over devices fitted with pressure or rate
            operated safety valves
          A.1 Change over devices fitted with an over-pressure
               relief
          A.2 Automatic change over device fitted with an
               over-pressure shut off safety valve
          A.3 Automatic change over device fitted with an
               under-pressure shut off safety device
          A.4 Automatic change over devices fitted with an
               excess flow valve
          A.5 Automatic change over devices fitted with a
               regulated pressure limiter
    Annex B (normative) - Special requirements for automatic
            change over devices and automatic change over
            device systems for caravans, motor caravans or
            fresh water boats
    Annex C (normative) - Special requirements for low pressure
            automatic change over devices under extreme
            temperature conditions (temperatures below
            -20 degrees C)
    Annex D (normative) - Method for measuring leaks at test
            pressures less than or equal to 16 bar
          D.1 Scope
          D.2 Diagram of the test
          D.3 Coefficient K
          D.4 Measurement of the leak
          D.5 Checks
    Annex E (normative) - Complementary test requirements
            for non metallic thermoplastic or thermal setting
            materials used in the construction of automatic
            change over devices
          E.1 Scope
          E.2 Materials
          E.3 Special conditions for carrying out the test
               mentioned in the body of the standard
          E.4 Special requirements
          E.5 Sampling and order of tests
    Annex F (normative) - Requirements for elastomeric
             reinforced diaphgrams
    Annex G (normative) - Inlet connections
    Annex H (normative) - Outlet connections
    Annex I (normative) - Test method for resistance to
            corrosion
          I.1 Principle
          I.2 Reagents
          I.3 Apparatus
          I.4 Test method
          I.5 Results
    Annex J (normative) - Automatic change over device
            and change over device systems for LPG
            cylinders to supply appliances installed in
            seawater boats
          J.1 Scope
          J.2 General
          J.3 Maximum guaranteed rate
          J.4 Change over device and change over device
               systems fitted with a pressure relief valve
          J.5 Vent
          J.6 Connections
          J.7 Material
          J.8 Resistance to corrosion
          J.9 Marking
          J.10 Instructions for use and maintenance
    Annex ZA (informative) - Clauses of this European
              Standard addressing essential requirements
              or other provisions of EU Directives
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes the constructional and operational characteristics, the safety requirements and test methods, and the marking of automatic change over devices with a capacity of less than or equal to 100 kg/h and having a maximum regulated pressure of less than or equal to 4 bar for butane, propane or their mixtures only in the vapour phase.

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

    Committee TC 181
    Development Note 2004 Edition Re-Issued in November 2008 & incorporates AMD 1 2008. (01/2009)
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    12/30261644 DC : 0 BS EN 16436 - RUBBER AND PLASTIC HOSES AND TUBINGS FOR USE WITH PROPANE, BUTANE AND THEIR MIXTURES IN THE VAPOUR PHASE
    10/30218994 DC : 0 BS EN 15202 - LPG EQUIPMENT AND ACCESSORIES - ESSENTIAL OPERATIONAL DIMENSIONS FOR LPG CYLINDER VALVE OUTLET AND ASSOCIATED EQUIPMENT CONNECTIONS
    DIN EN 15001-1:2011-02 Gas infrastructure - Gas installation pipework with an operating pressure greater than 0,5 bar for industrial installations and greater than 5 bar for industrial and non-industrial installations - Part 1: Detailed functional requirements for design, materials, construction, inspection and testing
    PREN 88-2 : DRAFT 2014 SAFETY AND CONTROL DEVICES FOR GAS BURNERS AND GAS BURNING APPLIANCES - PART 2: PRESSURE REGULATORS FOR INLET PRESSURES ABOVE 50 KPA UP TO AND INCLUDING 500 KPA AND ASSOCIATED SAFETY DEVICES
    17/30362705 DC : 0 BS EN 15202 - LPG EQUIPMENT AND ACCESSORIES - ESSENTIAL OPERATIONAL DIMENSIONS FOR LPG CYLINDER VALVE OUTLET AND ASSOCIATED EQUIPMENT CONNECTIONS
    05/30125303 DC : DRAFT APR 2005 BS EN 15202 - LPG EQUIPMENT AND ACCESSORIES - ESSENTIAL OPERATIONAL DIMENSIONS FOR LPG CYLINDER VALVE OUTLET AND ASSOCIATED EQUIPMENT CONNECTIONS
    06/30132025 DC : DRAFT JULY 2006 EN ISO 10239 - SMALL CRAFT - LIQUEFIED PETROLEUM GAS (LPG) SYSTEMS
    BS EN 15001-1:2009 Gas infrastructure. Gas installation pipework with an operating pressure greater than 0,5 bar for industrial installations and greater than 5 bar for industrial and non-industrial installations Detailed functional requirements for design, materials, construction, inspection and testing
    13/30261510 DC : 0 BS EN ISO 10239 - SMALL CRAFT - LIQUEFIED PETROLEUM GAS (LPG) SYSTEMS
    NF EN 15001-1 : 2009 GAS INFRASTRUCTURE - GAS INSTALLATION PIPEWORK WITH AN OPERATING PRESSURE GREATER THAN 0,5 BAR FOR INDUSTRIAL INSTALLATIONS AND GREATER THAN 5 BAR FOR INDUSTRIAL AND NON-INDUSTRIAL INSTALLATIONS - PART 1: DETAILED FUNCTIONAL REQUIREMENTS FOR DESIGN, MATERIALS, CONSTRUCTION, INSPECTION AND TESTING
    09/30204183 DC : 0 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
    PREN 1949 : DRAFT 2009 SPECIFICATION FOR THE INSTALLATION OF LPG SYSTEMS FOR HABITATION PURPOSES IN LEISURE ACCOMMODATION VEHICLES AND ACCOMMODATION PURPOSES IN OTHER VEHICLES
    09/30201899 DC : 0 BS EN 1949 - SPECIFICATION FOR THE INSTALLATION OF LPG SYSTEMS FOR HABITATION PURPOSES IN LEISURE ACCOMMODATION VEHICLES AND ACCOMMODATION PURPOSES IN OTHER VEHICLES
    I.S. EN 15001-1:2009 GAS INFRASTRUCTURE - GAS INSTALLATION PIPEWORK WITH AN OPERATING PRESSURE GREATER THAN 0,5 BAR FOR INDUSTRIAL INSTALLATIONS AND GREATER THAN 5 BAR FOR INDUSTRIAL AND NON-INDUSTRIAL INSTALLATIONS - PART 1: DETAILED FUNCTIONAL REQUIREMENTS FOR DESIGN, MATERIALS, CONSTRUCTION, INSPECTION AND TESTING
    EN 15202:2012 LPG EQUIPMENT AND ACCESSORIES - ESSENTIAL OPERATIONAL DIMENSIONS FOR LPG CYLINDER VALVE OUTLET AND ASSOCIATED EQUIPMENT CONNECTIONS
    I.S. EN 15202:2012 LPG EQUIPMENT AND ACCESSORIES - ESSENTIAL OPERATIONAL DIMENSIONS FOR LPG CYLINDER VALVE OUTLET AND ASSOCIATED EQUIPMENT CONNECTIONS
    BS EN 1949 : 2011 SPECIFICATION FOR THE INSTALLATION OF LPG SYSTEMS FOR HABITATION PURPOSES IN LEISURE ACCOMMODATION VEHICLES AND ACCOMMODATION PURPOSES IN OTHER VEHICLES
    BS EN 1949:2011+A1:2013 SPECIFICATION FOR THE INSTALLATION OF LPG SYSTEMS FOR HABITATION PURPOSES IN LEISURE ACCOMMODATION VEHICLES AND ACCOMMODATION PURPOSES IN OTHER VEHICLES
    DIN EN 1949:2013-05 Specification for the installation of LPG systems for habitation purposes in leisure accommodation vehicles and accommodation purposes in other vehicles (includes Amendment A1:2013)
    DIN EN 88-1:2016-06 PRESSURE REGULATORS AND ASSOCIATED SAFETY DEVICES FOR GAS APPLIANCES - PART 1: PRESSURE REGULATORS FOR INLET PRESSURES UP TO AND INCLUDING 50 KPA
    DIN EN 88-2:2008-03 Pressure regulators and associated safety devices for gas appliances - Part 2: Pressure regulators for inlet pressures above 500 mbar up to and including 5 bar
    DIN EN 13785:2010-05 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
    BS EN 13785 : 2005 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
    UNE-EN 15001-1:2010 Gas Infrastructure - Gas installation pipework with an operating pressure greater than 0,5 bar for industrial installations and greater than 5 bar for industrial and non-industrial installations - Part 1: Detailed functional requirements for design, materials, construction, inspection and testing
    UNE-EN 1949:2011 Specification for the installation of LPG systems for habitation purposes in leisure accommodation vehicles and accommodation purposes in other vehicles
    BS EN 15202:2012 LPG EQUIPMENT AND ACCESSORIES - ESSENTIAL OPERATIONAL DIMENSIONS FOR LPG CYLINDER VALVE OUTLET AND ASSOCIATED EQUIPMENT CONNECTIONS
    BS EN 88-2:2007 Pressure regulators and associated safety devices for gas appliances Pressure regulators for inlet pressures above 500 mbar up to and including 5 bar
    DIN EN 15202 E : 2012 LPG EQUIPMENT AND ACCESSORIES - ESSENTIAL OPERATIONAL DIMENSIONS FOR LPG CYLINDER VALVE OUTLET AND ASSOCIATED EQUIPMENT CONNECTIONS
    BS EN 88-1 : 2011 PRESSURE REGULATORS AND ASSOCIATED SAFETY DEVICES FOR GAS APPLIANCES - PART 1: PRESSURE REGULATORS FOR INLET PRESSURES UP TO AND INCLUDING 50 KPA
    UNE-EN 15202:2012 LPG equipment and accessories - Essential operational dimensions for LPG cylinder valve outlet and associated equipment connections
    UNI EN 15202 : 2012 LPG EQUIPMENT AND ACCESSORIES - ESSENTIAL OPERATIONAL DIMENSIONS FOR LPG CYLINDER VALVE OUTLET AND ASSOCIATED EQUIPMENT CONNECTIONS
    I.S. EN 1949:2011 SPECIFICATION FOR THE INSTALLATION OF LPG SYSTEMS FOR HABITATION PURPOSES IN LEISURE ACCOMMODATION VEHICLES AND ACCOMMODATION PURPOSES IN OTHER VEHICLES (INCLUDING IRISH NATIONAL ANNEX)
    I.S. EN 88-1:2011 PRESSURE REGULATORS AND ASSOCIATED SAFETY DEVICES FOR GAS APPLIANCES - PART 1: PRESSURE REGULATORS FOR INLET PRESSURES UP TO AND INCLUDING 50 KPA
    UNI EN 1949 : 2013 SPECIFICATION FOR THE INSTALLATION OF LPG SYSTEMS FOR HABITATION PURPOSES IN LEISURE ACCOMMODATION VEHICLES AND ACCOMMODATION PURPOSES IN OTHER VEHICLES
    EN 88-1:2011+A1:2016 PRESSURE REGULATORS AND ASSOCIATED SAFETY DEVICES FOR GAS APPLIANCES - PART 1: PRESSURE REGULATORS FOR INLET PRESSURES UP TO AND INCLUDING 50 KPA
    DIN EN 15202:2012-09 LPG EQUIPMENT AND ACCESSORIES - ESSENTIAL OPERATIONAL DIMENSIONS FOR LPG CYLINDER VALVE OUTLET AND ASSOCIATED EQUIPMENT CONNECTIONS
    EN 1949:2011+A1:2013 SPECIFICATION FOR THE INSTALLATION OF LPG SYSTEMS FOR HABITATION PURPOSES IN LEISURE ACCOMMODATION VEHICLES AND ACCOMMODATION PURPOSES IN OTHER VEHICLES
    EN 15001-1 : 2009 GAS INFRASTRUCTURE - GAS INSTALLATION PIPEWORK WITH AN OPERATING PRESSURE GREATER THAN 0,5 BAR FOR INDUSTRIAL INSTALLATIONS AND GREATER THAN 5 BAR FOR INDUSTRIAL AND NON-INDUSTRIAL INSTALLATIONS - PART 1: DETAILED FUNCTIONAL REQUIREMENTS FOR DESIGN, MATERIALS, CONSTRUCTION, INSPECTION AND TESTING
    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
    EN 88-2 : 2007 PRESSURE REGULATORS AND ASSOCIATED SAFETY DEVICES FOR GAS APPLIANCES - PART 2: PRESSURE REGULATORS FOR INLET PRESSURES ABOVE 500 MBAR UP TO AND INCLUDING 5 BAR
    UNI EN 15001-1 : 2009 GAS INFRASTRUCTURE - GAS INSTALLATION PIPEWORK WITH AN OPERATING PRESSURE GREATER THAN 0,5 BAR FOR INDUSTRIAL INSTALLATIONS AND GREATER THAN 5 BAR FOR INDUSTRIAL AND NON-INDUSTRIAL INSTALLATIONS - PART 1: DETAILED FUNCTIONAL REQUIREMENTS FOR DESIGN, MATERIALS, CONSTRUCTION, INSPECTION AND TESTING
    UNI EN 13785 : 2009 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

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

    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
    ISO 7005-2:1988 Metallic flanges Part 2: Cast iron flanges
    EN ISO 75-3:2004/AC:2006 Plastics - Determination of temperature of deflection under load - Part 3: High-strength thermosetting laminates and long-fibre-reinforced plastics (ISO 75-3:2004)
    EN ISO 180:2000/A2:2013 PLASTICS - DETERMINATION OF IZOD IMPACT STRENGTH (ISO 180:2000/AMD 2:2013)
    ISO 527-4:1997 Plastics Determination of tensile properties Part 4: Test conditions for isotropic and orthotropic fibre-reinforced plastic composites
    EN ISO 527-4 : 1997 PLASTICS - DETERMINATION OF TENSILE PROPERTIES - PART 4: TEST CONDITIONS FOR ISOTROPIC AND ORTHOTROPIC FIBRE-REINFORCED PLASTIC COMPOSITES
    EN ISO 4892-3:2016 PLASTICS - METHODS OF EXPOSURE TO LABORATORY LIGHT SOURCES - PART 3: FLUORESCENT UV LAMPS (ISO 4892-3:2016)
    EN ISO 9773:1998/A1:2003 Plastics - Determination of burning behaviour of thin flexible vertical specimens in contact with a small-flame ignition source - Amendment 1: Specimens (ISO 9773:1998/Amd 1:2003)
    ISO 9773:1998 Plastics Determination of burning behaviour of thin flexible vertical specimens in contact with a small-flame ignition source
    ISO 565:1990 Test sieves — Metal wire cloth, perforated metal plate and electroformed sheet — Nominal sizes of openings
    EN ISO 178:2010/A1:2013 PLASTICS - DETERMINATION OF FLEXURAL PROPERTIES (ISO 178:2010/AMD 1:2013)
    EN ISO 7253 : 2001 PAINTS AND VARNISHES - DETERMINATION OF RESISTANCE TO NEUTRAL SALT SPRAY (FOG)
    EN ISO 3166-1:2014 CODES FOR THE REPRESENTATION OF NAMES OF COUNTRIES AND THEIR SUBDIVISIONS - PART 1: COUNTRY CODES (ISO 3166-1:2013)
    EN ISO 228-1 : 2003 PIPE THREADS WHERE PRESSURE-TIGHT JOINTS ARE NOT MADE ON THE THREADS - PART 1: DIMENSIONS, TOLERANCES AND DESIGNATION
    ISO 7-1:1994 Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation
    EN 437:2003+A1:2009 TEST GASES - TEST PRESSURES - APPLIANCE CATEGORIES
    ISO 180:2000 Plastics Determination of Izod impact strength
    ISO 4892-3:2016 Plastics Methods of exposure to laboratory light sources Part 3: Fluorescent UV lamps
    EN 1949:2011+A1:2013 SPECIFICATION FOR THE INSTALLATION OF LPG SYSTEMS FOR HABITATION PURPOSES IN LEISURE ACCOMMODATION VEHICLES AND ACCOMMODATION PURPOSES IN OTHER VEHICLES
    EN 12164:2016 COPPER AND COPPER ALLOYS - ROD FOR FREE MACHINING PURPOSES
    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 9227:2017 Corrosion tests in artificial atmospheres Salt spray tests
    ISO 3166-1:2013 Codes for the representation of names of countries and their subdivisions Part 1: Country codes
    EN 549 : 1994 RUBBER MATERIALS FOR SEALS AND DIAPHRAGMS FOR GAS APPLIANCES AND GAS EQUIPMENT
    EN 12165:2016 COPPER AND COPPER ALLOYS - WROUGHT AND UNWROUGHT FORGING STOCK
    ISO 301:2006 Zinc alloy ingots intended for castings
    ISO 178:2010 Plastics Determination of flexural properties
    ISO 228-1:2000 Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation
    1990/396/EEC : 1990 COUNCIL DIRECTIVE OF 29 JUNE 1990 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO APPLIANCES BURNING GASEOUS FUELS
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