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BS EN 437 : 2003

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

TEST GASES - TEST PRESSURES - APPLIANCE CATEGORIES
Available format(s)

Hardcopy , PDF

Superseded date

12-12-2018

Language(s)

English

Published date

01-01-2003

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Gases
  4.1 Classification
  4.2 Test gases
5 Test pressures
6 Classification of appliances
  6.1 Appliance categories
      6.1.1 General
      6.1.2 Category I
      6.1.3 Category II
      6.1.4 Category III
  6.2 Operations permitted for a change of gas or
      pressure, adjustment and regulating devices
7 Choice of test gases and test pressures
8 Marking
Annex A (normative) - Conditions for preparation of
         the test gases
Annex B (informative) - National situations
      B.1 General
      B.2 Categories listed in the body of the standard
          marketed in the different countries
      B.3 Appliance supply pressures corresponding to
          the categories given in B.1 and B.2
      B.4 Special categories marketed nationally or
          locally
      B.5 Test gases and test pressures corresponding
          to the special categories given in B.4
      B.6 Special conditions
Annex C (informative) - Guidelines for extension to
        other categories
Annex D (informative) - National situation of countries
        whose national bodies are CEN affiliate members
      D.1 General
      D.2 Categories listed in the body of the standard
          and marketed in the different countries
Bibliography

Describes the test gases, test pressures and categories of appliances relative to the use of gaseous fuels of the first, second and third families.

Committee
GSE/26
DevelopmentNote
Supersedes BS 4947(1984) and 91/70912 DC (12/2000) 1994 version remains current. Supersedes 00/713902 DC. (06/2003) 2003 Edition Re-Issued in May 2009 & incorporates AMD 1 2009. Supersedes 07/30158888 DC. (06/2009)
DocumentType
Standard
Pages
46
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

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02/714116 DC : DRAFT DEC 2002 BS 6230:1991 - INSTALLATION OF GAS-FIRED FORCED CONVECTION AIR CONVECTION AIR HEATERS FOR COMMERCIAL AND INDUSTRIAL SPACE HEATING (2ND AND 3RD FAMILY GASES)
BS EN 751-3:1997 Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water Unsintered PTFE tapes
BS 8499:2017 Specification for domestic gas meter boxes and meter bracket
BS 7977-1(2009) : 2009 SPECIFICATION FOR SAFETY AND RATIONAL USE OF ENERGY OF DOMESTIC GAS APPLIANCES - PART 1: RADIANT/CONVECTORS
BS 6400-1:2016 Specification for installation, exchange, relocation, maintenance and removal of gas meters with a maximum capacity not exceeding 6 m<sup>3</sup>/h Low pressure (2nd family gases)
BS 6400-1:2006 Specification for installation, exchange, relocation and removal of gas meters with a maximum capacity not exceeding 6 m<sup>3</sup>/h Low pressure (2nd family gases)
BS 8499:2009 Specification for domestic gas meter boxes and meter bracket
14/30283904 DC : 0 BS 4250 - SPECIFICATION FOR COMMERCIAL BUTANE AND COMMERCIAL PROPANE
PD 5482-3:2005 Code of practice for domestic butane and propane gas-burning installations Installations in boats, yachts and other vessels
11/30229801 DC : 0 BS 6644 - SPECIFICATION FOR THE INSTALLATION OF GAS-FIRED HOT WATER BOILERS OF RATED INPUTS BETWEEN 70 KW (NET) AND 1.8 MW (NET) (2ND AND 3RD FAMILY GASES)
BS 6896:2011 Specification for installation and maintenance of gas-fired overhead radiant heaters for industrial and commercial heating (2nd and 3rd family gases)
BS PAS 67(2008) : 2008 LABORATORY TESTS TO DETERMINE THE HEATING AND ELECTRICAL PERFORMANCE OF HEAT-LED MICRO-COGENERATION PACKAGES PRIMARILY INTENDED FOR HEATING DWELLINGS
BS 5482-3:1999 Domestic butane- and propane-gas-burning installations Installations in boats, yachts and other vessels
BS 5991:2006 Specification for indirect gas fired forced convection air heaters with rated heat inputs greater than 330 kW but not exceeding 2 MW for industrial and commercial space heating. Safety and performance requirements (excluding electrical requirements) (2nd family gases)
BS 6230:2005 Specification for installation of gas-fired forced convection air heaters for commercial and industrial space heating (2nd and 3rd family gases)
BS 6644(2005) : 2005 SPECIFICATION FOR INSTALLATION OF GAS-FIRED HOT WATER BOILERS OF RATED INPUTS BETWEEN 70 KW (NET) AND 1.8 MW (NET) (2ND AND 3RD FAMILY GASES)
BS 6891:2015 Specification for the installation and maintenance of low pressure gas installation pipework of up to 35 mm (R1¼) on premises
BS PD8010-1(2015) : 2015 PIPELINE SYSTEMS - PART 1: STEEL PIPELINES ON LAND - CODE OF PRACTICE
BS 5990:2006 Specification for direct gas-fired forced convection air heaters with rated heat inputs greater than 330 kW but not exceeding 2 MW for industrial and commercial space heating. Safety and performance requirements (excluding electrical requirements) (2nd family gases)
BS 6644:2011 Specification for the installation and maintenance of gas-fired hot water boilers of rated inputs between 70 kW (net) and 1.8 MW (net) (2nd and 3rd family gases)
BS 6230:2011 Specification for installation of gas-fired forced convection air heaters for commercial and industrial space heating (2nd and 3rd family gases)
BS 6891(2005) : 2005 INSTALLATION OF LOW PRESSURE GAS PIPEWORK OF UP TO 35 MM (R1[1/4]) IN DOMESTIC PREMISES (2ND FAMILY GAS) - SPECIFICATION
BS 6896:2005 Specification for installation of gas-fired overhead radiant heaters for industrial and commercial heating (2nd and 3rd family gases)
BS 7977-2:2003 Specification for safety and rational use of energy of domestic gas appliances Combined appliances. Gas fire/back boiler
PD 54823:2016 Guidance for the design, commissioning and maintenance of LPG systems in small craft
10/30213423 DC : 0 BS 8537 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - SPECIFICATION FOR FITTINGS WITH PRESS ENDS FOR METALLIC TUBES
BS 4250:1997 Specification for commercial butane and commercial propane
BS 4250:2014 Specification for commercial butane and commercial propane
11/30229803 DC : 0 BS 6230 - SPECIFICATION FOR INSTALLATION OF GAS-FIRED FORCED CONVECTION AIR HEATERS FOR COMMERCIAL AND INDUSTRIAL SPACE HEATING (2ND AND 3RD FAMILY GASES)
BS 6400-2:2006 Specification for installation, exchange, relocation and removal of gas meters with a maximum capacity not exceeding 6 m<sup>3</sup>/h Medium pressure (2nd family gases)
05/30086662 DC : DRAFT JAN 2005 BS 6400-2 - SPECIFICATION FOR THE INSTALLATION, EXCHANGE, RELOCATION AND REMOVAL OF DOMESTIC-SIZED GAS METERS (2ND AND 3RD FAMILY GASES) - PART 2: MEDIUM PRESSURE (2ND FAMILY GASES)
10/30218901 DC : 0 BS 6896 - SPECIFICATION FOR INSTALLATION OF GAS-FIRED OVERHEAD RADIANT HEATERS FOR INDUSTRIAL AND COMMERCIAL HEATING (2ND AND 3RD FAMILY GASES)
05/30116741 DC : DRAFT JUNE 2005 BS 6891 - INSTALLATION OF LOW PRESSURE GAS PIPEWORK OF UP TO 35 MM (R1$9D) IN DOMESTIC PREMISES (2ND FAMILY GAS) - SPECIFICATION
14/30281818 DC : 0 BS 6400-1 - SPECIFICATION FOR INSTALLATION, EXCHANGE, RELOCATION, MAINTENANCE AND REMOVAL OF GAS METERS WITH A MAXIMUM CAPACITY NOT EXCEEDING 6 M[3]/H - PART 1: LOW PRESSURE (2ND FAMILY GASES)
BS 7977-1:2002 Specification for safety and rational use of energy of domestic gas appliances Radiant/convectors
95/717426 DC : DRAFT JAN 1996 SPECIFICATION FOR DOMESTIC GAS FIRED HEATING APPLIANCES - PART 2: COMBINED APPLIANCES - GAS FIRE/BACK BOILER
BS 6400-1:2002 Specification for installation of domestic-sized gas meters maximum rated capacity not exceeding 6 m<sup>3</sup>/h (2nd and 3rd family gases) Low pressure (2nd family gases)
BS 6400-3:2007 Specification for installation, exchange, relocation and removal of gas meters with a maximum capacity not exceeding 6 m<sup>3</sup>/h Low and medium pressure (3rd family gases)
09/30160438 DC : DRAFT JAN 2009 BS 8499 - SPECIFICATION FOR DOMESTIC GAS METER BOXES AND METER BRACKET
03/310868 DC : DRAFT JUNE 2003 BS 6644 - SPECIFICATION FOR INSTALLATION OF GAS-FIRED HOT WATER BOILERS OF RATED INPUTS BETWEEN 70KW (NET) AND 2MW (GROSS) (2ND AND 3RD FAMILY GASES)
BS EN 751-2:1997 Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water Non-hardening jointing compounds

EN ISO 13443:2005 Natural gas - Standard reference conditions (ISO 13443:1996 including Corrigendum 1:1997)
ISO 6976:2016 Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition
EN ISO 3166-1:2014 Codes for the representation of names of countries and their subdivisions - Part 1: Country codes (ISO 3166-1:2013)
ISO 13443:1996 Natural gas Standard reference conditions
ISO 3166-1:2013 Codes for the representation of names of countries and their subdivisions Part 1: Country codes
EN ISO 6976:2016 Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016)

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