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BS 6400-1-2006 Specification for installation, exchange, relocation and removal of gas meters with a maximum capacity not exceeding 6 m3/h - Low pressure (2nd family gases)

Standard Number:  BS 6400-1-2006
Title:  Specification for installation, exchange, relocation and removal of gas meters with a maximum capacity not exceeding 6 m3/h - Low pressure (2nd family gases)
Language:  English
Publication Date:  2006/7/31
Execute Date:  2006/7/31
Adopted International Standard:  BS 21, BS 476-7:1997, BS 746:2005, BS 6891:2005, BS 7671, BS EN 1359, BS EN ISO 10380, BS EN 60079-10:2003, DD ENV 14236, DTI Gas Suppliers Licence. Standard Conditions:2001, IGEM IGE/UP/1B:2006, IGEM PRS 3/E:2004, IGEM PRS 6/E:2004, BS 1553-1, BS 4161-3, BS 4161-5, BS 4781, BS 6004, BS 6007, BS 6231, BS EN 437, BS EN 1775, BS EN 12279, OFGEM COP/1a:1998, Gas Safety (Installation and Use) Regulations 1998, Gas Safety (Installation and Use) Regulations (Northern Ireland) 2004, Gas Safety (Application) Order (Isle of Man) 1996, Gas Meters (Information on Connection and Disconnection) Regulations 1996, Gas Safety (Management) Regulations 1996, Gas Safety (Management) Regulations (Northern Ireland) 1997, Gas (Meters) Regulations 1983, Building Regulations 2000, Building (Scotland) Regulations 2004, Building Regulations (Northern Ireland) 2000, Measuring Instruments (EEC Requirements) (Gas Volume Meters) Regulations 1988, IGEM IGE/TD/4:1994, Gas Act 1986, IGEM IGE/GM/6:1996, IGEM IGE/GM/7:2004, HSC L56:1998, IGEM IGE/SR/25:2000, IGEM IGE/G/5:2006, Dangerous Substances and Explosive Atmosphere Regulations 2002
Status:  Current
International Classification for Standards (ICS)CONSTRUCTION MATERIALS AND BUILDING>>Installations in buildings>>Gas supply systems
Publisher:  British Standards
Price:  
Number of Pages:46P.;A4   

Preface:Gas-supply meters, Domestic, Volume flowmeters, Flowmeters, 2nd family gases, Flow rates, Pressure, Safety measures, Control devices, Size, Position, Buildings, Installation, Exchange  
Description:This standard specifies requirements for the installation, exchange, relocation and removal of credit or prepayment diaphragm and ultrasonic gas meters with a maximum capacity not exceeding 6 m3/h. NOTE 1 For the purposes of this standard, installation includes design, inspection and commissioning. It is recognized that each of these tasks can be performed by the same person. This part of BS 6400 is applicable to primary and secondary meter installations: a) supplied with 2nd family gases from low pressure gas distribution systems with a maximum operating pressure not exceeding 75 mbar, a design minimum pressure of 19 mbar and a design maximum incidental pressure of 200 mbar; b) only fitted downstream of the emergency control valve; c) that utilizes a primary meter regulator downstream of the emergency control valve; d) where the operating pressure at the outlet of the meter is nominally 21 mbar. NOTE 2 Low pressure gas networks in Great Britain operate with a maximum operating pressure not exceeding 75 mbar, a design minimum pressure of 19 mbar and a design maximum incidental pressure of 200 mbar. Installation pipework is specified in BS 6891. Service pipes (including the emergency control valve) are specified in the Institution of Gas Engineers and Managers’ publication on gas services, IGE/TD/4 [13]. NOTE 3 All pressures quoted in this standard are gauge pressures and all pressure absorption values are for natural gas unless otherwise specified. NOTE 4 Additional guidance on domestic gas systems can be found in the European functional standards BS EN 1775 and BS EN 12279.  
Overview: BS 6400-1:2006 specifies requirements for the installation, exchange, relocation and removal of credit or prepayment diaphragm and ultrasonic gas meters with a maximum capacity not exceeding 6 m3/h.This new edition represents a full revision of the standard; uses more up-to-date gas industry terminology, and provides additional information on the installation, exchange, relocation and removal of gas meters with a maximum capacity not exceeding 6 m3/h supplied from low pressure 2nd family gas networks.This part of BS 6400 is applicable to primary and secondary meter installations:Supplied with 2nd family gases from low pressure gas distribution systems with a maximum operating pressure not exceeding 75 mbar, a design minimum pressure of 19 mbar and a design maximum incidental pressure of 200 mbarOnly fitted downstream of the emergency control valveThat utilizes a primary meter regulator downstream of the emergency control valveWhere the operating pressure at the outlet of the meter is nominally 21 mbar.This part of BS 6400 supersedes BS 6400-1:2002, which is withdrawn.Also available:BS 8499:2009 Specification for domestic gas meter boxes and meter bracket   
Cross References:BS 21; BS 476-7:1997; BS 746:2005; BS 6891:2005; BS 7671; BS EN 1359; BS EN ISO 10380; BS EN 60079-10:2003; DD ENV 14236; DTI Gas Suppliers Licence. Standard Conditions:2001; IGEM IGE/UP/1B:2006; IGEM PRS 3/E:2004; IGEM PRS 6/E:2004; BS 1553-1; BS 4161-3  
Catalog:Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Planning and exchange of information
5 Competency
6 Design
7 Gas transporter appraisal of primary meter installations
8 Fitting a meter installation
9 Gas tightness testing and purging
10 Commissioning of the meter installation
11 Notices
12 Meter exchange and/or replacement of other gas fitting
13 Meter relocation
14 Meter removal
15 Records
16 Post installation checks
Annexes:
Annex A (normative) Sizing of meters
Bibliography  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  703KB
Tile in English:  Specification for installation, exchange, relocation and removal of gas meters with a maximum capacity not exceeding 6 m3/h - Low pressure (2nd family gases)

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