• BS 7461:1991

    Current The latest, up-to-date edition.

    Specification for electrically operated automatic gas shut-off valves fitted with throughput adjusters, proof of closure switches, closed position indicator switches or gas flow control

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  30-09-1991

    Publisher:  British Standards Institution

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

    Committees responsible
    Foreword
    Specification
    1 Scope
    2 Definitions
    3 Valves fitted with throughput adjusters
    4 Valves fitted with proof of closure switches
    5 Valves fitted with closed position indicator switches
    6 Valves incorporating start-gas flow control and
       valves in which the flow rate may be varied
       electrically
    Appendices
    A Test for valves fitted with throughput adjusters
    B Test for valves fitted with proof of closure switches
    C Test for valves fitted with closed position
       indicators
    D Tests for valves incorporating start-gas flow control
       and in which the flow rate may be varied

    Abstract - (Show below) - (Hide below)

    Additional requirements and test methods. Supplements BS EN 161.

    Scope - (Show below) - (Hide below)

    This standard specifies the requirements and test methods for throughput adjusters, proof of closure switches, closed position indicator switches, start-gas flow control and electrical variation of flow rate when fitted to electrically operated automatic gas shut-off valves which themselves fall within the scope of BS EN 161.

    NOTE The titles of the publications referred to in this standard are listed on the inside back cover.

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

    Committee GSE/22
    Development Note Together with BS EN 161 supersedes BS 5963(1981) Supersedes 91/75437 DC (09/2003) Reviewed and confirmed by BSI, December 2011. (11/2011)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    04/30089331 DC : DRAFT JUL 2004 BS 8446 - SPECIFICATION FOR THE INSTALLATION OF FLUED, NON-DOMESTIC LAUNDRY GAS-FIRED LAUNDRY APPLIANCES
    07/30150793 DC : 0 BS 5440-1 - FUELING AND VENTILATION FOR GAS APPLIANCES OF RATED INPUT NOT EXCEEDING 70 KW NET (1ST, 2ND AND 3RD FAMILY GASES) - PART 1: SPECIFICATION FOR INSTALLATION OF GAS APPLIANCES TO CHIMNEYS AND FOR MAINTENANCE OF CHIMNEYS
    BS 8446:2005 Specification for the installation and maintenance of open-flued, non-domestic gas-fired laundry appliances
    BS 6173:2009 Specification for installation and maintenance of gas-fired catering appliances for use in all types of catering establishments (2nd and 3rd family gases)
    BS 5440-1:2000 Installation and maintenance of flues and ventilation for gas appliances of rated heat input not exceeding 70 kW net (1st, 2nd and 3rd family gases) Specification for installation and maintenance of flues
    BS 5440-1:2008 Flueing and ventilation for gas appliances of rated input not exceeding 70 kW net (1st, 2nd and 3rd family gases) Specification for installation of gas appliances to chimneys and for maintenance of chimneys
    08/30177380 DC : 0 BS 6173 - INSTALLATION AND MAINTENANCE OF GAS-FIRED CATERING APPLIANCES FOR USE IN ALL TYPES OF CATERING ESTABLISHMENTS (2ND AND 3RD FAMILY GASES)
    BS 6173:2001 Specification for installation of gas-fired catering appliances for use in all types of catering establishments (2nd and 3rd family gases)

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

    BS EN 161 : 2011 AUTOMATIC SHUT-OFF VALVES FOR GAS BURNERS AND GAS APPLIANCES
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