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  • BS 1212-4:1991

    View superseded by
    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Float operated valves Specification for compact type float operated valves for WC flushing cisterns (including floats)

    Available format(s):  Hardcopy, PDF

    Superseded date:  29-02-2016

    Language(s):  English

    Published date:  31-10-1991

    Publisher:  British Standards Institution

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

    Committees responsible
    Foreword
    Section 1. General
    1 Scope
    2 Definitions
    3 Designation for ordering purposes
    4 Marking
    Section 2. Materials
    5 General
    6 Effect of materials on water quality
    7 Plastics
    8 Metals
    9 Workmanship
    Section 3. Design, construction and dimensions
    10 General dimensional requirements
    11 Inlet connections
    12 Backnuts
    13 Float adjustment
    14 Discharge arrangements
    Section 4. Performance
    15 Inlet shank and backnuts distortion
    16 Hydraulic pressure
    17 Backflow
    18 Flow
    19 Endurance
    20 Float
    Appendix A - Distortion test for backnuts and inlet shanks
    Appendix B - Shut-off pressure and lever deflection test
    Appendix C - Dynamic pressure test
    Appendix D - Method of test for backflow prevention
    Appendix E - Flow test
    Appendix F - Endurance test
    Appendix G - Cold embrittlement test
    Publication(s) referred to

    Abstract - (Show below) - (Hide below)

    Requirements for nominal size ½ compact float operated valves, of reducing flow type incorporating a float and renewable seat or no less effective assembly for use at operation pressures between 0.1 and 14 bar.

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

    Committee B/504
    Development Note Supersedes 88/14188 DC. (06/2005) Reviewed and confirmed by BSI, March 2013. (03/2013)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    DIN EN 997:2015-09 WC PANS AND WC SUITES WITH INTEGRAL TRAP
    DIN EN 14055:2015-09 WC AND URINAL FLUSHING CISTERNS
    BS 6465-3:2006 Sanitary installations Code of practice for the selection, installation and maintenance of sanitary and associated appliances
    BS EN 997 : 2012 WC PANS AND WC SUITES WITH INTEGRAL TRAP
    BS 1125:1987 Specification for WC flushing cisterns (including dual flush cisterns and flush pipes)
    BS 6700(2006) : 2006 DESIGN, INSTALLATION, TESTING AND MAINTENANCE OF SERVICES SUPPLYING WATER FOR DOMESTIC USE WITHIN BUILDINGS AND THEIR CURTILAGES - SPECIFICATION
    BS EN 14055 : 2010 WC AND URINAL FLUSHING CISTERNS
    17/30357395 DC : DRAFT SEP 2017 BS EN 14055 - WC AND URINAL FLUSHING CISTERNS
    BS 5503-3:1990 Vitreous china washdown WC pans with horizontal outlet Specification for WC pans with horizontal outlet for use with 7.5 L maximum flush capacity cisterns
    EN 997:2012+A1:2015 WC pans and WC suites with integral trap
    07/30164234 DC : 0 BS EN 14055 - WC AND URINAL FLUSHING CISTERNS
    UNE-EN 997:2013 WC pans and WC suites with integral trap
    PREN 14055 : DRAFT 2017 WC AND URINAL FLUSHING CISTERNS
    I.S. EN 997:2012 WC PANS AND WC SUITES WITH INTEGRAL TRAP
    EN 14055:2010+A1:2015 WC and urinal flushing cisterns
    BS 5504-4:1990 Wall hung WC pan Specification for wall hung WC pans for use with 7.5 L maximum flush capacity cisterns
    10/30215042 DC : 0 BS EN 997 - WC PANS AND WC SUITES WITH INTEGRAL TRAP
    I.S. EN 14055:2010 WC AND URINAL FLUSHING CISTERNS
    UNE-EN 14055:2011 WC and urinal flushing cisterns

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

    BS 4118:1981 Glossary of sanitation terms
    BS 2871-1:1971 Specification for copper and copper alloys. Tubes Copper tubes for water, gas and sanitation
    BS 6100-2.7(1988) : 1988 GLOSSARY OF BUILDING AND CIVIL ENGINEERING TERMS - CIVIL ENGINEERING - PUBLIC HEALTH. ENVIRONMENTAL ENGINEERING
    BS 970-4:1970 Specification for wrought steels for mechanical and allied engineering purposes Valve steels
    BS 6100-3.3(1991) : 1991 GLOSSARY OF BUILDING AND CIVIL ENGINEERING TERMS - SERVICES - SANITATION
    BS 2873:1969 Specification for copper and copper alloys. Wire
    BS 4608:1970 Specification for copper for electrical purposes. Rolled sheet, strip and foil
    BS 4605(1970) : LATEST PRESENTATION OF LIBRARY DIRECTORIES
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