• AS 4032.1-2005

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    Water supply - Valves for the control of heated water supply temperatures Thermostatic mixing valves - Materials design and performance requirements

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English

    Published date:  01-28-2005

    Publisher:  Standards Australia

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

    1 - AS 4032.1-2005 WATER SUPPLY-VALVES FOR THE CONTROL OF HEATED WATER SUPPLY TEMPERATURES - THERMOSTATIC MIXING VALVES-...
    4 - PREFACE
    5 - CONTENTS
    7 - SECTION 1 SCOPE AND GENERAL
    7 - 1.1 SCOPE
    7 - 1.2 APPLICATION
    7 - 1.3 REFERENCED DOCUMENTS
    7 - 1.4 DEFINITIONS
    8 - 1.4.1 Cyclic actuator
    8 - 1.4.2 Dynamic pressure ratio.
    8 - 1.4.3 Special tools
    8 - 1.4.4 Temperature control
    8 - 1.4.5 Thermal shut-off (sudden failure of the cold or hot water supply)
    8 - 1.4.6 Thermostatic mixing valve (TMV)
    8 - 1.4.7 Water volume control
    8 - 1.5 DESIGNATION
    8 - 1.6 PRODUCT DATA
    9 - 1.7 MARKING
    10 - 1.8 INSTRUCTIONS
    11 - SECTION 2 MATERIALS
    11 - 2.1 SCOPE OF SECTION
    11 - 2.2 CORROSION-RESISTANT METALLIC MATERIALS
    11 - 2.3 COPPER
    11 - 2.4 COPPER ALLOY
    11 - 2.5 DEZINCIFICATION-RESISTANT (DR) COPPER ALLOY
    11 - 2.6 STAINLESS STEEL
    12 - 2.7 PLASTICS MATERIALS
    12 - 2.7.1 General
    12 - 2.7.2 Acetal
    12 - 2.7.3 UV Resistance
    12 - 2.8 OTHER COMPONENT MATERIALS
    13 - SECTION 3 DESIGN AND MANUFACTURE
    13 - 3.1 GENERAL
    13 - 3.2 END CONNECTORS
    13 - 3.3 LIMITATION OF TEMPERATURE ADJUSTMENT
    13 - 3.4 ELECTRONIC VALVES
    13 - 3.4.1 Electrical safety
    13 - 3.4.2 Electromagnetic compatibility
    13 - 3.5 CROSS-FLOW PREVENTION DEVICES AND STRAINERS
    14 - 3.6 ISOLATING VALVES
    14 - 3.7 TMV WITH INTEGRAL OUTLET TAPS
    15 - SECTION 4 PERFORMANCE REQUIREMENTS
    15 - 4.1 GENERAL
    15 - 4.2 PRODUCTS IN CONTACT WITH DRINKING WATER
    15 - 4.3 TORQUE TESTS
    15 - 4.4 WATERTIGHTNESS AT AMBIENT TEMPERATURE
    15 - 4.5 THERMAL SHUT-OFF
    15 - 4.5.1 General
    15 - 4.5.2 Cold water isolation
    15 - 4.5.3 Hot water isolation
    16 - 4.5.4 Electronic valves-Power failure
    16 - 4.6 SENSITIVITY OF TEMPERATURE ADJUSTMENT
    16 - 4.7 MIXED WATER TEMPERATURE OVERSHOOT ON STARTING FROM AMBIENT
    16 - 4.8 TEMPERATURE STABILITY OF MIXED WATER
    17 - 4.9 WATERTIGHTNESS AT OPERATING TEMPERATURE
    17 - 4.10 ENDURANCE OF CONTROL SYSTEM AND OPERATING MECHANISM
    17 - 4.11 SEQUENCE
    19 - APPENDIX A - MEANS FOR DEMONSTRATING COMPLIANCE WITH THIS STANDARD
    19 - A1 SCOPE
    19 - A2 PRODUCT CERTIFICATION
    19 - A3 TESTING
    19 - A3.1 General
    19 - A3.2 Inspection and test schedule
    19 - A3.3 Re-testing
    20 - A3.4 Rejection after retest
    20 - A3.5 Thermostatic element/sensor and operating mechanism
    20 - A3.6 Isolating valves, cross-flow prevention devices and control valves
    20 - A3.7 Type testing
    21 - A4 Batch testing
    23 - APPENDIX B - LIST OF REFERENCED DOCUMENTS
    25 - APPENDIX C - INSTALLATION, COMMISSIONING, FIELD TESING AND MAINTENANCE INSTRUCTIONS
    25 - C1 INSTRUCTIONS
    25 - C2 INSTALLATION INSTRUCTIONS
    26 - C3 COMMISSIONING INSTRUCTIONS
    26 - C4 FIELD TESTING
    26 - C5 MAINTENANCE INSTRUCTIONS
    27 - APPENDIX D - TEMPERATURE STOP/OVERRIDE CONTROL TORQUE TEST
    27 - D1 SCOPE
    27 - D2 PRINCIPLE
    27 - D3 APPARATUS
    27 - D4 PROCEDURE
    28 - D5 REPORT
    29 - APPENDIX E - WATERTIGHTNESS TEST
    29 - E1 SCOPE
    29 - E2 PRINCIPLE
    29 - E3 APPARATUS
    29 - E4 PROCEDURE
    29 - E4.1 General
    29 - E4.2 Ambient temperature hydrostatic test
    30 - E4.3 Operating temperature hydrostatic test
    30 - E5 REPORT
    32 - APPENDIX F - THERMAL SHUT-OFF TEST FOR COLD WATER AND HOT WATER ISOLATION
    32 - F1 SCOPE
    32 - F2 PRINCIPLE
    32 - F3 APPARATUS
    32 - F4 PROCEDURE
    32 - F4.1 Test conditions
    33 - F4.2 Test set-up
    33 - F4.3 Cold water isolation test
    33 - F4.4 Hot water isolation test
    34 - F4.5 Power failure test (electronic valves)
    34 - F5 Report
    38 - APPENDIX G - SENSITIVITY OF TEMPERATURE ADJUSTMENT TEST
    38 - G1 SCOPE
    38 - G2 PRINCIPLE
    38 - G3 APPARATUS
    38 - G4 PROCEDURE
    39 - G5 REPORT
    40 - APPENDIX H - MIXED WATER TEMPERATURE OVERSHOOTING ON STARTING FROM AMBIENT
    40 - H1 SCOPE
    40 - H2 PRINCIPLE
    40 - H3 APPARATUS
    40 - H4 PROCEDURE
    40 - H4.1 Test conditions
    41 - H4.2 Test
    41 - H5 Report
    45 - APPENDIX I - TEMPERATURE STABILITY OF MIXED WATER TEST
    45 - I1 SCOPE
    45 - I2 PRINCIPLE
    45 - I3 APPARATUS
    45 - I4 PROCEDURE
    45 - I4.1 General
    46 - I4.2 Test
    46 - I4.3 Pressure drop test (concurrent with Paragraph I4.2 and Figure I1)
    46 - I4.4 Temperature variation test (concurrent with Paragraph I4.2 and Table I2)
    47 - I4.5 Alternate temperature settings.
    47 - I5 REPORT
    50 - APPENDIX J - ENDURANCE TESTING OF THERMOSTATIC ELEMENT/SENSOR AND OPERATING MECHANISM TEST
    50 - J1 SCOPE
    50 - J2 PRINCIPLE
    50 - J3 APPARATUS
    50 - J4 PROCEDURE
    52 - J5 REPORT
    53 - APPENDIX K - APPARATUS FOR TEST RIGS
    53 - K1 SCOPE
    53 - K2 WATER SUPPLY
    53 - K3 FLOW-MEASURING DEVICES
    53 - K4 PRESSURE-MEASURING DEVICES
    53 - K5 TEMPERATURE-MEASURING AND RECORDING DEVICES
    53 - K6 TORQUE APPLICATOR
    53 - K7 PROTRACTOR
    54 - K8 MEASURING CONTAINER
    55 - APPENDIX L - PIPEWORK FOR TEST RIGS
    55 - L1 SCOPE
    55 - L2 PIPEWORK DIMENSIONS
    55 - L3 THERMAL INSULATION
    55 - L4 PRESSURE TAKE-OFF TEES
    55 - L5 TEMPERATURE TAKE-OFF POINTS
    55 - L6 INLET ADAPTORS AND CONNECTORS
    55 - L7 OUTLET ADAPTOR
    56 - APPENDIX M - TYPICAL TEST RIG FOR PERFORMANCE TESTS

    Abstract - (Show below) - (Hide below)

    Specifies requirements for the design, construction, testing performance and means of compliance for metallic-bodied thermostatic mixing valves.

    Scope - (Show below) - (Hide below)

    This Standard specifies requirements for the design, construction, testing performance and means of compliance for metallic-bodied thermostatic mixing valvesof nominal sizes not larger than DN50;for use with hot water at a supply temperature not exceeding 90C; andfor use with hot and cold water with working pressures not exceeding 1400kPa.When used for ablutionary purposes, thermostatic mixing valves complying with this Standard provide the user with reasonable protection against scalding or excessive temperature fluctuations due to variations of pressures and temperatures of the hot and cold water supplies, including shut-off of either the cold or hot water supply.Diagrams in this Standard are typical and chosen without prejudice.Thermostatic mixing valves require routine maintenance and performance testing in accordance with AS4032.3.

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

    Committee WS-026
    Document Type Standard
    Product Note Pending Revision indicates that as a result of the Aged Standards review process, the document needs updating. If no project proposal, meeting the quality criteria, is received within the 12 month timeframe, the document shall be withdrawn.
    Publisher Standards Australia
    Status Current
    Supersedes

    History - (Show below) - (Hide below)

    First published as AS 4032-1992.Second edition 1995.Third eidition 1998.Revised and redesignated as AS 4032.1-2002.Revised and redesignated as AS4032.1-2005. Originated as AS 4032-1992. Previous edition AS 4032-2002. Revised and redesignated as AS 4032.1-2005. Originated as AS 4032-1992. Previous edition AS 4032.1-2002. Revised and redesignated as AS 4032.1-2005.

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

    AS 1199.4-2003 Sampling procedures for inspection by attributes Procedures for assessment of declared quality levels
    AS 1565-1996 Copper and copper alloys - Ingots and castings (Reconfirmed 2020)
    AS 1199.1-2003 Sampling procedures for inspection by attributes Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
    AS 4032.3-2004 Water supply - Valves for the control of heated water supply temperatures Requirements for field-testing, maintenance or replacement of thermostatic mixing valves, tempering valves and end-of-line temperature control devices
    AS 1199.0-2003 Sampling procedures for inspection by attributes Introduction to the ISO 2859 attribute sampling system
    AS 2837-1986 Wrought alloy steels - Stainless steel bars and semi-finished products
    AS 1199.3-2003 Sampling procedures for inspection by attributes Skip-lot sampling procedures (Reconfirmed 2016)
    AS 3688-1994 Water supply - Copper and copper alloy body compression and capillary fittings and threaded-end connectors
    AS/NZS 1567:1997 Copper and copper alloys - Wrought rods, bars and sections (Reconfirmed 2021)
    AS 2738-2000 Copper and copper alloys - Compositions and designations of refinery products, wrought products, ingots and castings (Reconfirmed 2018)
    AS 3558.5-1999 Methods of testing plastics and composite materials sanitary plumbing fixtures Determination of degradation by ultraviolet light
    AS 1881-1986 ZINC ALLOYS - CASTING INGOTS AND CASTINGS - QUALITY REQUIREMENTS (Reconfirmed 2018)
    HB 18.28-1991 Guidelines for third-party certification and accreditation - Guide 28: General rules for a model third-party certification system for products
    AS 1199.2-2003 Sampling procedures for inspection by attributes Sampling plans indexed by limiting quality (LQ) for isolated lot inspection (Reconfirmed 2016)
    AS/NZS 3499:1997 Flexible tube connectors for water supply
    AS/NZS 1568:1998 Copper and copper alloys - Forging stock and forgings
    AS 1432-2004 Copper tubes for plumbing, gasfitting and drainage applications
    AS 2345-1992 Dezincification resistance of copper alloys
    AS/NZS 3500.0:2003 Plumbing and drainage Glossary of terms
    AS 4032.1-2002 Water supply - Valves for the control of hot water supply temperatures Thermostatic mixing valves - Materials design and performance requirements
    AS/NZS 4020:2002 Testing of products for use in contact with drinking water
    AS 1572-1998 Copper and copper alloys - Seamless tubes for engineering purposes (Reconfirmed 2018)
    AS 2831-1985 Thermometers - Solid stem - Long and short - For precision use
    AS 1167.1-1993 Welding and brazing - Filler metals - Filler metal for brazing and braze welding
    AS 1449-1994 Wrought alloy steels - Stainless and heat-resisting steel plate, sheet and strip
    AS/NZS 3000:2000 Electrical installations (known as the Australian/New Zealand Wiring Rules)
    AS 1769-1975 Welded stainless steel tubes for plumbing applications (Reconfirmed 2018)
    AS 1834.1-1991 Material for soldering Solder alloys (Reconfirmed 2018)

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

    AS/NZS 3500.4:2015 Plumbing and drainage Heated water services
    AS 5200.000-2006 Technical specification for plumbing and drainage products Procedures for certification of plumbing and drainage products (Reconfirmed 2018)
    AS/NZS 3500.5:2012 Plumbing and drainage Housing installations
    AS 4032.2-2005 Water supply - Valves for the control of hot water supply temperatures Tempering valves and end-of-line temperature-actuated devices (Reconfirmed 2015)
    AS/NZS 3500.4:2003 Plumbing and drainage Heated water services
    MP 52-2005 Manual of authorization procedures for plumbing and drainage products
    AS 5200.000-2005 Technical specification for plumbing and drainage products Procedures for certification of plumbing and drainage products
    AS 4032.4:2014 Water supply - Valves for the control of heated water supply temperatures Thermostatically controlled taps for the control of heated water supply temperatures
    AS/NZS 3500.4:2018 Plumbing and drainage Heated water services
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