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

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English

Published date

28-01-2005

Publisher

Standards Australia

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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

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

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.

Committee	WS-026
DocumentType	Standard
ISBN	0 7337 6454 1
Pages	52
ProductNote	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.
PublisherName	Standards Australia
Status	Current
Supersedes	AS 4032.1-2002 DR 03576

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.

AS 1199.4-2003	Sampling procedures for inspection by attributes Procedures for assessment of declared quality levels (Reconfirmed 2016)
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 3688-1994	Water supply - Copper and copper alloy body compression and capillary fittings and threaded-end connectors
AS 3558.5-1999	Methods of testing plastics and composite materials sanitary plumbing fixtures Determination of degradation by ultraviolet light (Reconfirmed 2016)
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 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)
AS 1199.3-2003	Sampling procedures for inspection by attributes Skip-lot sampling procedures (Reconfirmed 2016)
AS 2738-2000	Copper and copper alloys - Compositions and designations of refinery products, wrought products, ingots and castings (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 1567:1997	Copper and copper alloys - Wrought rods, bars and sections (Reconfirmed 2021)
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 (Reconfirmed 2016)
AS 1199.0-2003	Sampling procedures for inspection by attributes Introduction to the ISO 2859 attribute sampling system (Reconfirmed 2016)
AS 2837-1986	Wrought alloy steels - Stainless steel bars and semi-finished products
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/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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AS 4032.1-2005

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