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AS 4032.1:2024
[Current]Water supply - Valves for the control of heated water supply temperatures, Part 1: Thermostatic mixing valves - Materials design and performance requirements
AS 40321.1:2024 specifies requirements for the design, construction, testing and performance of thermostatic mixing valves.
Published: 01/11/2024
Pages: 50
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
1.4 Designation
1.5 Product data
1.6 Marking
1.7 Instructions
2 Materials
2.1 Scope of section
2.2 Corrosion-resistant metallic materials
2.3 Copper
2.4 Copper alloy
2.5 Dezincification-resistant (DR) copper alloy
2.6 Stainless steel
2.7 Plastics materials
2.7.1 General
2.7.2 Acetal
2.7.3 UV resistance
2.7.4 Plastics-bodied valves
2.8 Other component materials
3 Design and manufacture
3.1 General
3.2 End connectors
3.3 Limitation of temperature adjustment
3.4 Electronic valves
3.5 Cross-flow prevention devices and strainers
3.6 Isolating valves
3.7 TMV with integral outlet taps
4 Performance requirements
4.1 General
4.2 Products in contact with drinking water
4.3 Torque tests
4.4 Watertightness at ambient temperature
4.5 Thermal shut-off
4.5.1 General
4.5.2 Cold water isolation
4.5.3 Hot water isolation
4.5.4 Electronic valves — Power failure
4.6 Sensitivity of temperature adjustment
4.7 Mixed water temperature overshoot on starting from ambient
4.8 Temperature stability of mixed water
4.9 Watertightness at operating temperature
4.10 Endurance of control system and operating mechanism
4.11 Sequence
4.12 Plastics material used for plastics-bodied valves
Appendix A
A.1 Scope
A.2 Evaluation of product conformity
A.3 Testing
A.3.1 General
A.3.2 Inspection and test schedule
A.3.3 Re-testing
A.3.4 Rejection after retest
A.3.5 Thermostatic element/sensor and operating mechanism
A.3.6 Isolating valves, cross-flow prevention devices and control valves
A.4 Type testing
A.4.1 General
A.4.2 Integral components
A.5 Batch testing
Appendix B
B.1 Instructions
B.2 Installation instructions
B.3 Commissioning instructions
B.4 Field testing
B.5 Maintenance instructions
Appendix C
C.1 Scope
C.2 Principle
C.3 Apparatus
C.4 Procedure
C.5 Report
Appendix D
D.1 Scope
D.2 Principle
D.3 Apparatus
D.4 Procedure
D.4.1 General
D.4.2 Ambient temperature hydrostatic test
D.4.3 Operating temperature hydrostatic test
D.5 Report
Appendix E
E.1 Scope
E.2 Principle
E.3 Apparatus
E.4 Procedure
E.4.1 Test conditions
E.4.2 Test set-up
E.4.3 Cold water isolation test
E.4.4 Hot water isolation test
E.4.5 Power failure test (electronic valves)
E.5 Report
Appendix F
F.1 Scope
F.2 Principle
F.3 Apparatus
F.4 Procedure
F.5 Report
Appendix G
G.1 Scope
G.2 Principle
G.3 Apparatus
G.4 Procedure
G.4.1 Test conditions
G.4.2 Test
G.5 Report
Appendix H
H.1 Scope
H.2 Principle
H.3 Apparatus
H.4 Procedure
H.4.1 General
H.4.2 Test
H.4.3 Pressure drop test (concurrent with Clause H.4.2 and Table H.1)
H.4.4 Temperature variation test (concurrent with Clause H.4.2 and Table H.2)
H.4.5 Alternate temperature settings
H.5 Report
Appendix I
I.1 Scope
I.2 Principle
I.3 Apparatus
I.4 Procedure
I.5 Report
Appendix J
J.1 Scope
J.2 Composition
J.2.1 Reprocessable material
J.2.2 Plastics-moulded material test
J.2.3 Plastics-bodied valve test
J.2.4 Opacity test
J.2.5 Freedom from defects
J.3 Performance requirements for joints
J.3.1 General
J.3.2 Hydrostatic pressure test for assembled joints
J.3.3 Liquid infiltration test
J.3.4 Leak tightness under pressure when subjected to bending
Appendix K
K.1 Scope
K.2 Water supply
K.3 Flow measuring devices
K.4 Pressure-measuring devices
K.5 Temperature-measuring and recording devices
K.6 Torque applicator
K.7 Protractor
K.8 Measuring container
Appendix L
L.1 Scope
L.2 Pipework dimensions
L.3 Thermal insulation
L.4 Pressure take-off tees
L.5 Temperature take-off points
L.6 Inlet adaptors and connectors
L.7 Outlet adaptor
Appendix M
Bibliography
Cited references in this standard
AS 1199 (all parts)
Sampling procedures for inspection by attributes
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